Operation CHARM: Car repair manuals for everyone.

Charging System: Testing and Inspection

Grounding HITACHI Alternator:




1. Use fully charged battery.
2. Light : Charge warning light

A.C.G.: Alternator parts expect IC regulator
lC-RG : IC regulator
O.K. : IC-alternator is in good condition.

3. When reaching "Damaged A.C.G.", remove alternator from venide and is assemble, 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 alternator.


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.

Trouble-Shooting - With IC Regulator:





Before starting trouble-shooting, inspect the fusible link.