VSA System
DTC 83: ECM/PCM1. Turn the ignition switch ON (II).
2. Check for the DTCs with the HDS.
Is DTC 86 indicated?
YES - Do the troubleshooting for DTC 86. DTC 86
NO - Go to step 3.
3. Clear the DTC with the HDS.
4. Turn the ignition switch OFF, then disconnect the HDS.
5. Test-drive the vehicle.
6. Check for DTCs with the HDS.
Is DTC 83 indicated?
YES - Go to step 7.
NO - The system is OK at this time. Refer to intermittent failures.
7. Check for the fuel and emission systems (PGM-FI) DTCs with the HDS.
Are any ECM/PCM DTCs indicated?
YES - Do the applicable troubleshooting for the ECM/PCM.
NO -
^ A/T: Go to step 8.
^ M/T: Check for loose terminals at the ECM connectors, and go to step 9.
8. Check for the A/T systems DTCs with the HDS.
Are any ECM/PCM DTCs indicated?
YES - Do the applicable troubleshooting for the PCM.
NO - Check for loose terminals at the PCM connectors, and go to step 9.
9. Clear the DTC with the HDS.
10. Turn the ignition switch OFF, then disconnect the HDS.
11. Test-drive the vehicle.
12. Check the VSA system and fuel and emission systems (PGM-FI) for DTCs with the HDS.
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.