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 > Automatic High Beam System: Parts Location
    PARTS LOCATION ILLUSTRATION *1 NO. 1 INTEGRATION RELAY - H-LP RH RELAY - H-LP LH RELAY *2 HEADLIGHT UNIT ASSEMBLY RH *3 HEADLIGHT UNIT ASSEMBLY LH *4 FORWARD RECOGNITION CAMERA *5 ...

    Toyota CH-R Service Manual > Windshield Deicer System: System Description
    SYSTEM DESCRIPTION GENERAL The windshield deicer thin heater wires are attached to the inside of the windshield glass to help deice the window surface more quickly. The indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minute ...

    Toyota C-HR (AX20) 2023-2025 Owner's Manual

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2025 Copyright www.tochr.net
    0.012