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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
C10B977Parking brake system
(Parking brake system)
Diagnosis conditionWhen parking brake is apply or release
Signal (terminal)—
ThresholdWhen a electric parking brake system is malfunctioning.
Diagnosis delay time1 second or less
 
 
POSSIBLE CAUSE
noteConfirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.
PAST DTCCRNT DTC
  • Harness or connector
  • Parking brake actuator
  • Rear brake caliper assembly
  • Harness or connector
  • Parking brake actuator
  • Rear brake caliper assembly
  • ABS actuator and electric unit (control unit)
 
 
FAIL-SAFE
The following functions are suspended.
  • Electric parking brake function
  • hill start assist function
 
 
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.
: .
 
2.CHECK DTC DETECTION
With M.U.T.-III SE
  1. Ignition switch OFF (Auto ACC function OFF) to ON.
  2. Push the parking brake switch.
    caution
    • Set the electric shift selector in the P position.
    • Depress the brake pedal.
  3. Pull the parking brake switch.
  4. Perform self-diagnosis for "ABS".
Is DTC "C10B9-77" detected?
-1"Active DTC" is displayed: Refer to Diagnosis Procedure.
-2"Stored DTC" is displayed: INSPECTION END (Erase the memory of self-diagnosis results.)
-1To check malfunction symptom before repair: Refer to Intermittent Incident Intermittent Incident.
-2Confirmation after repair: INSPECTION END