General Motors A & C Chart Reference

WARNING: This page does not describe the selected car, but rather 39 other vehicles, including the 1992 Saturn SL2, 1992 Saturn SL1, 1992 Saturn SL, 1992 Saturn SC, and 1992 Pontiac Sunbird. However, it is still accessible from the selected car via links, so may be relevant.

GENERAL MOTORS A & C CHART REFERENCE

System or Component Location	Diagnostic Information
A-1 & A-2 SERVICE ENGINE SOON Light	See DIAGNOSTIC CIRCUIT CHECK CHECK in this article
A-3 No Start	See NO START - ENGINE CRANKS OK in this article
A-5 Fuel Pump Relay	See RELAYS, SOLENOIDS & MOTORS in I - SYS/COMP TESTS article
A-7 Fuel System Diagnosis	See BASIC FUEL SYSTEM CHECKS in this article
C-1 ECM/PCM Replacement Check	See ECM REPLACEMENT CHECK in this article
C-1 MAP Sensor	See ENGINE SENSORS & SWITCHES in I - SYS/COMP TESTS
C-1 Power Steering Pressure Switch	See ENGINE SENSORS & SWITCHES in I - SYS/COMP TESTS
C-1 Park/Neutral Switch	See ENGINE SENSORS & SWITCHES in I - SYS/COMP TESTS
C-2 Injector Balance Test	See FUEL SYSTEM in I - SYS/COMP TESTS
C-2 IAC Motor	See IDLE CONTROL SYSTEM in I - SYS/COMP TESTS
C-2 ISC Motor	See IDLE CONTROL SYSTEM in I - SYS/COMP TESTS
C-3 Canister Purge Sys (Fuel Evap Ctrl)	See EMISSION SYSTEMS & SUB- SYSTEMS in I - SYS/COMP TESTS
C-4 EST Ignition Check	See BASIC IGNITION SYSTEM CHECKS in this article
C-5 ESC Ignition Check	See IGNITION SYSTEM in I - SYS/COMP TESTS
C-6 Air Injection System	See EMISSION SYSTEMS & SUB- SYSTEMS in I - SYS/COMP TESTS
C-7 EGR System	See EMISSION SYSTEMS & SUB- SYSTEMS in I - SYS/COMP TESTS
C-8 Torque Converter Clutch (Trans)	See MISCELLANEOUS ECM CONTROLS in I - SYS/COMP TESTS
C-8 M/T Shift Lights (Trans)	See MISCELLANEOUS ECM CONTROLS in I - SYS/COMP TESTS
C-10 A/C Clutch Control	See MISCELLANEOUS ECM CONTROL in I - SYS/COMP TESTS
C-12 Electric Cooling Fan Control	See MISCELLANEOUS ECM CONTROL in I - SYS/COMP TESTS
C-18 Supercharger Boost Control	See AIR INDUCTION SYSTEMS in I - SYS/COMP TESTS

NOTE: Perform all voltage tests with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure.