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 > Wireless Door Lock Control System(w/o Smart Key System): Terminals Of Ecu
TERMINALS OF ECU
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK
BODY ECU)
*A
Main Body ECU (Multiplex Network Body ECU) with 2 Connectors
-
-
*1
Main Body ECU (Multiplex Network Body EC ...
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION
This DTC is stored when items controlled by the certification ECU (smart key
ECU assembly) cannot be customized via the audio and visual system vehicle customization
screen.
HINT:
The certification ECU (smart key ECU assembly) controls the smart key system
related items that are ...