Power Circuit Inspection

■ Open Or Short Check 

1. IG "OFF".
2. Disconnect Brake Lamp Relay (Stop Signal Electronic Module).
3. IG "ON" & ENG "OFF".
4. Measure voltage between power terminal of brake lamp relay (Stop Signal Electronic Module) harness connector and chassis ground.

   Specification:  Approx. B+

5. Is the measured value within specifications?

   YES 

   • Go to "GROUND CIRCUIT INSPECTION " procedure.

   NO 

   • Check for open or blown fuse referring to "Circuit Diagram".
   • Repair open or short in power circuit between battery and HECU harness connector and then, go to "Verification Of Vehicle Repair " procedure.