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CHARGING SYSTEM TABLE OF CONTENTS page page CHARGING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 DIAGNOSIS AND TESTING - CHARGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 GENERATOR . . . . . . . . . . . . . . . . . . . . . . . . . 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 . . . . . . . . . . . . . . . . . . . . . . . . . 32 VOLTAGE REGULATOR . . . . . . . . . . . . . . . . . . . . . . . . . 33 . . . . . . . . . . . . . . . . . . . . . . . . . 33 . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 . . . . . . . . . . . . . . . . . . . . . . . 34 CHARGING SYSTEM DESCRIPTION The charging system consists of: • Generator • Electronic Voltage Regulator • Ignition Switch • Battery • Generator Lamp • Check Gauges Lamp • Wiring harness and connections OPERATION The charging system is turned on and off with the ignition switch. The system is on when the engine is running. The DIAGNOSIS AND TESTING - CHARGING SYSTEM The following procedures may be used to diagnose the charging system if: • the check gauges lamp is illuminated with the engine running. • an undercharged or overcharged battery condition occurs. Remember that an undercharged battery is often caused by: • accessories being left on with the engine not running. • a faulty or improperly adjusted switch that allows a lamp to stay on. INSPECTION The Powertrain Control Module (PCM) monitors critical input and output circuits of the charging system, making sure To perform a complete test of the charging system, perform the following inspections. 1. Inspect the battery condition. ZH CHARGING SYSTEM 8F - 27 |