Inspection Procedure

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

Check Voltage Between Terminals ACC And GND Of Integration Control And Panel Connector
Preparation:

Remove integration control and panel with connectors still connected.

Check:
1. Turn ignition switch to ACC.
2. Measure voltage between terminals ACC and GND of integration control and panel.
OK:

Voltage: Battery positive voltage

Fig 1: Locating Integration Control And Panel ACC & GND Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Proceed to next circuit inspection shown on problem symptoms table. See PROBLEM SYMPTOMS TABLE .
2. NG: Go to next step.
Check CIG Fuse
Preparation:

Remove CIG fuse from cowl side J/B.

Fig 2: Locating CIG Fuse
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check:

Check continuity of CIG fuse.

OK:

Continuity
1. NG: Check for short in all the harness and components connected to the IGN fuse (See attached wiring diagram).
2. OK: Check and repair harness and connector between integration control and panel.