Inspection Procedure

Check ECU-IG, PWR No.2 and ECU-B fuse.
CHECK:

Check continuity of ECU-IG, PWR No.2 and ECU-B fuse.

OK:

Continuity
1. NG: Replace the failure fuse.
2. OK: Go to next step.
Check voltage between terminals BDR, CPUB, SIG and GND of passenger door ECU connector.
PREPARATION:

Turn ignition switch ON.

CHECK:

Measure voltage between terminals SIG, and GND.

OK:

Voltage: 10 - 14V

PREPARATION:
1. Turn ignition switch OFF.
2. Disconnect the passenger door ECU connector.
CHECK:

Measure voltage between terminals BDR, CPUB and GND.

OK:

Voltage: 10 - 14V
1. OK: Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE ).
2. NG: Go to next step.
Check wire harness and connector between passenger door ECU and battery, passenger door ECU and body ground (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
1. NG: Repair or replace wire harness or connector.
2. OK: Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE )