Operation CHARM: Car repair manuals for everyone.

Charging System: Testing and Inspection

Charging System Diagnosis:






NOTE: Before conducting an alternator test, make sure that the battery is fully charged. A 30-volt voltmeter and suitable test probes are necessary for the test.

TIP: Before starting trouble-shooting, inspect the fusible link.

1. Use fully charged battery.
2. Light: Charge warning light
ACG : Alternator parts except IC regulator
IC-RG : IC regulator
OK : IC-alternator is in good condition.

3. If "Damaged ACG", remove alternator from vehicle disassemble, inspect and correct or replace faulty parts.

Grounding F Terminal--Hitachi Alternator Only:






4. Method of grounding F terminal (HITACHI make only)
Gasoline Engine Model
- Contact tip of wire with brush and attach wire to alternator body.

5. Terminals "S", "L", "B" and "E" are marked on rear cover of alternator.

Refer to Fig. 5 for troubleshooting and SCHEMATIC DIAGRAMS/ELECTRICAL AND ELECTRONIC DIAGRAMS for wiring circuits.