Inspection Procedure

WARNING: This page is about a different car, the 2003 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.
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:
1. Voltage: 10 - 14 V
Fig 1: Measuring Voltage Between Terminals ACC And GND Of Integration Control And Panel
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK : Proceed to next circuit inspection shown in PROBLEM SYMPTOMS TABLE .
2. NG : Go To Next Step.
Check CIG fuse.
PREPARATION:

Remove CIG fuse from cowl side J/B.

CHECK:

Check continuity of CIG fuse.

OK:
1. Continuity
Fig 2: Locating CIG Fuse From Cowl Side J/B
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 and battery.