CHECK INPUT VOLTAGE OF ABSCM&H/U.

1) Disconnect the ABSCM&H/U connectors.

2) Run the engine at idle.

3) Operate the devices such as headlights, air conditioner, defogger, etc. which produce much electrical loading.

4) Measure the voltage between ABSCM&H/U connector and chassis ground.

Connector & terminal

(B301) No. 18 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 — 15 V?

Yes No

Repair the ABSCM&H/U power circuit.