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. |
|
DTC stored |
An electric parking brake system malfunction is displayed on the multi-information display. |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (PERMISSION OF RH INTERLOCKING PKB LOCK / PERMISSION OF LH INTERLOCKING PKB LOCK) |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(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 |
- |
- |
Permission of LH Interlocking PKB Lock |
Parking brake actuator assembly LH parking brake lock control permission status |
OK or NG |
- |
- |
Tester Display |
---|
Permission of RH Interlocking PKB Lock |
Permission of LH Interlocking PKB Lock |
|
2. |
INSPECT PARKING BRAKE WIRE ASSEMBLY |
*a |
Front view of Parking Brake Wire Assembly |
*b |
(to wire harness connector) |
*c |
(to Parking Brake Actuator Assembly) |
*d |
for RH |
*e |
for LH |
- |
- |
(a) Remove the parking brake wire assembly.
Click here
(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:
for RH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
dM3-2 (MRR-) - d2-1 (MRR-) |
Always |
Below 1 Ω |
dM3-2 (MRR-) - d2-2 (MRR+) |
Always |
10 kΩ or higher |
dM3-2 (MRR-) or d2-1 (MRR-) - Body ground |
Always |
10 kΩ or higher |
dM3-1 (MRR+) - d2-2 (MRR+) |
Always |
Below 1 Ω |
dM3-1 (MRR+) - d2-1 (MRR-) |
Always |
10 kΩ or higher |
dM3-1 (MRR+) or d2-2 (MRR+) - Body ground |
Always |
10 kΩ or higher |
Tester Connection |
Condition |
Specified Condition |
---|---|---|
eM3-2 (MRL-) - e2-1 (MRL-) |
Always |
Below 1 Ω |
eM3-2 (MRL-) - e2-2 (MRL+) |
Always |
10 kΩ or higher |
eM3-2 (MRL-) or e2-1 (MRL-) - Body ground |
Always |
10 kΩ or higher |
eM3-1 (MRL+) - e2-2 (MRL+) |
Always |
Below 1 Ω |
eM3-1 (MRL+) - e2-1 (MRL-) |
Always |
10 kΩ or higher |
eM3-1 (MRL+) or e2-2 (MRL+) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPLACE PARKING BRAKE WIRE ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - PARKING BRAKE ACTUATOR ASSEMBLY) |
(a) Turn the ignition switch off.
(b) Make sure the parking brake wire assembly is securely installed.
(c) Disconnect the A42 skid control ECU (brake actuator assembly) connector.
(d) Disconnect the d2*1 or e2*2 parking brake actuator assembly connector.
(e) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for RH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-2 (MRR+) - d2-2 (MRR+) |
Always |
Below 1 Ω |
A42-3 (MRR-) - d2-1 (MRR-) |
Always |
Below 1 Ω |
A42-2 (MRR+) or d2-2 (MRR+) - Body ground |
Always |
10 kΩ or higher |
A42-3 (MRR-) or d2-1 (MRR-) - Body ground |
Always |
10 kΩ or higher |
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-13 (MRL+) - e2-2 (MRL+) |
Always |
Below 1 Ω |
A42-12 (MRL-) - e2-1 (MRL-) |
Always |
Below 1 Ω |
A42-13 (MRL+) or e2-2 (MRL+) - Body ground |
Always |
10 kΩ or higher |
A42-12 (MRL-) or e2-1 (MRL-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT PARKING BRAKE ACTUATOR ASSEMBLY |
(a) Inspect the parking brake actuator assembly.
Click here
OK | ![]() |
REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) |
NG | ![]() |
REPLACE PARKING BRAKE ACTUATOR ASSEMBLY |
Toyota CH-R Service Manual > Steering Lock System: Steering Lock does not Lock
DESCRIPTION
The steering lock actuator or upper bracket assembly activates the steering lock
motor and moves the lock bar into the steering column to lock the steering.
When the steering lock is operating, the steering may not lock when the lock
bar is not aligned with the lock hole of the ste ...
Toyota CH-R Service Manual > Brake Fluid: Components
COMPONENTS
ILLUSTRATION
*A
for TMC Made
-
-
*1
CENTER NO. 1 COWL TOP VENTILATOR LOUVER
*2
BRAKE MASTER CYLINDER RESERVOIR CAP ASSEMBLY
*3
FRONT DISC BRAKE BLEEDER PLUG
...