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Diagnosis Circuit

DIAGNOSIS CIRCUIT

CIRCUIT DESCRIPTION

Making a short circuit between terminals TC and CG of the DLC3 will output DTCs from the DLC3.

Wiring Diagram:






HINT: When a particular warning light stays blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in the relevant ECU is suspected.

Step 1:




Step 2 - 3:




INSPECTION PROCEDURE