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DTC C1140 [ABS (ABS/TCS)]

id040214874100

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

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | INSPECT ABS (ABS/TCS) HU/CM OPERATION • Perform ABS (ABS/TCS) HU/CM system inspection. (See ABS (ABS/TCS) HU/CM SYSTEM INSPECTION) • Is it normal? | Yes | Go to the 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 the next step.
3 | INSPECT REAR BRAKE DRAGGING • Turn the ignition switch 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 the next step.
No | Go to the next step.
4 | VERIFY TROUBLESHOOTING COMPLETED • Clear the DTC from the memory. (See 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 the next step.
No | Go to the next step.
5 | VERIFY AFTER REPAIR PROCEDURE • Is there any other DTC present? | Yes | Go to the applicable DTC inspection. (See DTC Table.)
No | Troubleshooting completed.