RM38T0EC _54 Brake _112607 PARKING BRAKE _0608079 ELECTRIC PARKING BRAKE SYSTEM(for HEV Model) C

PARKING BRAKE  ELECTRIC PARKING BRAKE SYSTEM(for HEV Model)  C060B13  Left Electric Parking Brake Actuator Control Circuit Open  


DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
C060B13 Left Electric Parking Brake Actuator Control Circuit Open
·

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 (open).

·

Detection Time:

Approximately 0.015 to 0.195 seconds (depending on each malfunction)


·

Parking brake actuator assembly LH

·

No. 2 parking brake wire assembly

·

Wire harness or connector

·

Skid control ECU (brake actuator assembly)


DTC stored An electric parking brake system malfunction is displayed on the multi-information display.

CAUTION / NOTICE / HINT

NOTICE:
·

The electric parking brake may still operate up to 4 minutes after the ignition switch is turned off. Before disconnecting connectors or fuses, turn the ignition switch off and wait 4 minutes or more.

·

After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and store system information memorization.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model)>UTILITY

·

When replacing the skid control ECU (brake actuator assembly), operate the electric parking brake switch (electric parking brake switch assembly) as the parking brake indicator light blinks (red) when the ignition switch is first turned ON.



PROCEDURE

1.INSPECT NO. 2 PARKING BRAKE WIRE ASSEMBLY
a.

Turn the ignition switch off.


b.

Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.



c.

Disconnect the nO3 and n1 No. 2 parking brake wire assembly connectors.


d.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



e.

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

C339684C58
1.75,0.25 2.167,0.5 0.417,0.25 4.969,0.333 5.385,0.583 0.417,0.25 5.906,2.156 5.438,1.677 true 4.49,2.135 5,1.688 true 1.823,0.281 2.281,0.479 0.458,0.198 10 false nO3 5.094,0.375 5.552,0.573 0.458,0.198 10 false n1 1.917,2.26 2.375,2.458 0.458,0.198 10 false *b 0.156,0.125 0.615,0.323 0.458,0.198 10 false *a 5.146,2.229 5.604,2.427 0.458,0.198 10 false *c 4.292,2.135 4.75,2.333 0.458,0.198 10 false MRL- 5.771,2.156 6.229,2.354 0.458,0.198 10 false MRL+
*a Front view of No. 2 Parking Brake Wire Assembly *b (to wire harness connector)
*c (to Parking Brake Actuator Assembly LH) - -


Standard Resistance:
Tester Connection Condition Specified Condition
nO3-1 - n1-2 (MRL+) Always Below 1 Ω
nO3-1 - Other terminals Always 10 kΩ or higher
nO3-2 - n1-1 (MRL-) Always Below 1 Ω
nO3-2 - Other terminals Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

2.CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - PARKING BRAKE ACTUATOR ASSEMBLY LH)

NG

REPLACE NO. 2 PARKING BRAKE WIRE ASSEMBLY

2.CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - PARKING BRAKE ACTUATOR ASSEMBLY LH)
a.

Turn the ignition switch off.


b.

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


c.

Disconnect the A151 skid control ECU (brake actuator assembly) connector.


d.

Disconnect the n1 parking brake actuator assembly LH connector.


e.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A151-13 (MRL+) - n1-2 (MRL+) Always Below 1 Ω
A151-12 (MRL-) - n1-1 (MRL-) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.INSPECT PARKING BRAKE ACTUATOR ASSEMBLY LH

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR