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DTC C2005:07 [ELECTRONICALLY CONTROLLED BRAKE UNIT]

DTC C2005:07 [ELECTRONICALLY CONTROLLED BRAKE UNIT]

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Outline

System malfunction location

Mechanical problem of electric parking brake motor gear unit (RH)
Detection condition
•  The electronically controlled brake unit detects that the electricity consumed by the circuit until the operation control or release control of the electric parking brake motor gear unit (RH) is completed is the specification or more.
Fail-safe
Refer to “DTC Table” and “Fail-safe Function Malfunction Contents Table”. (See DTC TABLE [ELECTRONICALLY CONTROLLED BRAKE UNIT].)
Possible cause
•  Electric parking brake motor gear unit (RH) connector or terminal malfunction
•  Electronically controlled brake unit connector or terminals malfunction
•  Open circuit in electric parking brake motor gear unit (RH) signal circuit
•  Electric parking brake motor gear unit (RH) malfunction
•  Electronically controlled brake unit malfunction


Diagnostic Procedure

Step

Inspection

Results

Action
1
INSPECT ELECTRIC PARKING BRAKE MOTOR GEAR UNIT (RH) CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
2
INSPECT ELECTRONICALLY CONTROLLED BRAKE UNIT CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
3
INSPECT ELECTRIC PARKING BRAKE MOTOR GEAR UNIT (RH) SIGNAL CIRCUIT FOR OPEN CIRCUIT
•  Inspect the applicable circuit for open circuit.
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
4
INSPECT ELECTRIC PARKING BRAKE MOTOR GEAR UNIT (RH) FOR MALFUNCTION DEPENDING ON REPEATABILITY
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the following procedure 3 times or more.
―  Pull up the electric parking brake switch to operate the electric parking brake.
―  Press down the electric parking brake switch to release the electric parking brake.
•  Perform the DTC inspection for the electronically controlled brake unit.
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)
If the CAN communication is normal, replace the malfunctioning location and perform the repair completion verification.
(See ELECTRIC PARKING BRAKE MOTOR GEAR UNIT REMOVAL/INSTALLATION.)
No
Go to repair completion verification 2.
Repair completion verification 1
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the following procedure 3 times or more.
―  Pull up the electric parking brake switch to operate the electric parking brake.
―  Press down the electric parking brake switch to release the electric parking brake.
•  Perform the DTC inspection for the electronically controlled brake unit.
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction recurs, replace the electronically controlled brake unit, then go to the next step.
No
Go to the next step.
Repair completion verification 2
VERIFY IF OTHER DTCs DISPLAYED
•  Perform the DTC inspection.
•  Are any DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.