Mazda 6 2002 Workshop Manual page 632

ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)
Diagnostic procedure
STEP
1 INSPECT DSC HU/CM TO BRAKE SWITCH
FOR OPEN CIRCUIT
• Turn ignition key to OFF.
• Disconnect DSC HU/CM and brake switch
connector
• Inspect continuity DSC HU/CM terminal L
and brake switch
• Is there continuity?
2 INSPECT DSC HU/CM TO BRAKE SWITCH
FOR SHORT TO GROUND
• Turn ignition key to OFF.
• Inspect continuity DSC HU/CM terminal L
and ground
• Is there continuity?
3 INSPECT BRAKE SWITCH
• Inspect bake switch.
• Is it okay?
4 VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from memory.
(See P–46 Clearing DTCs
• Is same DTC present?
5 VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
End Of Sie
INSPECTION
Procedures)
Yes Go to net step.
No Repair or replace harness for open circuit between DSC
HU/CM and brake switch, then go to net step.
Yes Repair or replace harness for open circuit between DSC
HU/CM and brake switch, then go to net step.
No Go to net step.
Yes Go to net step.
No Replace bake switch, then go to net step.
Yes Replace bake switch, then go to net step.
No Go to net step.
Yes Go to applicable DTC inspection.
No Troubleshooting completed.
ACTION
P–75
P