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Home >> Isuzu >> 1987 >> Impulse Base, Automatic, AW03-72L >> Repair and Diagnosis >> Engine Performance >> System >> I-TEC Control System >> Diagnosis & Testing >> Test 5 - Starter Signal (Code 22)
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Test 5 - Starter Signal (Code 22)

Unplug ECU connectors at ECU. Disconnect ignition switch harness at switch. Check continuity between terminal 4 of ignition switch and ECU connector terminal No. 25. If no continuity exists, repair or replace harness.

Fig 1: Test Chart 5
G42748