Toyota Corolla Cross: Terminals Of Ecu

*a

Front view of wire harness connector

(to Electric Brake Booster (Brake Booster with Master Cylinder Assembly))

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A189-1 (CBKP) - Body ground

Electric brake booster (brake booster with master cylinder assembly) backup power supply input

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A189-2 (CA1H)

CAN communication line 1 (H)

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A189-3

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A189-4 (IGR) - Body ground

IGR power source input

Ignition switch ON

11 to 14 V

A189-5 (STP) - Body ground

Stop light switch assembly input

Stop light switch assembly on → off (Brake pedal depressed → released)

11 to 14 V → Below 1.5 V

A189-6 (SKS1)

Relative displacement sensor (brake booster with master cylinder assembly) 1 signal input

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A189-7 (SKS2)

Relative displacement sensor (brake booster with master cylinder assembly) 2 signal input

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A189-8 (CWKP) - Body ground

Brake control power supply assembly operation signal output

Always

11 to 14 V

A189-9 (CA2H)

CAN communication line 2 (H)

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A189-10

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A189-11 (+BS) - Body ground

Electric brake booster (Brake booster with master cylinder assembly) power supply input

Always

11 to 14 V

A189-12 (CA1L)

CAN communication line 1 (L)

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A189-13

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A189-14

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A189-15

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A189-16

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A189-17 (CTY) - Body ground

Front door courtesy light switch assembly input (for driver side)

Driver door closed → open

11 to 14 V → Below 1.5 V

A189-18 (CA2L)

CAN communication line 2 (L)

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A189-19 (VSK) - Body ground

Relative displacement sensor (brake booster with master cylinder assembly) power supply output

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A189-20

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A189-21 (CLIN) - Body ground

Communication line with brake control power supply assembly

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A189-22

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A189-23

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A189-24

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A189-25 (SKG) - Body ground

Relative displacement sensor (brake booster with master cylinder assembly) ground

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A189-26 (GND) - Body ground

Electric brake booster (Brake booster with master cylinder assembly) ground

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

Below 1 Ω

*a

Front view of wire harness connector

(to skid control ECU (Brake Actuator Assembly))

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-

*2: for Console Box

A151-1 (+BM) - Body ground

ABS motor relay power supply input

Always

11 to 14 V

A151-2

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A151-3

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A151-4 (LBL) - Body ground

Brake fluid level warning switch (Brake master cylinder reservoir assembly) input

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A151-5 (CANH)

CAN communication line 1 (H)

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A151-6 (SKS1)

Brake pedal stroke sensor 1 signal input

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A151-7 (FL-)

Front speed sensor LH (-) signal input

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A151-8

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A151-9

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A151-10

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A151-11 (CA2H)

CAN communication line 2 (H)

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A151-12

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A151-13

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A151-14 (GND2) - Body ground

Skid control ECU (brake actuator assembly) ground 2

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

Below 1 Ω

A151-15

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-

A151-16

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A151-17 (VSK)

Brake pedal stroke sensor assembly power supply output

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A151-18

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A151-19 (CANL)

CAN communication line 1 (L)

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A151-20

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A151-21 (FR+)

Front wheel speed RH (+) power supply output

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A151-22 (RR+)

Rear wheel speed RH (+) power supply output

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A151-23 (RL-)

Rear wheel speed LH (-) signal input

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A151-24 (FL+)

Front wheel speed LH (+) power supply output

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A151-25 (CA2L)

CAN communication line 2 (L)

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A151-26 (FR-)

Front wheel speed RH (-) signal input

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A151-27 (STPO) - Body ground

Stop light control relay (stop light switch assembly) output

Always

11 to 14 V

A151-28

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A151-29 (SKG)

Brake pedal stroke sensor assembly ground

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A151-30 (+BS) - Body ground

ABS solenoid relay power supply

Always

11 to 14 V

A151-31

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A151-32

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A151-33 (SP1)

Speed sensor signal output for meter

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A151-34

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A151-35 (PKB) - Body ground

Electric parking brake switch (Electric parking brake switch assembly) input

Electric parking brake switch (electric parking brake switch assembly) is pushed → released

Below 1 Ω → 10 kΩ or higher

A151-36 (IGR) - Body ground

IGR power source input

Ignition switch ON

11 to 14 V

A151-37 (RR-)

Rear speed sensor RH (-) signal input

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A151-38 (CSW) - Body ground

VSC OFF switch input

VSC OFF switch is pushed → released

Below 1 Ω → 10 kΩ or higher*1

Below 50 Ω → 10 kΩ or higher*2

A151-39 (RL+)

Rear speed sensor LH (+) power supply output

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-

A151-40

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A151-41 (STP) - Body ground

Stop light switch assembly signal input

Stop light switch assembly on → off (Brake pedal depressed → released)

11 to 14 V → Below 1.5 V

A151-42 (SKS2)

Brake pedal stroke sensor 2 signal input

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A151-43 (STP2) - Body ground

Stop light signal input

Stop light switch assembly on → off (Brake pedal depressed → released)

11 to 14 V → Below 1.5 V

A151-44 (HZRI) - Body ground

Brake hold switch (electric parking brake switch assembly) input

Brake hold switch (electric parking brake switch assembly) on → off (Pressed → not pressed)

Below 1 Ω → 10 kΩ or higher

A151-45

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A151-46 (GND1) - Body ground

Skid control ECU (brake actuator assembly) ground 1

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

Below 1 Ω