DTC 83

DTC 83: ECM/PCM
1. Check the DTC.
Is DTC 86 indicated?
YES - Do the troubleshooting for DTC 86.
NO - Go to step 2.
2. Clear the DTC using the HDS.
3. Disconnect the HDS from the 16P DLC.
4. Turn the ignition switch OFF, then turn it ON (II) again.
5. Test-drive the vehicle.
Do the VSA and VSA activation indicators come on, and is DTC 83 indicated?
YES - Go to step 6.
NO - The system is OK at this time.
6. Check the PGM-FI system.
Does the MIL indicator come on or is the ECM/ PCM's DTC indicated?
YES - Do the applicable troubleshooting for the ECM/PCM.
NO - Go to step 7.
7. Check the gear position.
Does the D4 indicator come on while neutral position (N) is selected or is the ECM/PCM's DTC indicated?
YES - Do the applicable troubleshooting for the ECM/PCM.
NO - Check for loose terminals at the ECM/PCM connectors, and go to step 8.
8. Clear the DTC using the HDS.
9. Disconnect the HDS from the 16P DLC.
10. Turn the ignition switch OFF, then turn it ON again.
11. Test-drive the vehicle.
Is DTC 83 indicated? and no ECM/PCM's DTC?
YES - Replace the VSA modulator-control unit.
NO - The system is OK at this time.