1996 Saturn SLFACTORY OEM SERVICE PROCEDURE

A & C Chart Reference Table

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 in BASIC TESTING
A-2, DLC Diagnosis See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK in BASIC TESTING
A-3, No Start See NO START - ENGINE CRANKS OKAY in BASIC TESTING
A-4, No Scan Tool Data See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK in BASIC TESTING
A-5, Fuel Pump Relay See FUEL SYSTEM in
A-7, Fuel System Diagnosis See BASIC FUEL SYSTEM CHECKS in BASIC TESTING
C-1, PCM Replacement Check See PCM REPLACEMENT CHECK in BASIC TESTING
C-1, MAP Sensor See ENGINE SENSORS & SWITCHES 
C-1, Power Steering Pressure Switch See ENGINE SENSORS & SWITCHES 
C-1, Park/Neutral Position Switch See ENGINE SENSORS & SWITCHES 
C-2, Injector Balance Test See FUEL SYSTEM 
C-2, Injector Coil Test See FUEL SYSTEM 
C-2, Injector Leak Test See FUEL SYSTEM 
C-2, IAC Motor See IDLE CONTROL SYSTEM (C-2) 
C-3, Canister Purge System (Fuel Evaporation Control) See EMISSION SYSTEMS & SUB-SYSTEMS 
C-5, KS Ignition Check See IGNITION SYSTEM 
C-6, Air Injection System See EMISSION SYSTEMS & SUB-SYSTEMS 
C-7, EGR System See EMISSION SYSTEMS & SUB-SYSTEMS 
C-8, Manual Transmission Shift Lights (Trans.) See MISCELLANEOUS CONTROLS 
C-8, Torque Converter Clutch (Trans.) (1) See MISCELLANEOUS CONTROLS 
C-10, A/C Clutch Control (2) See MISCELLANEOUS CONTROLS 
C-12, Electric Cooling Fan Control (2) See MISCELLANEOUS CONTROLS 
C-16, Engine Coolant Level Switch See ENGINE SENSORS & SWITCHES 
C-16, Fuel Pump/Oil Pressure Switch See ENGINE SENSORS & SWITCHES 
C-16, Oil Level Switch See ENGINE SENSORS & SWITCHES 
C-16, PCM Controlled Warning Lights See MISCELLANEOUS CONTROLS 
(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.
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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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