Is DTC 85 indicated?
YES -
Go to step 6.
NO -
The system is OK at this time.?
6. Test-drive the vehicle.
Does the speedometer work?
YES -
Go to step 10.
NO -
Go to step 7.
7. Turn the ignition switch to LOCK (0).
8. Disconnect the TPMS control unit 20P connector See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire
Pressure Module/Service and Repair.
9. Test-drive the vehicle.
Does the speedometer work?
YES -
Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit See:
Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure Module/Service and Repair, and recheck.?
NO -
Turn the ignition switch to LOCK (0), and reconnect all connectors, then check and troubleshoot the fuel and emissions systems See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview.?
10. Turn the ignition switch to LOCK (0).
11. Short the SCS line with the HDS.
12. Disconnect PCM connector A (49P).
13. Disconnect the TPMS control unit 20P connector See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire
Pressure Module/Service and Repair.
14. Check for continuity between the TPMS control unit 20P connector terminals and the PCM connector A (49P) terminals according to the
