Toyota Camry owners & service manuals

Toyota Camry (XV70): Electric Parking Brake Switch Signal Compare Failure (C060962)

Toyota Camry Repair Manual XV70 (2018-2024) / Brake / Parking Brake / Electric Parking Brake System / Electric Parking Brake Switch Signal Compare Failure (C060962)

DESCRIPTION

When the electric parking brake switch is pulled, a lock request signal is sent from the skid control ECU (brake actuator assembly) to the parking brake actuator assembly. When the electric parking brake switch is pushed, a release request signal is sent from the skid control ECU (brake actuator assembly) to the parking brake actuator assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

C060962

Electric Parking Brake Switch Signal Compare Failure
  • Open or short detected in parking brake switch circuit for 1 second or more
  • Stuck parking brake switch detected (when parked: 30 seconds, when driving: 1 second, during engine stall: 1 second)
  • Stuck parking brake switch detected 3 times in succession when being operated
  • Electric parking brake switch 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.
DTC Detection Conditions: C060962
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Diagnosis Condition

Vehicle is stopped

-

-

○

-

-

-

Vehicle is being driven

-

-

-

○

-

-

During initial check

-

-

-

-

○

-

Parking brake switch is being operated

-

-

-

-

-

○

Malfunction Status

Open detected in parking brake switch circuit

○

-

-

-

-

-

Short detected in parking brake switch circuit

-

○

-

-

-

-

Stuck parking brake switch detected

-

-

○

○

○

○

Detection Time

1 second or more

1 second or more

30 seconds or more

1 second or more

1 second or more

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

3 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

If the electric parking brake switch is held near the lock position but not fully in the lock position for 1 second or more, a DTC may be stored due to one of the two contacts being ON while the other is OFF. (This is not a system malfunction.)

PROCEDURE

1.

INSPECT ELECTRIC PARKING BRAKE SWITCH ASSEMBLY

(a) Remove the electric parking brake switch assembly.

Click here

(b) Inspect the electric parking brake switch assembly.

Click here

NG

REPLACE ELECTRIC PARKING BRAKE SWITCH ASSEMBLY

OK

2.

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - ELECTRIC PARKING BRAKE SWITCH ASSEMBLY)

(a) Disconnect the K37 electric parking brake switch assembly connector.

(b) Disconnect the A34 skid control ECU (brake actuator assembly) connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

A34-31 (SWI1) - K37-9 (SWI1)

Always

Below 1 Ω

A34-32 (SWO1) - K37-10 (SWO1)

Always

Below 1 Ω

A34-15 (SWI2) - K37-1 (SWI2)

Always

Below 1 Ω

A34-16 (SWO2) - K37-2 (SWO2)

Always

Below 1 Ω

A34-31 (SWI1) or K37-9 (SWI1) - Body ground

Always

10 kΩ or higher

A34-32 (SWO1) or K37-10 (SWO1) - Body ground

Always

10 kΩ or higher

A34-15 (SWI2) or K37-1 (SWI2) - Body ground

Always

10 kΩ or higher

A34-16 (SWO2) or K37-2 (SWO2) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

3.

CLEAR DTC

(a) Clear the DTCs.

Chassis > Brake > Clear DTCs

(b) Turn the ignition switch off.

NEXT

4.

CHECK DTC

(a) Check for DTCs.

Chassis > Brake > Trouble Codes

Result

Proceed to

DTCs are output

A

DTCs are not output

B
A

REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

B

USE SIMULATION METHOD TO CHECK

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