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).
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 tile MIL indicator come on or is ECM/PCM DTC indicated?
YES - Do the applicable troubleshooting for ECM/ PCM.
NO - Go to step 7.
7. Check the gear position.
Does the D indicator come on while neutral position (N) is selected or is ECM/PCM's DTC indicated?
YES - Do the applicable troubleshooting for 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. Turn the ignition switch OFF, then turn it ON (II).
10. Test-drive the vehicle.
Is DTC 83 indicated and no ECM/PCM's DTC?
YES - Substitute a known-good PCM, and recheck If the code returns, replace the VSA modulator control unit.
NO - The system is OK at this time.