On-Board Diagnostic (OBD) Test Description
- 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.
- Read/clear diagnostic results, PID monitor and record and active command modes.
Read/clear diagnostic results
PID/data monitor and record
Active command modes
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 customers 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.
Active Command Modes Procedure
Note
1. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector.
2. Turn the ignition switch to ON (Engine OFF) or start engine.
3. Activate active command modes using WDS or equivalent.
DTC Table
PID/DATA Monitor Table
Acrive Command Mode
Mazda 6 Service Manual: Three-way catalytic converter (twc) inspection
Note
Make sure that no HO2S DTCs have been detected. If detected, this
inspection is not applicable for TWC inspection.
1. Connect the WDS or equivalent and monitor PIDs as following.
Monitor the right TWC using O2S11 PID for upstream HO2S and O2S12 PID
for downstream HO2S.
2. Be ...
Mazda 6 Service Manual: Wheel hub, steering knuckle removal/installation
Caution
Performing the following procedures without first removing the ABS
wheel-speed sensor may possibly cause an open circuit in the harness if it
is pulled by mistake. Before performing the following procedures, remove the
ABS wheel-speed sensor (axle side) and fix it to an appropri ...