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) |
- |
- |
Toyota CH-R Service Manual > Air Conditioning Pressure Sensor: Installation
INSTALLATION
PROCEDURE
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Toyota CH-R Service Manual > Pre-collision System: Yaw Rate Sensor (C1A46)
DESCRIPTION
The millimeter wave radar sensor assembly receives yaw rate and acceleration
sensor (airbag sensor assembly) signals from the airbag sensor assembly and skid
control ECU (brake actuator assembly) via CAN communication. If the millimeter wave
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