DTC 83

DTC 83: 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 PCM's DTC indicated?
YES - Do the applicable troubleshooting for PCM.
NO - Go to step 7.
7. Check the gear position.
Does the D indicator come on while N position is selected or is PCM's DTC indicated?
YES - Do the applicable troubleshooting for 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, then turn it ON (II) again.
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, replace the VSA modulator control unit.
NO - The system is OK at this time.