Inspection Procedure
- Check PWR1, AM1 and DOME fuse
.
Check:
Check continuity of PWR1, AM1 and DOME fuse.
OK:
Continuity
NG: Replace the failure fuse .
OK: Go to Next Step
- Check voltage between terminals B, CPUB, IG and GND of driver door ECU connector
.
Preparation:
Turn ignition switch ON.
Check:
Measure voltage between terminals IG, and GND.
OK: Voltage: 10 - 14 V
Preparation:
- Turn ignition switch OFF.
- Disconnect the driver door ECU connector.
Check:
Measure voltage between terminals B, CPUB and GND.
OK: Voltage: 10 - 14 V
OK: Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE ) .
NG: Go to Next Step
- Check wireharness and connector between ECU and body ground
.
NG: Repair or replace wireharness or connector
OK: Check and repair wireharness and connector between ECU and battery .