1996 Saturn SW2 AutomaticFACTORY OEM SERVICE PROCEDURE

A & C Chart Reference Table

NOTE: The following table provides the location of commonly used diagnostic information. These former "A" and "C" charts are now written in text and inserted into the appropriate location in the new Engine Performance workflow. To familiarize yourself with the Engine Performance workflow, see HOW TO USE THE ENGINE PERFORMANCE SECTION in this section.
GENERAL MOTORS A & C CHART REFERENCE

System Or Component Diagnostic Information Location
A-1 & A-2, MALFUNCTION INDICATOR LIGHT (MIL) See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK 
A-2, DLC Diagnosis See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK 
A-3, No Start See NO START - ENGINE CRANKS OKAY 
A-4, No Scan Tool Data See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK 
A-5, Fuel Pump Relay See FUEL SYSTEM in SYSTEM/COMPONENT TESTS article
A-7, Fuel System Diagnosis See BASIC FUEL SYSTEM CHECKS (A-7) 
C-1, PCM Replacement Check See PCM REPLACEMENT CHECK 
C-1, MAP Sensor See ENGINE SENSORS & SWITCHES in SYSTEM/COMPONENT TESTS article
C-1, Power Steering Pressure Switch See ENGINE SENSORS & SWITCHES in SYSTEM/COMPONENT TESTS article
C-1, Park/Neutral Position Switch See ENGINE SENSORS & SWITCHES in SYSTEM/COMPONENT TESTS article
C-2, Injector Balance Test See FUEL SYSTEM in SYSTEM/COMPONENT TESTS article
C-2, Injector Coil Test See FUEL SYSTEM in SYSTEM/COMPONENT TESTS article
C-2, Injector Leak Test See FUEL SYSTEM in SYSTEM/COMPONENT TESTS article
C-2, IAC Motor See IDLE CONTROL SYSTEM in SYSTEM/COMPONENT TESTS article
C-3, Canister Purge System (Fuel Evap. Control) See EMISSION SYSTEMS & SUB-SYSTEMS in SYSTEM/COMPONENT TESTS article
C-5, KS Ignition Check See IGNITION SYSTEM in SYSTEM/COMPONENT TESTS article
C-6, Air Injection System See EMISSION SYSTEMS & SUB-SYSTEMS in SYSTEM/COMPONENT TESTS article
C-7, EGR System See EMISSION SYSTEMS & SUB-SYSTEMS in SYSTEM/COMPONENT TESTS article
C-8, Manual Transmission Shift Lights (Trans.) See MISCELLANEOUS CONTROLS in SYSTEM/COMPONENT TESTS article
C-8, Torque Converter Clutch (Trans.) (1) See MISCELLANEOUS CONTROLS in SYSTEM/COMPONENT TESTS article
C-10, A/C Clutch Control (2) See MISCELLANEOUS CONTROLS in SYSTEM/COMPONENT TESTS article
C-12, Electric Cooling Fan Control (2) See MISCELLANEOUS CONTROLS in SYSTEM/COMPONENT TESTS article
C-16, Engine Coolant Level Switch See ENGINE SENSORS & SWITCHES in SYSTEM/COMPONENT TESTS article
C-16, Fuel Pump/Oil Pressure Switch See ENGINE SENSORS & SWITCHES in SYSTEM/COMPONENT TESTS article
C-16, Oil Level Switch See ENGINE SENSORS & SWITCHES in SYSTEM/COMPONENT TESTS article
C-16, PCM Controlled Warning Lights See MISCELLANEOUS CONTROLS in SYSTEM/COMPONENT TESTS article
(1) Covered in entirety in appropriate AUTO TRANS DIAGNOSIS article.
(2) Covered in entirety in A/C-HEATER SYSTEM article in the AIR CONDITIONING & HEAT section.
NOTE: Perform all voltage tests with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure.
Factory Service Tools

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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.

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