Inspection Procedure

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:
1. Voltage: 10 to 14 V
Fig 1: Measuring Voltage Between TC & TG Terminal
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1. OK: Proceed to next circuit inspection shown in problem symptom table (See 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 ).