Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Terminals Of Ecu

TERMINALS OF ECU

CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

*a

Front view of wire harness connector

(to Skid Control ECU (Brake Actuator Assembly))

-

-

(a) Disconnect the A151 skid control ECU (brake actuator assembly) connector.

(b) Measure the voltage and resistance according to the value (s) in the table below.

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

A151-30 (+BS) - Body ground

Parking brake motor power supply

Always

11 to 14 V

A151-36 (IGR) - Body ground

IG power supply

Ignition switch ON

10.5 to 16 V

A151-46 (GND1) - Body ground

Ground

1 minute or more after disconnecting the cable from the negative (-) auxiliary battery terminal

Below 1 Ω

A151-14 (GND2) - Body ground

Ground

1 minute or more after disconnecting the cable from the negative (-) auxiliary battery terminal

Below 1 Ω

A151-2 (MRR+) - Body ground

Parking brake motor RH (parking brake actuator assembly RH) (+)

-

-

A151-3 (MRR-) - Body ground

Parking brake motor RH (parking brake actuator assembly RH) (-)

-

-

A151-13 (MRL+) - Body ground

Parking brake motor LH (parking brake actuator assembly LH) (+)

-

-

A151-12 (MRL-) - Body ground

Parking brake motor LH (parking brake actuator assembly LH) (-)

-

-

A151-18 (POL) - Body ground

Electric parking brake switch indicator light

-

-

A151-31 (SWI1) - Body ground

Electric parking brake switch (electric parking brake switch assembly)

-

-

A151-32 (SWO1) - Body ground

Electric parking brake switch (electric parking brake switch assembly)

-

-

A151-15 (SWI2) - Body ground

Electric parking brake switch (electric parking brake switch assembly)

-

-

A151-16 (SWO2) - Body ground

Electric parking brake switch (electric parking brake switch assembly)

-

-

A151-5 (CANH) - Body ground

CAN communication line H

-

-

A151-19 (CANL) - Body ground

CAN communication line L

-

-

A151-11 (CA2H)

CAN communication line 2 (H)

-

-

A151-25 (CA2L)

CAN communication line 2 (L)

-

-

    READ NEXT:

     Freeze Frame Data

    FREEZE FRAME DATA FREEZE FRAME DATA HINT: When a DTC is stored, the freeze frame data stores the current vehicle (sensor) state. The freeze frame data cannot be cleared or updated until t

     Fail-safe Chart

    FAIL-SAFE CHART DTC Trouble Area Parking Brake Indicator Light (Red) Brake System Warning Light (Yellow Indicator) Fail-safe Deactivation Condit

     Data List / Active Test

    DATA LIST / ACTIVE TEST READ DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when d

    SEE MORE:

     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 SPARK PLUG 19100P - - 2 IGNITION COIL ASSEMBLY 19500 - - 3 PERFORM INITIALIZATION - - -

     Engine (ignition) switch (vehicles without a smart key system)

    Starting the engine 1. Check that the parking brake is set. 2. Check that the shift lever is in P. Do not press the shift lever button after shifting the shit position to P. 3. Firmly depress the brake pedal. 4. Turn the engine switch to START to start the engine. ■If the engine does not start

    © 2020-2024 Copyright www.tcorollacross.com