Toyota Camry (XV70): 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 |
|
| DTC stored |
An electric parking brake system malfunction is displayed on the multi-information display. |
|
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
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(b) Inspect the electric parking brake switch assembly.
Click here
| NG | .gif) | REPLACE ELECTRIC PARKING BRAKE SWITCH ASSEMBLY |
|
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| 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 |
|
| 3. |
CLEAR DTC |
(a) Clear the DTCs.
Chassis > Brake > Clear DTCs(b) Turn the ignition switch off.
|
| 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
|
READ NEXT:
Left Electric Parking Brake Actuator Control (C060B00,C060B11)
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Memory Note
C060B00 Left Electric Parking Brake Actuator Control
Diagnosis Condition:
Left Electric Parking Brake Actuator Control Circuit Short to Battery (C060B12)
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Memory Note
C060B12 Left Electric Parking Brake Actuator Control Circuit Short to Battery
Left Electric Parking Brake Actuator Control Circuit Open (C060B13)
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Memory Note
C060B13 Left Electric Parking Brake Actuator Control Circuit Open
Diagnos
SEE MORE:
VSC OFF Switch Circuit
DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication.
Pressing the VSC OFF switch turns off TRAC operation, and pressing and holding this switch turns off TRAC and VSC operation. If TRAC and VSC operations are turned off, "
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the safety connect system.
*: Use the Techstream.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
HINT
