Component Inspection
- Ignition "OFF".
- Engine "ON".
- Start and drive vehicle in gear and maintain vehicle speed at or above 10 km/h(6 mph).
- Does warning lamp remain On?
YES
- Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Fault is intermittent caused by open or short of wheel speed sensor harness, inoperative wheel speed sensor. Go to the applicable troubleshooting procedure.