Dtc C1125 - Mazda 6 2002 Workshop Manual

ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)
Diagnostic procedure
STEP
1 CHECK FOR PCM FOR DTCs
• Turn ignition key to OFF.
• Connect WDS or equivalent to DLC-2
• Turn ignition key to ON (engine OFF).
• Is DTC for engine control system obtained?
2 MONITOR CAN SIGNAL
• Access PID RPM and TP using WDS or
equivalentI.
• Are engine speed and throttle position within
specification?
3 VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from memory.
(See P–46 Clearing DTCs
• Start engine.
• Is same DTC present?

DTC C1125

End Of Sie
DTC C1125
DETECTION
• Brake fluid level remains low for 5 seconds or more.
CONDITION
POSSIBLE • Decrease in amount of brake fluid
CAUSE • Malfunction of brake fluid level sensor
Diagnostic procedure
STEP
1 CHECK FOR CAN FOR DTCs
• Is any of DTC U1900 and/or U2516 has also
been stored?
2 INSPECT BRAKE FLUID LEVEL
• Inspect brake fluid level.
• Is it okay?
3 INSPECT BRAKE FLUID LEVEL SENSOR
• Turn ignition key to OFF.
• Disconnect brake fluid level sensor
connector.
• Measure resistance between brake fluid
level sensor terminals.
— Brake fluid level above MIN: resistance
about 500 ohms
— Brake fluid level below MIN: resistance
within 0—1 ohm
• Is it okay?
4 VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnected 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
P–80
INSPECTION
Procedures)
Brake fluid level sensor
INSPECTION
Procedures)
Yes Follow inspection procedures for engine control system.
No Go to net step.
Yes Go to net step.
No Follow inspection procedures for engine control system.
Yes Replace DSC HU/CM, then go to net step.
No Go to net step.
Yes Follow inspection procedures for CAN system.
(See T–144 DTC U0073, U1900,
No Go to net step.
Yes Go to net step.
No Add brake fluid to specified level, then go to Step 3.
Yes Go to net step.
No Repair brake fluid level sensor, then go to Net step.
Yes Replace DSC HU/CM, then go to net step.
No Go to net step.
Yes Go to applicable DTC inspection.
No Troubleshooting completed.
ACTION
A6E697367650W10
ACTION
U2516)