3.
Does warning lamp remain On?
YES
a.
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
a.
Fault is intermittent caused by open or short of steering wheel angle sensor harness and/or faulty steering wheel angle sensor or was repaired and HECU memory was not cleared. Go to the applicable troubleshooting procedure.
