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TIRE PRESSURE MONITOR MODULE FAILURE (CONTINUED) When Monitored And Set Condition • When Monitored: With the ignition on, the Tire Pressure Monitor (TPM) monitors the tire pressure sensor/trans- • Set Condition: If the Tire Pressure Monitor (TPM) module does not receive a transmission from any of the four POSSIBLE CAUSES NO TIRE PRESSURE SENSOR/TRANSMITTERS TIRE PRESSURE MONITOR MODULE For a complete Tire Pressure Monitor Circuit Diagram (Refer to 22 - TIRES/WHEELS - SCHEMATICS AND DIA- Diagnostic Test 1. INSPECT TIRE PRESSURE SENSOR/TRANSMITTERS Turn the ignition off. Inspect all four vehicle wheels for the Tire Pressure Sensor/Transmitters being present. Do all the wheels have tire pressure sensor/transmitters? Yes >> Go to 2 No >> Install the Tire Pressure Sensor/Transmitters and program module.(Refer to 22 - TIRES/WHEELS/TIRE PRESSURE MONITORING/SENSOR - INSTALLATION) Perform TIRE PRESSURE MONITOR VERIFICATION TEST. 2. PROGRAMMING TIRE PRESSURE MONITOR Turn the ignition on. With the DRB III T and a calibration magnet, program the Tire Pressure Monitor module for all four sensor/transmitters. Disconnect the DRB III T and prepare the vehicle for a road test. Road test the vehicle above 33 km/h (20 MPH) for a minimum of two With the DRB III T read the last 32 transmissions received by the Tire Pressure Monitor. Does the DRB III T display any of the tire pressure transmitter IDs in the last 32 transmissions? Yes >> Repair is complete. Perform TIRE PRESSURE MONITOR VERIFICATION No >> Replace and program the Tire Pressure Monitor module.(Refer to 22 - TIRES/WHEELS/TIRE PRES- SURE MONITORING/MODULE - REMOVAL) Perform TIRE PRESSURE MONITOR VERIFICATION TEST. ZH TIRES/WHEELS - ELECTRICAL DIAGNOSTICS 22 - 5 |