Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. 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 the ignition switch ON.

CHECK:

Measure the voltage between terminals TC and CG of the DLC3.

OK:

Voltage: 10 to 14 V

Fig 1: Measuring Voltage Between Terminals TC And CG Of DLC3
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1. OK: Proceed to next circuit inspection shown in PROBLEM SYMPTOMS TABLE .
2. NG: Go to next step
Check wire harness and connector between body ECU and DLC3, and DLC3 and body ground (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
1. NG: Repair or replace wire harness and connector.
2. OK: Check and replace body ECU (See PROBLEM SYMPTOMS TABLE ).