DTC 83
DTC 83: ECM/PCM1. 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. Turn the ignition switch OFF.
4. Disconnect the HDS from the 16P DLC.
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. Refer to intermittent failures.
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 -
^ A/T: Go to step 7.
^ M/T: Check for loose terminals at the ECM connectors, and go to step 8.
7. Check the A/T gear position indicator (A/T).
Does the D indicator blink or, is the PCM's DTC indicated?
YES - Do the applicable troubleshooting for the PCM.
NO - Check for loose terminals at the PCM connectors, and go to step 8.
8. Clear the DTC using the HDS.
9. Turn the ignition switch OFF.
10. Disconnect the HDS from the 16P DLC.
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. Refer to intermittent failures.