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 Tc and CG of DLC3.
PREPARATION:

Turn ignition switch ON.

CHECK:

Measure voltage between terminals Tc and CG of DLC3.

Fig 1: Checking Voltage Between Terminals Tc And CG Of DLC3
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:
1. Voltage: 10 - 14 V
1. OK : Proceed to next circuit inspection shown in problem symptom table (See PROBLEM SYMPTOMS TABLE ).
2. NG : Go To Next Step.
Check harness and connector between body ECU and DLC3, DLC3 and body ground (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
1. NG : Repair or replace wire harness or connector.
2. OK : Check and replace Body ECU (See PROBLEM SYMPTOMS TABLE ).