VSA System
DTC 83: PCM1. Check the DTC.
Is DTC 86 indicated?
YES - Do the troubleshooting for DTC 86. 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. Refer to intermittent failures.
6. Check the PGM-FI system.
Does the MIL indicator come on or is a PCM DTC indicated?
YES - Do the applicable troubleshooting for the PGM-FI system DTC.
NO - Go to step 7.
7. Check the gear position indicator.
Does the D indicator come on while neutral position (N) is selected or is a PCM DTC indicated?
YES - Do the applicable troubleshooting for the A/T system.
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, then turn it ON (II).
10. Test-drive the vehicle.
Is DTC 83 indicated and no PCM's DTC?
YES - Substitute a known-good PCM, and recheck. If the code returns, check for loose terminals or poor connections at the VSA modulator-control unit 47P connector. If connections are good, replace the VSA modulator-control unit, and recheck.
NO - The system is OK at this time. Refer to intermittent failures.