Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

Check AM1 fuse.
CHECK:

Check continuity of AM1 fuse.

OK:

Continuity
1. NG: Replace the failure fuse.
2. OK: Go to next step.
Check voltage between terminals 8, 15 and E of body ECU connector.
PREPARATION:

Turn ignition switch ON.

CHECK:

Measure voltage between terminals 8, 15 and E.

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 body 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: Go to next step.
Check and repair wire harness and connector between body ECU and battery.