Displaying & Reading Trouble Codes
TIRE PRESSURE MONITORING SYSTEM (TPMS) ON-BOARD DIAGNOSISOn-Board Diagnostic (OBD) Test Description
^ The OBD test inspects the integrity and function of the TPMS and outputs the results when requested by the specific tests.
^ On-board diagnostic test also:
- Provides a quick inspection of the TPMS usually performed at the start of each diagnostic procedure.
- Provides verification after repairs to ensure that no other faults occurred during service.
^ The OBD test is divided into 2 tests:
- Read/clear diagnostic results and PID monitor.
Read/clear diagnostic results
^ This function allows you to read or clear DTCs in the TPMS control module memory.
PID/Data monitor and record
^ This function allows you to access certain data values, input signals, calculated values, and system status information.
Reading DTCs Procedure
1. Connect the WDS or equivalent to the vehicle DLC-2 connector.
2. Retrieve DTCs using the WDS or equivalent.
Clearing DTCs Procedure
1. After repairs have been made, perform the Reading DTCs Procedure.
2. Erase DTCs using the WDS or equivalent.
3. Ensure that the customer's concern has been resolved.
PID/Data Monitor and Record Procedure
1. Connect the WDS or equivalent to the vehicle DLC-2 connector.
2. Access and monitor PIDs using the WDS or equivalent.