Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1992 Saturn SL L4-1.9L SOHC VIN 9FACTORY OEM SERVICE PROCEDURE
Repair and Diagnosis
- A L L Diagnostic Trouble Codes ( DTC )
- Relays and Modules
- Relays and Modules - Accessories and Optional Equipment
- Relays and Modules - Body and Frame
- Relays and Modules - Brakes and Traction Control
- Relays and Modules - Cooling System
- Relays and Modules - Cruise Control
- Relays and Modules - HVAC
- Relays and Modules - Instrument Panel
- Relays and Modules - Lighting and Horns
- Relays and Modules - Powertrain Management
- Relays and Modules - Restraints and Safety Systems
- Relays and Modules - Steering and Suspension
- Relays and Modules - Transmission and Drivetrain
- Relays and Modules - Windows and Glass
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches
- Sensors and Switches - Accessories and Optional Equipment
- Sensors and Switches - Body and Frame
- Sensors and Switches - Brakes and Traction Control
- Sensors and Switches - Cooling System
- Sensors and Switches - Cruise Control
- Sensors and Switches - Engine
- Sensors and Switches - HVAC
- Sensors and Switches - Instrument Panel
- Sensors and Switches - Lighting and Horns
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Computers and Control Systems
- Camshaft Position Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Knock Sensor
- Manifold Pressure/Vacuum Sensor
- Oil Pressure Sensor
- Oxygen Sensor
- Power Steering Pressure Switch
- Throttle Body Temperature Sensor
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Sensors and Switches - Fuel Delivery and Air Induction
- Sensors and Switches - Ignition System
- Sensors and Switches - Computers and Control Systems
- Sensors and Switches - Restraints and Safety Systems
- Sensors and Switches - Starting and Charging
- Sensors and Switches - Steering and Suspension
- Sensors and Switches - Transmission and Drivetrain
- Sensors and Switches - Windows and Glass
- Sensors and Switches - Wiper and Washer Systems
- Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Drive Belt
- Filters
- Hoses
- Fluids
- Brake Bleeding
- Air Bag(s) Arming and Disarming
- Fuses and Circuit Breakers
- Service Reminder Indicators
- Wheels and Tires
- Towing Information
- Application and ID
- Service Intervals
- Severe Service Defined
- Routine Service
- Normal Service
- 6000 MI or 9600 KM
- 12000 MI or 19200 KM
- 18000 MI or 28800 KM
- 24000 MI or 38400 KM
- 30000 MI or 48000 KM
- 36000 MI or 57600 KM
- 42000 MI or 67200 KM
- 48000 MI or 76800 KM
- 54000 MI or 86400 KM
- 60000 MI or 96000 KM
- 66000 MI or 105600 KM
- 72000 MI or 115200 KM
- 78000 MI or 124800 KM
- 84000 MI or 134400 KM
- 90000 MI or 144000 KM
- 96000 MI or 153600 KM
- 102000 MI or 163200 KM
- 108000 MI or 172800 KM
- 114000 MI or 182400 KM
- 120000 MI or 192000 KM
- Severe Service
- 3000 MI or 4800 KM
- 6000 MI or 9600 KM
- 9000 MI or 14400 KM
- 12000 MI or 19200 KM
- 15000 MI or 24000 KM
- 18000 MI or 28800 KM
- 21000 MI or 33600 KM
- 24000 MI or 38400 KM
- 27000 MI or 43200 KM
- 30000 MI or 48000 KM
- 33000 MI or 52800 KM
- 36000 MI or 57600 KM
- 39000 MI or 62400 KM
- 42000 MI or 67200 KM
- 45000 MI or 72000 KM
- 48000 MI or 76800 KM
- 51000 MI or 81600 KM
- 54000 MI or 86400 KM
- 57000 MI or 91200 KM
- 60000 MI or 96000 KM
- 63000 MI or 100800 KM
- 66000 MI or 105600 KM
- 69000 MI or 110400 KM
- 72000 MI or 115200 KM
- 75000 MI or 120000 KM
- 78000 MI or 124800 KM
- 81000 MI or 129600 KM
- 84000 MI or 134400 KM
- 87000 MI or 139200 KM
- 90000 MI or 144000 KM
- 93000 MI or 148800 KM
- 96000 MI or 153600 KM
- 99000 MI or 158400 KM
- 102000 MI or 163200 KM
- 105000 MI or 168000 KM
- 108000 MI or 172800 KM
- 111000 MI or 177600 KM
- 114000 MI or 182400 KM
- 117000 MI or 187200 KM
- 120000 MI or 192000 KM
Service and Repair
Specifications
Technical Service Bulletins
- Engine, Cooling and Exhaust
- Engine
- Compression Check
- Camshaft, Lifters and Push Rods
- Cylinder Block Assembly
- Cylinder Head Assembly
- Drive Belts, Mounts, Brackets and Accessories
- Engine Lubrication
- Intake Manifold
- Lamps and Indicators - Engine
- Seals and Gaskets
- Sensors and Switches - Engine
- Timing Components
- Tune-up and Engine Performance Checks
- Water Pump
Testing and Inspection- Service and Repair
- Specifications
- Technical Service Bulletins
- Cooling System
- Coolant
- Coolant Level Indicator Lamp
- Coolant Level Sensor
- Radiator Cooling Fan
- Engine - Coolant Temperature Sensor/Switch
- Heater Core
- Lamps and Indicators - Cooling System
- Radiator
- Radiator Cap
- Radiator Hose
- Relays and Modules - Cooling System
- Sensors and Switches - Cooling System
- Temperature Gauge
- Temperature Warning Lamp/Indicator
- Thermostat
- Water Pump
- Testing and Inspection
- Service and Repair
Diagrams- Specifications
- Technical Service Bulletins
- Exhaust System
- Technical Service Bulletins
- Engine
- Powertrain Management
- Relays and Modules - Powertrain Management
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Computers and Control Systems
- Camshaft Position Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Knock Sensor
- Manifold Pressure/Vacuum Sensor
- Oil Pressure Sensor
- Oxygen Sensor
- Power Steering Pressure Switch
- Throttle Body Temperature Sensor
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Sensors and Switches - Fuel Delivery and Air Induction
- Sensors and Switches - Ignition System
- Sensors and Switches - Computers and Control Systems
- Tune-up and Engine Performance Checks
- Computers and Control Systems
- A/C Signal
- Air Temperature Sensor ( Ambient / Intake )
- Camshaft Position Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Data Link Connector
- Engine Control Module
- Idle Speed/Throttle Actuator - Electronic
- Information Bus
- Knock Sensor
- Malfunction Indicator Lamp
- Manifold Pressure/Vacuum Sensor
- Oil Pressure Sensor
- Output Driver
- Oxygen Sensor
- Power Steering Pressure Switch
- Relays and Modules - Computers and Control Systems
- Sensors and Switches - Computers and Control Systems
- Camshaft Position Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Knock Sensor
- Manifold Pressure/Vacuum Sensor
- Oil Pressure Sensor
- Oxygen Sensor
- Power Steering Pressure Switch
- Throttle Body Temperature Sensor
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Shift Light
- Throttle Body Temperature Sensor
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Voltage Signal
Description and Operation- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- - A-E Charts & Related Test Procedures
- - Complaint/Condition Chart - Air Induction / Lubrication Systems
- - Complaint/Condition Chart - Cooling System
- - Complaint/Condition Chart - Electronic Ignition (EI) System
- - Complaint/Condition Chart - Emissions
- - Complaint/Condition Chart - Engine Mechanical
- - Complaint/Condition Chart - Fuel, Exhaust, and Emission Systems
- - Complaint/Condition Chart - PCM Trouble Code Symptoms
- - Diagnosis By Symptom
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Adjustments
Locations- Diagrams
- Specifications
- Technical Service Bulletins
Tools and Equipment- Field Fixes
- Emission Control Systems
- Fuel Delivery and Air Induction
- Fuel Pressure
- Fuel Pressure Release
- Idle Speed
- Accelerator Pedal
- Air Cleaner Housing
- Fillpipe Restrictor
- Fuel
- Fuel Filler Cap
- Fuel Filter
- Fuel Injector
- Fuel Pressure Regulator
- Fuel Pump
- Fuel Return Line
- Fuel Supply Line
- Fuel Tank
- Fuel Tank Unit
- Idle Speed/Throttle Actuator - Electronic
- Relays and Modules - Fuel Delivery and Air Induction
- Sensors and Switches - Fuel Delivery and Air Induction
- Throttle Body
- Throttle Cable/Linkage
- Throttle Position Sensor
- Turbocharger
Service Precautions- Description and Operation
- Adjustments
- Locations
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
- Ignition System
- Firing Order
- Ignition Timing
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Ignition Cable
- Ignition Coil
- Ignition Control Module
- Knock Sensor
- Relays and Modules - Ignition System
- Sensors and Switches - Ignition System
- Spark Plug
- Description and Operation
- Locations
- Service and Repair
- Specifications
- Technical Service Bulletins
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Service Precautions
- Application and ID
- Description and Operation
- Diagrams
- Technical Service Bulletins
- Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
- Automatic Transmission/Transaxle
- Actuators and Solenoids - A/T
- Bell Housing
- Case
- Channel Plate
- Clutch
- Control Module
- Differential
- Automatic Transmission Dipstick - Dipstick Tube
- Fluid - A/T
- Fluid Filter - A/T
- Fluid Line/Hose
- Fluid Pump
- Idler Gear
- Input Shaft
- Lamps and Indicators - A/T
- Output Shaft
- Parking Pawl
- Relays and Modules - A/T
- Sensors and Switches - A/T
- Shift Fork
- Shift Indicator - A/T
- Shift Interlock
- Shift Solenoid
- Shifter A/T
- Shift Linkage
- Stator Shaft
- Thrust Washer/Bearing
- Torque Converter
- Torque Converter Clutch Solenoid
- Transmission Control System Relay
- Transmission Cooler
- Transmission Mode Indicator - A/T
- Transmission Mode Switch
- Transmission Mount
- Transmission Position Sensor/Switch
- Transmission Speed Sensor
- Transmission Temperature Sensor/Switch
- Valve Body
- Wiring Harness
- Application and ID
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- Component Tests and General Diagnostics
- Actuator Apply Chart
- Actuator Electrical Operation Inspection
- Actuator Inspection
- Actuator Operation
- Actuators/TCC Quick Check
- Air Checking Procedures
- Brake Switch Diagnosis
- Brake Transaxle Shift Interlock (BTSI) Solenoid Test
- Brake Transaxle Shift Interlock (BTSI) System Performance Test
- Clutch Apply Chart
- Line Pressure Check
- Shift Mode Selector System Performance Test
- Stop Light Switch Adjustment Check
- Programming and Relearning
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Clutch
- Continuously Variable Transmission/Transaxle
- Differential Assembly
- Drive Axles, Bearings and Joints
- Flex Plate
- Flywheel
- Lamps and Indicators - Transmission and Drivetrain
- Manual Transmission/Transaxle
- Relays and Modules - Transmission and Drivetrain
- Sensors and Switches - Transmission and Drivetrain
- Transfer Case
- Transmission Control Systems
- Diagrams
- Specifications
- Technical Service Bulletins
- Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- ABS Light
- ABS Main Relay
- Brake Fluid Pump
- Brake Fluid Solenoid Valve Relay
- Electronic Brake Control Module
- Hydraulic Assembly
- Traction Control Switch
- Wheel Speed Sensor
- Description and Operation
- Testing and Inspection
- Locations
- Diagrams
- Technical Service Bulletins
- Tools and Equipment
- Brake Bleeding
- Brake Pedal Assy
- Brake Warning Indicator
- Disc Brake System
- Drum Brake System
- Hydraulic System
- Parking Brake System
- Power Brake Assist
- Relays and Modules - Brakes and Traction Control
- Sensors and Switches - Brakes and Traction Control
- Description and Operation
- Testing and Inspection
- Service and Repair
- Technical Service Bulletins
- Antilock Brakes / Traction Control Systems
- Starting and Charging
- Sensors and Switches - Starting and Charging
- Battery
- Charging System
- Starting System
- Power and Ground Distribution
- Testing and Inspection
- Locations
- Diagrams
- Technical Service Bulletins
- Tools and Equipment
- Power and Ground Distribution
- Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
- Sensors and Switches - Steering and Suspension
- Steering
- Suspension
- Ball Joint
- Control Arm
- Front Steering Knuckle
- Radius Arm
- Rear Knuckle
- Rear Knuckle Alignment Link
- Sensors and Switches - Suspension
- Stabilizer Bar
- Strut / Shock Tower
- Suspension Control ( Automatic - Electronic )
- Suspension Spring ( Coil / Leaf )
- Suspension Strut / Shock Absorber
- Trailing Arm
- Wheel Bearing
- Wheel Hub
- Testing and Inspection
- Adjustments
- Specifications
- Technical Service Bulletins
- Wheels and Tires
- Technical Service Bulletins
- Heating and Air Conditioning
- Accumulator HVAC
- Air Conditioning Switch
- Air Duct
- Blower Motor
- Blower Motor Relay
- Blower Motor Resistor
- Cabin Ventilation Grille
- Compressor HVAC
- Compressor Clutch Relay
- Condenser HVAC
- Control Assembly
- Control Module HVAC
- Evaporator Case
- Evaporator Core
- Evaporator Drain Tube
- Expansion Valve
- Heater Core
- Heater Core Case
- High Pressure Safety Valve HVAC
- Housing Assembly HVAC
- Receiver Dryer
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Relays and Modules - HVAC
- Sensors and Switches - HVAC
- Service Port HVAC
- Service Precautions
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Chart 1 Blower Motor Inoperative
- Chart 2 Blower Motor Operates At All Times In Hi Speed - Ignition ON or OFF
- Chart 3 Blower Motor Operates In Hi Speed When Blower Switch Is Activated
- Chart 4 Blower Motor Operates In Hi, But Not In One or More of the Other Speeds
- Chart 5 Blower Motor Operates In LO, Med & MED2, But Not In Hi
- Chart 6 No Outside Air Circulation
- Chart 7 No Inside Air Circulation
- Chart 8 A/C Compressor Does Not Operate
- Chart 9 A/C Compressor Operates All the Time
- Chart 10 A/C or Recirc Switch Indicator Lamps Do Not Light
- Component Tests and General Diagnostics
- Locations
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Restraints and Safety Systems
- Air Bag Systems
- Air Bag(s) Arming and Disarming
- Air Bag
- Air Bag Control Module
- Air Bag Deactivation Switch
- Air Bag Resistor
- Air Bag Safety Switch/Connector
- Clockspring Assembly / Spiral Cable
- Impact Sensor
- Seat Occupant Sensor
- Standby Power Supply
- Service Precautions
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
- Head Restraint System
- Relays and Modules - Restraints and Safety Systems
- Seat Belt Systems
- Air Bag(s) Arming and Disarming
- Child Restraint
- Seat Belt Buckle
- Seat Belt Buckle Switch
- Seat Belt Control Module
- Seat Belt Extension
- Seat Belt Guide Track
- Seat Belt Motor
- Seat Belt Reminder Lamp
- Seat Belt Retractor
- Description and Operation
- Testing and Inspection
- Locations
- Diagrams
- Technical Service Bulletins
- Sensors and Switches - Restraints and Safety Systems
- Technical Service Bulletins
- Air Bag Systems
- Accessories and Optional Equipment
- Antenna
- Antitheft and Alarm Systems
- Cellular Phone
- Radio, Stereo, and Compact Disc
- Compact Disc Player (CD)
- Radio/Stereo
- Remote Control
- Speaker
- Tape Player
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Component Tests and General Diagnostics
- Diagrams
- Technical Service Bulletins
- Relays and Modules - Accessories and Optional Equipment
- Relay Module
- Sensors and Switches - Accessories and Optional Equipment
- Towing / Trailer System
- Technical Service Bulletins
- Body and Frame
- Air Bag(s) Arming and Disarming
- Bumper
- Cabin Ventilation Grille
- Cowl
- Doors, Hood and Trunk
- Doors
- Front Door
- Front Door Handle
- Front Door Hinge
- Front Door Latch
- Front Door Panel
- Front Door Window Glass
- Front Door Window Regulator
- Service and Repair
- Rear Door
- Specifications
- Technical Service Bulletins
- Front Door
- Hood
- Trunk / Liftgate
- Technical Service Bulletins
- Doors
- Exterior Moulding / Trim
- Fender
- Firewall
- Frame
- Interior Moulding / Trim
- Locks
- Door Locks
- Key
- Keyless Entry
- Power Locks
- Power Door Lock Actuator
- Power Door Lock Control Module
- Power Door Lock Relay
- Power Door Lock Switch
- Description and Operation
- Testing and Inspection
- Locations
- Service and Repair
- Diagrams
- Technical Service Bulletins
- Technical Service Bulletins
- Mirrors
- Paint, Striping and Decals
- Relays and Modules - Body and Frame
- Roof and Associated Components
- Sunroof / Moonroof
- Seats
- Sensors and Switches - Body and Frame
- Strut / Shock Tower
- Unibody
- Weatherstrip
- Technical Service Bulletins
- Cruise Control
- Instrument Panel, Gauges and Warning Indicators
- ABS Light
- Audible Warning Device
- Audible Warning Device Control Module
- Brake Warning Indicator
- Charge Lamp/Indicator
- Cigarette Lighter
- Coolant Level Indicator Lamp
- Dashboard / Instrument Panel
- Dimmer Switch
- Door Switch
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
- Malfunction Indicator Lamp
- Odometer
- Oil Pressure Gauge
- Oil Pressure Warning Lamp/Indicator
- Parking Brake Warning Switch
- Relays and Modules - Instrument Panel
- Seat Belt Reminder Lamp
- Sensors and Switches - Instrument Panel
- Shift Indicator - A/T
- Speedometer Head
- Tachometer
- Temperature Gauge
- Temperature Sensor (Gauge)
- Temperature Warning Lamp/Indicator
- Tire Monitoring System
- Transmission Mode Indicator - A/T
- Transmission Shift Position Indicator Lamp
- Application and ID
- Description and Operation
- Antilock Brake System (ABS) Module
- Coolant Temperature Sensor (CTS)
- Distributorless Ignition System (DIS) Module
- Gauges
- Gauges and Indicators
- Generator/Voltage Regulator
- Headlamp Switch
- Illumination Lamps
- Instrument Cluster Interfaces
- Instrument Panel Cluster (IPC)
- Low Brake Fluid Switch
- Oil Pressure Gauge Sender/Switch (Up-Level Cluster)
- Oil Pressure Switch (Base Standard and Base Clusters)
- Park Brake Switch
- Passive Restraint Control Module (PRCM)
- Powertrain Control Module (PCM)
- Telltale Lamps
- Turn Signal Switch Assembly
- Testing and Inspection
- Symptom Related Diagnostic Procedures
- Component Tests and General Diagnostics
- Circuits
- Circuit 121, 121A
- Circuit 30A, 30 and 30B
- Circuit 803, 803A, 803B
- Circuit 135, 135A
- Circuit 31, 31A
- Circuit 1625, 1625A
- Circuit 419, 419A
- Circuit 39C, 39E
- Circuit 3A, 3B
- Circuit 139F
- Circuit 68, 68A
- Circuit 33, 33B, 33C, 33E
- Circuit 35, 35A
- Circuit 231, 231A, 231B
- Circuit 25, 25A
- Circuit 237A, 237
- Circuit 1622
- Circuit 238
- Circuit 1234, 1234A
- Circuit 456, 456A
- Circuit 1290
- Circuit 153S
- Circuit 11E
- Circuit 663
- Circuit 664
- Component Testing
- Headlamp Switch
- Turn Signal Lever
- Cluster
- Fuel Level Gage Sensor
- Coolant Temperature Gage Sensor
- Oil Pressure Switch/Sensor
- Oil Pressure Switch (Base Engine Vehicles Only)
- Low Brake Fluid Switch
- Park Brake Switch
- Low Coolant Level Switch
- Speedometer and Tachometer
- Fuel Gage
- Temperature Gage
- Oil Pressure Gage
- Telltale Lamp Functional Check
- Fuses
- Grounds
- Circuits
- Locations
- Service and Repair
- Diagrams
- Technical Service Bulletins
- Lighting and Horns
- Backup Lamp
- Brake Lamp
- Brake Light Switch
- Cargo Lamp
- Center Mounted Brake Lamp
- Courtesy Lamp
- Daytime Running Lamp
- Dimmer Switch
- Dome Lamp
- Door Switch
- Fog/Driving Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- License Plate Lamp
- Map Light
- Marker Lamp
- Parking Lamp
- Relays and Modules - Lighting and Horns
- Sensors and Switches - Lighting and Horns
- Tail Lamp
- Trunk Lamp
- Turn Signals
- Application and ID
- Testing and Inspection
- Daytime Running Lights
- High/Low Beam Headlamps
- Park/Marker/License/Tail/Dim Illuminations Lamps
- Sedan
- Symptom Chart
- Circuit Testing
- Fuses
- Grounds
- Circuit 150G
- Circuit 150F
- Circuit 150C
- Circuit 150B
- Circuit 150K
- Circuit 150L
- Circuit 155VV
- Circuit 155NN
- Circuit 155PP
- Circuit 153L
- Circuit 153K
- Circuit 153A
- Circuit 155K
- Circuit 155A
- Circuit 155B
- Circuit 154B
- Circuit 150Y
- Circuit 155MM
- Circuit 153YY
- Circuit 153Y
- Circuit 153Z
- Circuit 150Z
- Circuit 155KK
- Circuit 155X
- Circuit 155Y
- Circuit 155CC
- Circuit 155W
- Circuit 155YY
- Power Circuits
- Component Testing
- Coupe
- Symptom Chart
- Circuit Testing
- Fuses
- Grounds
- Circuit 150G
- Circuit 150F
- Circuit 150C
- Circuit 150B
- Circuit 150K
- Circuit 150L
- Circuit 155VV
- Circuit 155NN
- Circuit 155PP
- Circuit 153L
- Circuit 153K
- Circuit 153A
- Circuit 155K
- Circuit 155A
- Circuit 155B
- Circuit 154B
- Circuit 150Y
- Circuit 155MM
- Circuit 153YY
- Circuit 153Y
- Circuit 153Z
- Circuit 150Z
- Circuit 155KK
- Circuit 155X
- Circuit 155Y
- Circuit 155CC
- Circuit 155W
- Circuit 155YY
- Power Circuits
- Component Testing
- Sedan
- Turn/Hazard/Stop Lamps
- Back-Up Lamps
- Cargo Lamp
- Chime/Delayed Dome Lamp
- Locations
- Diagrams
- Technical Service Bulletins
- Windows and Glass
- Heated Glass Element
- Heated Glass Element Relay
- Description and Operation
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Component Tests and General Diagnostics
- Locations
- Service and Repair
- Diagrams
- Technical Service Bulletins
- Rear Defogger
- Relays and Modules - Windows and Glass
- Sensors and Switches - Windows and Glass
- Windows
- Power Window Motor
- Power Window Switch
- Window Glass
- Window Regulator
- Window Seal
- Description and Operation
- Testing and Inspection
- Symptom Related Diagnostic Procedures
- Component Tests and General Diagnostics
- Coupe Window Switches
- Left Front Window Motor - (Sedan Only)
- Left Rear Redundant Window Switch
- Left Rear Window Motor
- Right Front Window Motor - (Sedan & Wagon)
- Right Rear Redundant Window Switch
- Right Rear Window Motor
- Window Relay
- 4 Door Switches
- Circuit Testing - Power Windows
- Locations
- Diagrams
- Technical Service Bulletins
- Windshield
- Technical Service Bulletins
- Heated Glass Element
- Wiper and Washer Systems
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches - Wiper and Washer Systems
- Windshield Washer Motor
- Windshield Washer Pump
- Windshield Washer Spray Nozzle
- Windshield Washer Switch
- Wiper Blade
- Wiper Control Module
- Wiper Gear Box
- Wiper Motor
- Wiper Switch
- Description and Operation
- Testing and Inspection
- Locations
- Diagrams
- Technical Service Bulletins
- Application and ID
- Regular Production Option (RPO)
- Vehicle Identification Number (VIN)
- Description
- GM Automobile VIN Charts
- GM Light Duty & Multi-Purpose Truck VIN Charts
- 1982 Light Duty Trucks & Multi-Purpose Vehicle
- 1983 Light Duty Trucks & Multi-Purpose Vehicle
- 1984 Light Duty Trucks & Multi-Purpose Vehicle
- 1985 Light Duty Trucks & Multi-Purpose Vehicle
- 1986 Light Duty Trucks & Multi-Purpose Vehicle
- 1987 Light Duty Trucks & Multi-Purpose Vehicle
- 1988 Light Duty Trucks & Multi-Purpose Vehicle
- 1989 Light Duty Trucks & Multi-Purpose Vehicle
- 1990 Light Duty Trucks & Multi-Purpose Vehicles
- 1991 Light Duty Trucks & Multi-Purpose Vehicles
- 1992 Light Duty Trucks & Multi-Purpose Vehicles
- 1993 Light Duty Trucks & Multi-Purpose Vehicles
- 1994 Light Duty Trucks & Multi-Purpose Vehicles
- 1995 Light Duty Trucks & Multi-Purpose Vehicles
- 1996 Light Duty Trucks & Multi-Purpose Vehicles
- GM Medium & Heavy Duty Truck VIN Charts
- 1982 Medium & Heavy Duty Trucks
- 1983 Medium & Heavy Duty Trucks
- 1984 Medium & Heavy Duty Trucks
- 1985 Medium & Heavy Duty Trucks
- 1986 Medium & Heavy Duty Trucks
- 1987 Medium & Heavy Duty Trucks
- 1988 Medium & Heavy Duty Trucks
- 1989 Medium & Heavy Duty Trucks
- 1990 Medium & Heavy Duty Trucks
- 1991 Medium & Heavy Duty Trucks
- 1992 Medium & Heavy Duty Trucks
- 1993 Medium & Heavy Duty Trucks
- 1994 Medium & Heavy Duty Trucks
- 1995 Medium & Heavy Duty Trucks
- 1996 Medium & Heavy Duty Trucks
- Locations
- Component Locations
- Additional Information
- Miscellaneous Components
- Modules
- Motors
- Relays
- Sensors
- Solenoids
- Switches
- Brake Switch
- Brake Transaxle Safety Interlock Switch
- Clutch Cruise Switch (Manual Transaxle)
- Clutch Start Switch
- Coolant Level Switch
- Cooling Fan Switch
- Door Jamb Switch
- Door Lock Switch
- Headlamp Switch
- High/Low Pressure Switch
- Ignition Key Switch
- Ignition Switch
- Low Brake Fluid Switch
- Neutral Start Switch
- Oil Pressure Sender/Switch
- Power Steering Pressure Switch
- ``A'' Pillar Switch
- ``B'' Pillar Switch
- Connector Locations
- Fuse and Fusible Link Locations
- Ground Locations
- Harness Locations
- Component Locations
- Diagrams
- Diagnostic Aids
- Exploded Views
- Connector Views
- Air Bag Systems
- Air Temperature Sensor ( Ambient / Intake )
- Alternator
- Antilock Brakes / Traction Control Systems
- Brake Fluid Level Sensor/Switch
- Brake Fluid Pressure Sensor/Switch
- Brake Switch (Cruise Control)
- Canister Purge Solenoid
- Clutch Switch, Cruise Control
- Control Module, A/T
- Coolant Level Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Cruise Control Module
- Cruise Control Switch
- Data Link Connector
- EFE Solenoid
- EGR Control Solenoid
- Engine Control Module
- Fuel Injector
- Fuel Tank
- Heated Glass Element
- Heating and Air Conditioning
- Idle Speed/Throttle Actuator - Electronic
- Ignition Control Module
- Instrument Panel, Gauges and Warning Indicators
- Lighting and Horns
- Manifold Pressure/Vacuum Sensor
- Multiple Junction Connector
- Oil Pressure Sensor
- Oxygen Sensor
- Parking Brake Warning Switch
- Power Door Lock Actuator
- Power Door Lock Control Module
- Power Door Lock Relay
- Power Door Lock Switch
- Power Mirror Motor
- Power Mirror Switch
- Power Steering Pressure Control Valve
- Radiator Cooling Fan Motor
- Radio/Stereo
- Seat Belt Buckle Switch
- Seat Belt Control Module
- Seat Belt Motor
- Shift Interlock Solenoid
- Speaker
- Starting System
- Sunroof / Moonroof
- Temperature Gauge
- Throttle Position Sensor
- Transmission Control Systems
- Transmission Mode Indicator - A/T
- Transmission Mode Switch, A/T
- Transmission Speed Sensor, A/T
- Transmission Temperature Sensor/Switch, A/T
- Windows
- Wiper and Washer Systems
- Electrical Diagrams
- Air Bag Systems
- Antilock Brakes / Traction Control Systems
- Cooling System
- Cruise Control
- Heated Glass Element
- Heating and Air Conditioning
- Instrument Panel, Gauges and Warning Indicators
- Lighting and Horns
- System Diagram
- Backup Lamp
- Brake Lamp
- Cargo Lamp
- Daytime Running Lamp
- Dimmer Switch
- Dome Lamp
- Hazard Warning Lamps
- Horn
- License Plate Lamp
- Map Light
- Marker Lamp
- Parking Lamp
- Tail Lamp
- Turn Signals
- Mirrors
- Power Locks
- Powertrain Management
- Radio, Stereo, and Compact Disc
- Seat Belt Systems
- Starting and Charging
- Sunroof / Moonroof
- Transmission and Drivetrain
- Trunk / Liftgate
- Windows
- Wiper and Washer Systems
- Fluid Diagrams
- Vacuum and Vapor Hose Diagrams
- Components
- Additional Information
- Miscellaneous Components
- Modules
- Motors
- Relays
- Sensors
- Solenoids
- Switches
- Brake Switch
- Brake Transaxle Safety Interlock Switch
- Clutch Cruise Switch (Manual Transaxle)
- Clutch Start Switch
- Coolant Level Switch
- Cooling Fan Switch
- Door Jamb Switch
- Door Lock Switch
- Headlamp Switch
- High/Low Pressure Switch
- Ignition Key Switch
- Ignition Switch
- Low Brake Fluid Switch
- Neutral Start Switch
- Oil Pressure Sender/Switch
- Power Steering Pressure Switch
- ``A'' Pillar Switch
- ``B'' Pillar Switch
- Connectors
- Fuse and Fusible Links
- Grounds
- Harness
- Specifications
- Electrical Specifications
- Mechanical Specifications
- Air Temperature Sensor ( Ambient / Intake )
- Alignment
- Alternator
- Backing Plate
- Battery
- Brake Caliper
- Brake Drum
- Brake Hose/Line
- Brake Master Cylinder
- Brake Pedal Assy
- Brake Rotor/Disc
- Canister Purge Solenoid
- Catalytic Converter
- Coolant Temperature Sensor/Switch (For Computer)
- EGR Control Solenoid
- EGR Valve
- Engine
- Evaporative Emission Control Canister
- Exhaust System
- Firing Order
- Fuel Delivery and Air Induction
- Heating and Air Conditioning
- Idle Speed/Throttle Actuator - Electronic
- Ignition Control Module
- Knock Sensor
- Manifold Pressure/Vacuum Sensor
- Oxygen Sensor
- Radiator
- Spark Plug
- Starter Motor
- Steering
- Suspension
- Throttle Position Sensor
- Transmission and Drivetrain
- System Specifications
- Automatic Transmission/Transaxle
- System Specifications
- Automatic Transmission Dipstick - Dipstick Tube
- Bell Housing, A/T
- Case, A/T
- Differential Case, A/T
- Fluid Filter - A/T
- Fluid Line/Hose, A/T
- Fluid Pump, A/T
- Idler Gear, A/T
- Input Shaft, A/T
- Output Shaft, A/T
- Parking Pawl, A/T
- Shift Linkage, A/T
- Shift Solenoid, A/T
- Shifter A/T
- Stator Shaft, A/T
- Torque Converter
- Transmission Mount, A/T
- Transmission Speed Sensor, A/T
- Transmission Temperature Sensor/Switch, A/T
- Valve Body, A/T
- Clutch Slave Cylinder
- Flex Plate
- Flywheel
- Manual Transmission/Transaxle
- Pressure Plate
- Water Pump
- Wheel Cylinder
- Wheel Speed Sensor
- Wheel Stud / Lug Nut
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
- Technical Service Bulletins
Diagnostic Trouble Codes
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.