Power Circuit Inspection

■ Open Or Short Check 

1. Ignition "ON" & Engine "OFF".
2. Measure voltage between valve relay power terminal of the HECU harness connector and chassis ground.

   Specification:  Approx. B+

3. 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.