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.