Inspection Procedure

1. Turn the ignition switch to ON.
2. Measure voltage between terminals TC and CG of DLC3.

   Voltage: 10 to 14 V 

Fig 1: Identifying DLC3 Connector Terminal

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OK: Go to step   3 

NG: GO TO NEXT STEP 

1. Check for an open circuit in harness and connector between terminal CG of DLC3 and body ground (See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS ).

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Check for an open or short circuit in harness and connector between terminal TC of DLC3 and ECM (See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS ).

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE ECM