Description of On-Board Diagnostics

ABS/TCS ON-BOARD DIAGNOSIS
On-Board Diagnostic (OBD) Test Description
^ The OBD test inspects the integrity and function of the ABS/TCS and outputs the results when requested by the specific tests.
^ On-board diagnostic test also:
- Provides a quick inspection of the ABS/TCS 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 3 tests:
- Read/clear diagnostic results, PID monitor and record and active command modes.

Read/clear diagnostic results
^ This function allows you to read or clear DTCs in the ABS/TCS HU/CM memory.

PID/Data monitor and record
^ This function allows you to access certain data values, input signals, calculated values, and system status information.

Active command modes
^ This function allows you to control devices through the WDS or equivalent.