Toyota Corolla Cross: Terminals Of Ecu

*a

Front view of wire harness connector

(to Skid Control ECU (Brake Actuator Assembly))

-

-

A151-1 (+BM) - Body ground

ABS motor relay power supply

Always

11 to 14 V

A151-2

-

-

-

A151-3

-

-

-

A151-4 (STP) - Body ground

Stop light switch assembly signal input

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

11 to 14 V → 1.5 V or less

A151-5 (CANH)

CAN communication line H

-

-

A151-6

-

-

-

A151-7 (FL-)

Front wheel speed LH (-) signal input

-

-

A151-8

-

-

-

A151-9

-

-

-

A151-10 (FSW+)*

Brake pedal load sensing switch (brake pedal support assembly) input

Brake pedal depressed → released

950 to 1050 Ω → 203 to 223 Ω

A151-11 (CA2H)

CAN communication line H

-

-

A151-12

-

-

-

A151-13

-

-

-

A151-14 (GND2) - Body ground

Pump motor ground

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

Below 1 Ω

A151-15

-

-

-

A151-16

-

-

-

A151-17

-

-

-

A151-18

-

-

-

A151-19 (CANL)

CAN communication line L

-

-

A151-20

-

-

-

A151-21 (FR+)

Front wheel speed RH (+) power supply output

-

-

A151-22 (RR+)

Rear wheel speed RH (+) power supply output

-

-

A151-23 (RL-)

Rear wheel speed LH (-) signal input

-

-

A151-24 (FL+)

Front wheel speed LH (+) power supply output

-

-

A151-25 (CA2L)

CAN communication line L

-

-

A151-26 (FR-)

Front wheel speed RH (-) signal input

-

-

A151-27 (STPO) - Body ground

Stop light signal output

Always

11 to 14 V

A151-28

-

-

-

A151-29

-

-

-

A151-30 (+BS) - Body ground

ABS solenoid relay power supply

Always

11 to 14 V

A151-31

-

-

-

A151-32

-

-

-

A151-33 (SP1)

Speed signal output

-

-

A151-34

-

-

-

A151-35

-

-

-

A151-36 (IGR) - Body ground

IG power source input

Ignition switch ON

11 to 14 V

A151-37 (RR-)

Rear wheel speed RH (-) signal input

-

-

A151-38 (CSW) - Body ground

VSC OFF switch (combination switch assembly) input

VSC OFF switch (combination switch assembly) on → off (Pressed → not pressed)

Below 50 Ω → 10 kΩ or higher

A151-39 (RL+)

Rear wheel speed LH (+) power supply output

-

-

A151-40

-

-

-

A151-41

-

-

-

A151-42 (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 50 Ω → 10 kΩ or higher

A151-43 (STP2) - Body ground

Stop light signal input

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

11 to 14 V → 1.5 V or less

A151-44

-

-

-

A151-45

-

-

-

A151-46 (GND1) - Body ground

Skid control ECU (brake actuator assembly) ground

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

Below 1 Ω