Mazda 6 2002, Руководство по ремонту

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ON-BOARD DIAGNOSTIC (ABS/TCS)
P–55
P
Diagnostic procedure
End Of Sie
DTC C1140
A6E697567650W09
Caution
•
When attaching the tester lead to the ABS (ABS/TCS) HU/CM harness connector, the SST (49 G066
001) must be used. (See
P–29 ABS (ABS/TCS) HU/CM INSPECTION .)
Diagnostic procedure
STEP INSPECTION ACTION
1 CHECK FOR CAN FOR DTCs
•
If any of DTC U1900 and/or U2516 has also
been stored?
Yes Follow inspection procedures for CAN system.
See
T–144 DTC U0073, U1900, U2516
No Go to next step.
2 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?
Yes Follow inspection procedures for engine control system.
No Go to next step.
3 VERIFY TROUBLESHOOTING COMPLETED
•
Make sure to reconnect all disconnected
connectors.
•
Clear DTC from memory.
(See
P–46 Clearing DTCs Procedures
•
Start engine.)
•
Is same DTC present?
Yes Replace DSC HU/CM, then go to next step.
No Go to next step.
4 VERIFY AFTER REPAIR PROCEDURE
•
Is there any other DTC present?
Yes Go to applicable DTC inspection.
No Troubleshooting completed.
DTC C1140 ABS (ABS/TCS) HU/CM (pump)
DETECTION
CONDITION
Right front and left rear wheels, or left front and right rear wheel-lock is detected during ABS (ABS/TCS)
operation.
POSSIBLE
CAUSE
Stuck pump motor in ABS (ABS/TCS) HU/CM
STEP INSPECTION ACTION
1 INSPECT ABS (ABS/TCS) HU/CM
OPERATION
•
Perform ABS (ABS/TCS) HU/CM system
inspection.
(See
P–27 ABS (ABS/TCS) HU/CM
SYSTEM INSPECTION )
•
Is it okay?
Yes Go to next step.
No Replace ABS (ABS/TCS) HU/CM, then go to Step 4.
2 INSPECT CONVENTIONAL BRAKE
OPERATION
•
Inspect brake fluid level.
•
Start engine.
•
Perform a road test to verify conventional
vehicle braking performance.
•
Is there any concern.
Yes Inspect conventional brake line, then go to Step 4.
No Go to next step.
3 INSPECT REAR BRAKE DRAGGING
•
Turn ignition key to OFF.
•
Jack-up vehicle and support it with safety
stand.
•
Release parking brake.
•
Turn rear wheel by hand and inspect for rear
brake drag.
•
Is rear brake dragging?
Yes Repair parking brake system, then go to next step.
No Go to next step.
4 VERIFY TROUBLESHOOTING COMPLETED
•
Clear DTC from memory.
(See
P–46 Clearing DTCs Procedures )
•
Start engine and drive vehicle at 10 km/h
{6.2 mph} or above at least one minute.
•
Gradually slow down vehicle and stop.
•
Is same DTC present?
Yes Replace ABS (ABS/TCS) HU/CM, then go to next step.
No Go to next step.
5 VERIFY AFTER REPAIR PROCEDURE
•
Is there any other DTC present?
Yes Go to applicable DTC inspection.
No Troubleshooting completed.