DTC 83
DTC 83: PCM1. Check the DTC.
Is DTC 86 indicated?
YES - Do the troubleshooting for DTC 86.
NO - Go to step 2.
2. Clear the DTC.
3. Test-drive the vehicle.
Does the TCS and TCS activation indicators come on, and is DTC 83 indicated?
YES - Go to step 4.
NO - The system is OK at this time.
4. Check the PGM-FI system.
Does the MIL indicator come on or are PGM FI or A/T-related DTCs indicated?
YES - Do the troubleshooting for the DTC indicated.
NO - Go to step 5.
5. Check the gear position.
Does the D4 indicator come on while neutral position (N) selected or is PCM's DTC indicated?
YES - Do the troubleshooting for the DTC indicated.
NO - Check for loose terminals of the PCM connectors, and go to step 6.
6. Clear the DTC.
7. Test-drive the vehicle.
Is DTC 83 indicated with no PGM FI- or A/T- related DTCs?
YES - Check for loose PCM terminals. If the terminals are OK, check for loose terminals in the ABS/TCS control unit 47P connector. If necessary, substitute a known-good ABS/TCS modulator control unit, and recheck.
NO - The system is OK at this time.