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.
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HOMESERVICE MANUALSGMC2009CANYON 4D PICKUP, 2.9 9REPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - DIAGNOSTIC STARTING POINT & CONNECTOR END VIEWS
2009 GMC Canyon 4D Pickup, 2.9 9
Wiring Systems And Power Management - Diagnostic Starting Point & Connector End Views
2009 GMC Canyon 4D Pickup, 2.9 9SECTION Wiring Systems And Power Management - Diagnostic Starting Point & Connector End Views
- Component Connector End Views
- 1-2 Shift Solenoid (SS) Valve (M30)
- 2-3 Shift Solenoid (SS) Valve (M30)
- A/C Compressor Clutch (C60)
- A/C Refrigerant Pressure Sensor (C60)
- Accelerator Pedal Position (APP) Sensor
- Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch (M30)
- Automatic Transmission Input Shaft Speed (ISS) Sensor (M30)
- Automatic Transmission Shift Lock Control Solenoid (M30)
- Ambient Light Sensor
- Accessory Power Outlet - I/P 1
- Accessory Power Outlet - I/P 2 (KC5)
- Backup Lamp - Left
- Backup Lamp - Right
- Backup Lamp Switch (MA5)
- Blower Motor
- Blower Motor Resistor Assembly
- Body Control Module (BCM) X1
- Body Control Module (BCM) X2
- Brake Fluid Level Switch
- Camshaft Position (CMP) Actuator Solenoid Valve
- Camshaft Position (CMP) Sensor (LH8)
- Camshaft Position (CMP) Sensor (LLR/LLV)
- Cargo Lamp - Left
- Cargo Lamp - Right
- Center High Mounted Stop Lamp (CHMSL) - Left
- Center High Mounted Stop Lamp (CHMSL) - Right
- Clutch Pedal Position (CPP) Sensor (MA5)
- Crankshaft Position (CKP) Sensor (LH8)
- Crankshaft Position (CKP) Sensor (LLR/LLV)
- Cruise Control Switch
- Data Link Connector (DLC)
- Data Link Resistor
- Digital Radio Receiver (U2K)
- Dome Lamp
- Door Jamb Switch - Driver
- Door Jamb Switch - Passenger
- Door Jamb Switch - Left Rear (Crew Cab)
- Door Jamb Switch - Right Rear (Crew Cab)
- Door Lock Actuator - Driver (AU3)
- Door Lock Actuator - Passenger (AU3)
- Door Lock Actuator - Left Rear (Crew Cab with AU3)
- Door Lock Actuator - Right Rear (Crew Cab with AU3)
- Door Lock/Window Switch - Driver X1 (A31/AU3)
- Door Lock/Window Switch - Driver X2 (A31/AU3)
- Door Lock/Window Switch - Passenger (A31/AU3)
- Electronic Brake Control Module (EBCM)
- Engine Control Module (ECM) X1
- Engine Control Module (ECM) X2
- Engine Control Module (ECM) X3
- Engine Coolant Temperature (ECT) Sensor (LH8)
- Engine Coolant Temperature (ECT) Sensor (LLR/LLV)
- Engine Oil Pressure (EOP) Sensor (LH8)
- Engine Oil Pressure (EOP) Switch (LLR/LLV)
- Evaporative Emission (EVAP) Canister Purge Solenoid Valve
- Evaporative Emission (EVAP) Canister Vent Solenoid
- Evaporator Temperature Sensor (C60)
- Fog Lamp - Left Front (T96)
- Fog Lamp - Right Front (T96)
- Front Drive Axle Actuator (4WD)
- Fuel Injector 1 (LH8)
- Fuel Injector 1 (LLV)
- Fuel Injector 1 (LLR)
- Fuel Injector 2 (LH8)
- Fuel Injector 2 (LLV)
- Fuel Injector 2 (LLR)
- Fuel Injector 3 (LH8)
- Fuel Injector 3 (LLV)
- Fuel Injector 3 (LLR)
- Fuel Injector 4 (LH8)
- Fuel Injector 4 (LLV)
- Fuel Injector 4 (LLR)
- Fuel Injector 5 (LH8)
- Fuel Injector 5 (LLR)
- Fuel Injector 6 (LH8)
- Fuel Injector 7 (LH8)
- Fuel Injector 8 (LH8)
- Fuel Pump and Sender Assembly
- Fuel Pump Flow Control Module
- Fuel Tank Pressure (FTP) Sensor
- Generator X1
- Generator Battery Control Module
- Hazard Warning Switch
- Headlamp - Left High Beam (TT5)
- Headlamp - Right High Beam (TT5)
- Headlamp - Left (-TT5)
- Headlamp - Left Low Beam (TT5)
- Headlamp - Right Low Beam (TT5)
- Headlamp - Right (-TT5)
- Headlamp and Panel Dimmer Switch
- Heated Oxygen Sensor (HO2S) 1 (LLR/LLV)
- Heated Oxygen Sensor (HO2S) 2 (LLR/LLV)
- Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (LH8)
- Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (LH8)
- Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (LH8)
- Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (LH8)
- Heated Seat Element - Driver Back (KA1)
- Heated Seat Element - Passenger Back (KA1)
- Horn Assembly
- Horn Switch
- HVAC Control Module X1
- HVAC Control Module X2
- I/P Courtesy Lamp - Left
- I/P Courtesy Lamp - Right
- Ignition Coil 1 (LH8)
- Ignition Coil 1 (LLR/LLV)
- Ignition Coil 2 (LH8)
- Ignition Coil 2 (LLR/LLV)
- Ignition Coil 3 (LH8)
- Ignition Coil 3 (LLR/LLV)
- Ignition Coil 4 (LH8)
- Ignition Coil 4 (LLR/LLV)
- Ignition Coil 5 (LH8)
- Ignition Coil 5 (LLR)
- Ignition Coil 6 (LH8)
- Ignition Coil 7 (LH8)
- Ignition Coil 8 (LH8)
- Ignition Switch
- Inflatable Restraint Front End Sensor - Left
- Inflatable Restraint Front End Sensor - Right
- Inflatable Restraint I/P Module
- Inflatable Restraint Passenger Presence System (PPS) Module
- Inflatable Restraint Passenger Presence System (PPS) Sensor
- Inflatable Restraint Roof Rail Module - Left (ASF)
- Inflatable Restraint Roof Rail Module - Right (ASF)
- Inflatable Restraint Seat Position Sensor - Left
- Inflatable Restraint Seat Position Sensor - Right
- Inflatable Restraint Sensing and Diagnostic Module (SDM)
- Inflatable Restraint Side Impact Sensor (SIS) - Left (ASF)
- Inflatable Restraint Side Impact Sensor (SIS) - Right (ASF)
- Inflatable Restraint Steering Wheel Module X1
- Inflatable Restraint Steering Wheel Module X2
- Inside Rearview Mirror (ISRVM)
- Instrument Panel Cluster (IPC)
- Knock Sensor (KS) 1 (LH8)
- Knock Sensor (KS) 2 (LH8)
- Knock Sensor (KS) (LLR/LLV)
- License Lamp - Left
- License Lamp - Right
- Manifold Absolute Pressure (MAP) Sensor
- Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
- Multifunction Switch - I/P
- Outside Rearview Mirror - Driver (DE6)
- Outside Rearview Mirror - Passenger (DE6)
- Outside Rearview Mirror Switch (DE6)
- Park Brake Switch
- Park/Neutral Position (PNP) Switch (M30)
- Park Lamp - Left Front
- Park Lamp - Right Front
- Park/Turn Signal Lamp - Left
- Park/Turn Signal Lamp - Right
- Pressure Control (PC) Solenoid Valve (M30)
- Radio X1
- Radio X2
- Recirculation Actuator (C60)
- Relay Inflatable Restraint
- Seat Adjuster Motor Assembly - Driver (AG1)
- Seat Adjuster Motor Assembly - Passenger (AG2)
- Seat Adjuster Switch - Driver X1 (AG1)
- Seat Adjuster Switch - Driver X2 (AG1)
- Seat Adjuster Switch - Passenger (AG2)
- Seat Belt Buckle - Driver
- Seat Belt Buckle - Passenger X1
- Seat Belt Buckle - Passenger X2
- Seat Belt Pretensioner - Driver
- Seat Belt Pretensioner - Passenger
- Seat Lumbar Adjuster Switch - Driver (AG1)
- Seat Lumbar Adjuster Switch - Passenger (AG2)
- Seat Lumbar Motor - Driver (AR9)
- Seat Lumbar Motor - Passenger (AR9)
- Seat Vertical Motor - Driver (AG1)
- Secondary Air Injection (AIR) Pump (K18)
- Secondary Air Injection (AIR) Pump Relay (K18)
- Secondary Air Injection (AIR) Pump Solenoid (K18)
- Speaker - Left Front
- Speaker - Left Front Tweeter (UQ2)
- Speaker - Left Rear (Extended/Crew Cab)
- Speaker - Right Front
- Speaker - Right Front Tweeter (UQ2)
- Speaker - Right Rear (Extended/Crew Cab)
- Starter X1
- Steering Wheel Position Sensor
- Stop Lamp Switch
- Stop Lamp - Left
- Stop Lamp - Right
- Sunroof Motor (CF5)
- Sunroof Switch (CF5)
- Throttle Body
- Theft Deterrent Module (TDM)
- Torque Converter Clutch (TCC) Solenoid Valve (M30)
- Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve (M30)
- Traction Control Switch
- Trailer Connector (UY7)
- Transfer Case Encoder Motor (4WD)
- Transfer Case 2/4 Wheel Indicator Switch (4WD)
- Transfer Case Neutral Switch (4WD)
- Transfer Case Shift Control Module X1 (4WD)
- Transfer Case Shift Control Module X2 (4WD)
- Transmission Control Module (TCM) (M30)
- Turn Signal Lamp - Left Rear
- Turn Signal Lamp - Right Rear
- Vehicle Communications Interface Module (VCIM) X1
- Vehicle Communications Interface Module (VCIM) X2
- Vehicle Speed Sensor (VSS)
- Window Switch - Left Rear (Crew Cab with A31)
- Window Switch - Right Rear (Crew Cab with A31)
- Wheel Speed Sensor (WSS) - Left Front
- Wheel Speed Sensor (WSS) - Right Front
- Window Motor - Driver (A31)
- Window Motor - Passenger (A31)
- Window Motor - Left Rear (Crew Cab A31)
- Window Motor - Right Rear (Crew Cab A31)
- Windshield Washer Fluid Pump
- Windshield Wiper Motor
- Yaw and Lateral Accelerometer Sensor (2WD) (JL4)
- Yaw and Lateral Accelerometer Sensor (4WD) (JL4)
- Splice Pack Connector End Views
- Inline Harness Connector End Views
- X100 Engine Harness to the Front Axle Jumper Harness (4WD)
- X101 Engine Harness to the Fuel Rail Harness (LLV)
- X101 Engine Harness to the Fuel Rail Harness (LLR)
- X102 Body Harness to the Chassis Harness
- X103 Forward Lamp Harness to the Body Harness
- X104 Forward Lamp Harness to the Body Harness
- X105 Engine Harness to the Body Harness (4WD)
- X106 Body Harness to the Chassis harness
- X107 Forward Lamp Harness to Right Front Turn Signal Harness
- X108 Forward Lamp Harness to Left Front Turn Signal Harness
- X109 Engine Harness to Battery Harness (K18)
- X110 Chassis Harness to Engine Harness (UY7)
- X125 Engine Harness to the Body Harness
- X126 Chassis Harness to the Engine Harness
- X175 Engine Harness to Transmission Harness (M30)
- X200 I/P Harness to the Body Harness
- X201 I/P Harness to the Body Harness
- X202 Driver Door Harness to the Body Harness (AU3)
- X203 I/P Harness to the HVAC Harness
- X204 Steering Column Harness to the I/P Harness
- X208 I/P Harness to the Body Harness
- X209 Body Harness to the Driver Door Harness
- X210 Body Harness to the Passenger Door Harness
- X211 Passenger Door Harness to the Body Harness (AU3)
- X275 SIR Coil Harness to the Body Harness
- X276 Body Harness to the Steering Column Harness
- X307 Body Harness to the Driver Seat Harness (AG1)
- X310 Dome Lamp Harness to the Body Harness
- X311 Body Harness to the Right Rear Passenger Door Harness (Extended Cab)
- X312 Body Harness to the Left Rear Passenger Door Harness (Extended Cab)
- X313 Body Harness to the Passenger Seat Harness
- X314 Body Harness to the Driver Seat Harness
- X315 Body Harness to the Passenger Seat Harness (AG2)
- X316 Body Harness to the Left Rear Passenger Door Harness (Crew Cab with A31)
- X316 Body Harness to the Left Rear Passenger Door Harness (Crew Cab without A31)
- X316 Body Harness to the Left Rear Passenger Door Harness (Extended Cab)
- X317 Body Harness to the Right Rear Passenger Door Harness (Crew Cab with A31)
- X317 Body Harness to the Right Rear Passenger Door Harness (Crew Cab without A31)
- X317 Body Harness to the Right Rear Passenger Door Harness (Extended Cab)
- X318 Heat Element to Passenger Seat Harness (AG2)
- X319 Heat Element to Driver Seat Harness (AG1)
- X320 Body Harness to Cargo Lamp/Center High Mounted Stop Lamp (CHMSL) Harness
- X400 Chassis Harness to the License Lamp Harness
- X401 Left Rear Lamp Assembly to the Chassis Harness (- UY7)
- X401 Trailer Accessory Harness to the Chassis Harness (UY7)
- X402 Right Rear Lamp Assembly to the Chassis Harness
- X403 Left Rear Lamp Assembly to the Trailer Accessory Harness (Trailer Accessory)
- X404 (UY7) Chassis Harness to License Lamp Harness
- X405 (UY7) Trailer Jumper Harness to License Lamp Harness
- X406 License Lamp Harness to Chassis Harness (UY7)
- X500 Body Harness to the Driver Door Harness
- X501 Driver Door Harness to the Body Harness (ZQ6 or UE1)
- X600 Body Harness to the Passenger Door Harness
- X601 Passenger Door Harness to the Body Harness (ZQ6)
- X700 Body Harness to the Left Rear Passenger Door Harness (Extended Cab)
- X700 Body Harness to the Left Rear Passenger Door Harness (Crew Cab)
- X701 Body Harness to the Left Rear Passenger Door Harness (Extended Cab)
- X800 Body Harness to the Right Rear Passenger Door Harness (Extended Cab)
- X800 Body Harness to the Right Rear Passenger Door Harness (Crew Cab)
- X801 Body Harness to the Right Rear Passenger Door Harness (Extended Cab)
- Diagnostic Starting Point - Wiring Systems and Power Management
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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.