Operation CHARM: Car repair manuals for everyone.

Alternator Testing

Trouble Diagnoses-With IC Regulator:




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. The alternator can be checked easily by referring to the Inspection Table.

Before starting trouble-shooting, inspect the fusible link.

1. Use fully charged battery.
2. Light: Charge warning light
G.C.G : Generator parts except IC regulator
IC-RG: IC regulator
OK : IC-Generator is in good condition.
3. When reaching "Damaged G.C.G", remove Generator from vehicle and disassembly, inspect and correct or replace faulty parts.
4. *Method of grounding F terminal (HITACHI make only)
5. Terminals "S" ,"L", "B" and "E" are marked on rear cover of Generator.

Gasoline Engine Model:




Gasoline engine model
Contact tip of wire with brush and attach wire to Generator body.