Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM100000001508L |
Model Year Start: 2018 |
Model: Camry |
Prod Date Range: [06/2017 - 10/2020] |
Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM: C13A6; Open or Short Circuit in Motor; 2018 - 2020 MY Camry [06/2017 - 10/2020] |
DTC
|
C13A6
|
Open or Short Circuit in Motor
|
DESCRIPTION
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
Memory
|
Note
|
C13A6
|
Open or Short Circuit in Motor
|
Parking brake actuator assembly open or short circuit is detected for 0.015 seconds or more.
|
-
Parking brake actuator 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.
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
The electric parking brake may still operate up to 20 seconds after the engine switch is turned off. Before disconnecting connectors or fuses, turn the engine switch off and wait 20 seconds or more.
-
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 engine switch is first turned on (IG).
PROCEDURE
1.
|
READ VALUE USING TECHSTREAM (PERMISSION OF RH INTERLOCKING PKB LOCK / PERMISSION OF LH INTERLOCKING PKB LOCK)
|
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / Electric Parking Brake / Data List.
(f) Read the Data List according to the display on the Techstream.
Chassis > ABS/VSC/TRAC/EPB > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Permission of RH Interlocking PKB Lock
|
Parking brake actuator assembly RH parking brake lock control permission status
|
OK or NG
|
OK
|
-
|
Permission of LH Interlocking PKB Lock
|
Parking brake actuator assembly LH parking brake lock control permission status
|
OK or NG
|
OK
|
-
|
Chassis > ABS/VSC/TRAC/EPB > Data List
Tester Display
|
Permission of RH Interlocking PKB Lock
|
Permission of LH Interlocking PKB Lock
|
NEXT
|
|
|
2.
|
INSPECT PARKING BRAKE WIRE ASSEMBLY
|
*A
|
RH
|
*B
|
LH
|
*a
|
Front view of Parking Brake Wire Assembly
|
*b
|
(to wire harness connector)
|
*c
|
(to Parking Brake Actuator Assembly)
|
-
|
-
|
(a) Remove the parking brake wire assembly.
(b) Check the parking brake wire assembly for damage.
OK:
No damage.
HINT:
If damaged, there may be a short in the wire harness or a short to ground.
(c) Inspect the parking brake wire assembly.
Standard Resistance:
RH
Tester Connection
|
Condition
|
Specified Condition
|
uR2-1 (MRR-) - u1-1 (RE-)
|
Always
|
Below 1 Ω
|
uR2-1 (MRR-) - u1-2 (RE+)
|
Always
|
10 kΩ or higher
|
uR2-1 (MRR-) or u1-1 (RE-) - Body ground
|
Always
|
10 kΩ or higher
|
uR2-2 (MRR+) - u1-2 (RE+)
|
Always
|
Below 1 Ω
|
uR2-2 (MRR+) - u1-1 (RE-)
|
Always
|
10 kΩ or higher
|
uR2-2 (MRR+) or u1-2 (RE+) - Body ground
|
Always
|
10 kΩ or higher
|
LH
Tester Connection
|
Condition
|
Specified Condition
|
vR2-1 (MRL-) - v1-1 (LE-)
|
Always
|
Below 1 Ω
|
vR2-1 (MRL-) - v1-2 (LE+)
|
Always
|
10 kΩ or higher
|
vR2-1 (MRL-) or v1-1 (LE-) - Body ground
|
Always
|
10 kΩ or higher
|
vR2-2 (MRL+) - v1-2 (LE+)
|
Always
|
Below 1 Ω
|
vR2-2 (MRL+) - v1-1 (LE-)
|
Always
|
10 kΩ or higher
|
vR2-2 (MRL+) or v1-2 (LE+) - Body ground
|
Always
|
10 kΩ or higher
|
NG |
|
REPLACE PARKING BRAKE WIRE ASSEMBLY
|
OK
|
|
|
3.
|
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - PARKING BRAKE ACTUATOR ASSEMBLY)
|
(a) Turn the engine switch off.
(b) Make sure the parking brake wire assembly is securely installed.
(c) Disconnect the A34 skid control ECU (brake actuator assembly) connector.
(d) Disconnect the u1 or v1 parking brake actuator assembly connector.
(e) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
RH
Tester Connection
|
Condition
|
Specified Condition
|
A34-2 (MRR+) - u1-2 (RE+)
|
Always
|
Below 1 Ω
|
A34-3 (MRR-) - u1-1 (RE-)
|
Always
|
Below 1 Ω
|
A34-2 (MRR+) or u1-2 (RE+) - Body ground
|
Always
|
10 kΩ or higher
|
A34-3 (MRR-) or u1-1 (RE-) - Body ground
|
Always
|
10 kΩ or higher
|
LH
Tester Connection
|
Condition
|
Specified Condition
|
A34-13 (MRL+) - v1-2 (LE+)
|
Always
|
Below 1 Ω
|
A34-12 (MRL-) - v1-1 (LE-)
|
Always
|
Below 1 Ω
|
A34-13 (MRL+) or v1-2 (LE+) - Body ground
|
Always
|
10 kΩ or higher
|
A34-12 (MRL-) or v1-1 (LE-) - Body ground
|
Always
|
10 kΩ or higher
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
4.
|
INSPECT PARKING BRAKE ACTUATOR ASSEMBLY
|
(a) Inspect the parking brake actuator assembly.
Click here
|