RM38N0EC _54 Brake _111818 PARKING BRAKE _0501134 ELECTRIC PARKING BRAKE SYSTEM(for Gasoline Model) C

PARKING BRAKE ELECTRIC PARKING BRAKE SYSTEM(for Gasoline Model) C060B12 Left Electric Parking Brake Actuator Control Circuit Short to Battery

DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory	DTC Output from	Priority	Note
C060B12	Left Electric Parking Brake Actuator Control Circuit Short to Battery	· Diagnosis Condition: Electric parking brake not operating · Malfunction Status: The ECU power supply is normal but there is a malfunction in the electric parking brake actuator LH internal circuit (short to +B). · Detection Time: Approximately 1 second	· Parking brake actuator assembly LH · No. 2 parking brake wire assembly · Wire harness and connector · Skid control ECU (brake actuator assembly)	DTC stored	Brake/EPB	A	An electric parking brake system malfunction is displayed on the multi-information display.

WIRING DIAGRAM

Click hereBrake>PARKING BRAKE>ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model)>C060B00202111,999999,_54,_111818,_0501134,RM100000001Z52R_03,C060B00

PROCEDURE

1.CHECK FOR SHORT TO +B

Pre-procedure1

Turn the ignition switch off.

Make sure the No. 2 parking brake wire assembly is securely installed.

Disconnect the k1 parking brake actuator assembly LH connector.

Procedure1

Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
Click Location & Routing(k1)Location & Routingewd_type=routing;type=c;code=k1 Click Connector(k1)Body>Parking Brake Wire Assy>Parking Brake Actuator Assembly LHewd_type=component;type=c;code=k1;pinno=2,1
k1-2 (LE+) - k1-1 (LE-)	Electric parking brake not operating	Below 1 V

Tester Connection

Condition

Specified Condition

Click Location & Routing(k1)Location & Routingewd_type=routing;type=c;code=k1

Click Connector(k1)Body>Parking Brake Wire Assy>Parking Brake Actuator Assembly LHewd_type=component;type=c;code=k1;pinno=2,1

k1-2 (LE+) - k1-1 (LE-)

Electric parking brake not operating

Below 1 V

Result:

Proceed to
OK
NG

Post-procedure1

None

REPLACE PARKING BRAKE ACTUATOR ASSEMBLY LH

Click hereBrake>PARKING BRAKE>ELECTRIC PARKING BRAKE ACTUATOR>REMOVAL202111,999999,_54,_111818,_0502910,RM100000001ZC3F,

2.CHECK FOR SHORT TO +B

Pre-procedure1

Disconnect the kL1 No. 2 parking brake wire assembly connector.

Procedure1

1.5,0.417 1.917,0.667 0.417,0.25 0.25,0.25 0.583,0.5 0.333,0.25 10 false *a 1.594,0.469 1.896,0.698 0.302,0.229 10 false kL1

*a	Front view of wire harness connector (to No. 2 Parking Brake Wire Assembly)

Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
Click Location & Routing(kL1)Location & Routingewd_type=routing;type=w;code=kL1 Click Connector(kL1)Body>Parking Brake Wire Assy>Parking Brake Wire Assembly LH and No. 2 Floor Wireewd_type=component;type=w;code=kL1;pinno=1,2
kL1-1 - kL1-2	Electric parking brake not operating	Below 1 V

Tester Connection

Condition

Specified Condition

Click Location & Routing(kL1)Location & Routingewd_type=routing;type=w;code=kL1

Click Connector(kL1)Body>Parking Brake Wire Assy>Parking Brake Wire Assembly LH and No. 2 Floor Wireewd_type=component;type=w;code=kL1;pinno=1,2

kL1-1 - kL1-2

Electric parking brake not operating

Below 1 V

Result:

Proceed to
OK
NG

Post-procedure1

None

REPLACE NO. 2 PARKING BRAKE WIRE ASSEMBLY

3.CHECK FOR SHORT TO +B

Pre-procedure1

Disconnect the kL1 No. 2 parking brake wire assembly connector.

Disconnect the A40 skid control ECU (brake actuator assembly) connector.

Procedure1

Measure the voltage according to the value(s) in the table below.

1.896,0.417 2.313,0.667 0.417,0.25 5.125,0.417 5.542,0.667 0.417,0.25 3.26,2.24 2.875,1.688 true 2.167,2.281 2.635,1.698 true 2,0.479 2.458,0.677 0.458,0.198 10 false A40 5.229,0.479 5.688,0.677 0.458,0.198 10 false kL1 0.5,0.75 0.958,1.031 0.458,0.281 10 false *b 0.167,0.167 0.583,0.417 0.417,0.25 10 false *a 4.583,0.75 5.125,0.948 0.542,0.198 10 false *c 1.99,2.323 2.49,2.573 0.5,0.25 10 false MRL- 3.167,2.344 3.667,2.594 0.5,0.25 10 false MRL+

*a	Front view of wire harness connector	*b	(to Skid Control ECU (Brake Actuator Assembly))
*c	(to No. 2 Parking Brake Wire Assembly)	-	-

Standard Voltage:

Tester Connection	Condition	Specified Condition
Click Location & Routing(kL1,A40)Location & Routingewd_type=routing;type=w,c;code=kL1,A40 Click Connector(kL1)Body>Parking Brake Wire Assy>Parking Brake Wire Assembly LH and No. 2 Floor Wireewd_type=component;type=w;code=kL1;pinno=1,2 Click Connector(A40)Engine Compartment>Engine Room Main Wire / Transmission Wire>Brake Actuator Assemblyewd_type=component;type=c;code=A40;pinno=13,12
kL1-1 or A40-13 (MRL+) - Body ground	Always	Below 1 V
kL1-2 or A40-12 (MRL-) - Body ground	Always	Below 1 V

Tester Connection

Condition

Specified Condition

Click Location & Routing(kL1,A40)Location & Routingewd_type=routing;type=w,c;code=kL1,A40

Click Connector(kL1)Body>Parking Brake Wire Assy>Parking Brake Wire Assembly LH and No. 2 Floor Wireewd_type=component;type=w;code=kL1;pinno=1,2

Click Connector(A40)Engine Compartment>Engine Room Main Wire / Transmission Wire>Brake Actuator Assemblyewd_type=component;type=c;code=A40;pinno=13,12

kL1-1 or A40-13 (MRL+) - Body ground

Always

Below 1 V

kL1-2 or A40-12 (MRL-) - Body ground

Always

Below 1 V

Result:

Proceed to
OK
NG

Post-procedure1

None

REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

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REPAIR OR REPLACE HARNESS OR CONNECTOR