Diagnosis Circuit

DIAGNOSIS CIRCUIT

CIRCUIT DESCRIPTION

This circuit outputs trouble codes on the multi information display in the combination meter when terminals TC and CG of the DLC3 are connected.

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.

Wiring Diagram:

Step 1:

Step 2-3:

INSPECTION PROCEDURE