Ignition "OFF".
Ignition "ON".
Connect scantool and select "Diagnostic Trouble Codes(DTCs)" mode
Using a scantool, Clear DTC.
Operate the vehicle within DTC Detecting Condition in General Information.
Select "Diagnostic Trouble Codes(DTCs)" mode again.
Are any DTCs present ?
YES
1)Substitute with a known-good Yaw Rate & Lateral G sensor and check for proper operation. If problem is corrected, replace Yaw Rate & Lateral G sensor and then go to "Verification of Vehicle Repair" procedure.
2)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 poor connection in sensor cluster harness or faulty sensor cluster.
Go to "Verification of Vehicle Repair" procedure.