Toyota CH-R Service Manual: Terminals Of Ecu

Toyota CH-R Service Manual / Parking Brake / Electric Parking Brake System / 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 > Power Window Control System: Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch
    DESCRIPTION If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode. If power window initialization has not been performed, the auto up and down functions will not operate. Click here WIRING ...

    Toyota CH-R Service Manual > Airbag System: Seat Position Airbag Sensor Circuit Malfunction (B1653/35)
    DESCRIPTION The seat position airbag sensor circuit consists of the airbag sensor assembly and seat position airbag sensor. DTC B1653/35 is stored when a malfunction is detected in the seat position airbag sensor circuit. DTC No. Detection Item DTC Detection C ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2025 Copyright www.tochr.net
    0.0119