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 > Continuously Variable Transaxle System: Hydraulic Test
    HYDRAULIC TEST CAUTION: Do not perform a stall test if there are any people or objects near the vehicle. The vehicle could begin moving suddenly, resulting in a serious accident. Do not perform a stall test if any wheel chocks are out of position. The ...

    Toyota CH-R Service Manual > Airbag System: 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 listed in order of probability in the "Suspected Area" column of the table. Check each sy ...

    Toyota C-HR (AX20) 2023-2026 Owner's Manual

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2026 Copyright www.tochr.net
    0.0064