On-Board Diagnostic (Abs/Tcs - Mazda 6 2002 Workshop Manual

ABS (ABS/TCS) ON-BOARD DIAGNOSIS
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On-Board Diagnostic (OBD) Test Description
• The OBD test inspects the integrity and function of the ABS (ABS/TCS) and outputs the results when
requested by the specific tests.
• On-board diagnostic test also:
— Provides a quick inspection of the ABS (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 (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.
Reading DTCs Procedure
1. Connect WDS or equivalent to the vehicle DLC-2
16-pin connector.
2. Retrieve DTC by WDS or equivalent.
Clearing DTCs Procedures
1. After repairs have been made, perform the DTCs reading procedure.
2. Erase DTC by WDS or equivalent.
3. Ensure that the customer’s concern has been resolved.
PID/Data Monitor and Record Procedure
1. Connect WDS or equivalent to the vehicle DLC-2
16-pin connector.
2. Access and monitor PIDs by WDS or equivalent.
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ON-BOARD DIAGNOSTIC (ABS/TCS)

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