Toyota CH-R Service Manual: Terminals Of Ecu
TERMINALS OF ECU
CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
|
*a |
Component without harness connected (Skid Control ECU (Brake Actuator Assembly)) |
- |
- |
(a) Disconnect the A42 skid control ECU (brake actuator assembly) connectors.
(b) Measure the voltage and resistance according to the value (s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
A42-30 (+BS) - Body ground |
W |
Parking brake motor (parking brake actuator assembly) power supply |
Always |
11 to 14 V |
|
A42-36 (IG1) - Body ground |
B |
IG power supply |
Ignition switch ON |
11 to 14 V |
|
A42-46 (GND1) - Body ground |
W-B |
Ground |
Always |
Below 1 Ω |
|
A42-14 (GND2) - Body ground |
W-B |
Ground |
Always |
Below 1 Ω |
|
A42-2 (MRR+) - Body ground |
B |
Parking brake motor RH (parking brake actuator assembly RH) (+) |
- |
- |
|
A42-3 (MRR-) - Body ground |
B |
Parking brake motor RH (parking brake actuator assembly RH) (-) |
- |
- |
|
A42-13 (MRL+) - Body ground |
R |
Parking brake motor LH (parking brake actuator assembly LH) (+) |
- |
- |
|
A42-12 (MRL-) - Body ground |
L |
Parking brake motor LH (parking brake actuator assembly LH) (-) |
- |
- |
|
A42-35 (POL) - Body ground |
V |
Electric parking brake switch indicator light |
- |
- |
|
A42-31 (SWI1) - Body ground |
B |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A42-15 (SWI2) - Body ground |
LG |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A42-32 (SWO1) - Body ground |
P |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
|
A42-16 (SWO2) - Body ground |
L |
Electric parking brake switch (electric parking brake switch assembly) |
- |
- |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC AND FREEZE FRAME DATA (USING TECHSTREAM)
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Tec ...
Other materials:
Toyota CH-R Service Manual > Electric Parking Brake System: Electric Parking Brake does not Operate
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following inspection procedure.
The electric parking brake may still operate up to 20 seconds after
the ignition switch is turned off. Before disconnect ...
Toyota CH-R Service Manual > Electric Parking Brake System: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
HINT:
When a DTC is stored, the freeze frame data stores the current vehicle
(sensor) state as.
The freeze frame data cannot be cleared or updated until the recorded
DTCs are cleared.
Chassis > ABS/VSC/TRAC/EPB
Tester D ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
- Introduction
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