Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Electrical specification

KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Control Module I/O Signal

ELECTRICAL SPECIFICATION

1. KEYLESS ACCESS CM

Terminal No.

Terminal symbol

Content

(B572) No. 2

+B

+B

(B572) No. 3

INDS

Start switch indicator (green) output

(B572) No. 5

N-SW

Neutral switch input

(B572) No. 7

STSW

STSW output

(B572) No. 9

IG2D

IG2 relay drive output

(B572) No. 10

CLUT

Clutch switch input

(B572) No. 11

GND

GND

(B572) No. 13

EGIO

Immobilizer communication 1

(B572) No. 17

TACH

Engine speed input

(B572) No. 18

STPI

Stop light switch input

(B573) No. 1

CG8B

Outside rear antenna output −

(B573) No. 2

CLG8

Outside rear antenna output +

(B573) No. 5

RCO

Tuner power supply

(B573) No. 8

CG7B

Inside rear antenna output −

(B573) No. 9

CLG7

Inside rear antenna output +

(B573) No. 15

IDW

ID code box presence judgment terminal

(B573) No. 17

RDA

Tuner reception data input

(B573) No. 19

RSSI

Tuner reception start signal input

(B573) No. 27

TSW5

Rear gate lock request SW input / trunk opener button input

(B573) No. 28

ACCR

ACC cutoff input

(B574) No. 1

VC5

Immobilizer amplifier power supply (start switch)

(B574) No. 2

CG5B

Inside front antenna output −

(B574) No. 3

CLG5

Inside front antenna output +

(B574) No. 4

ACCD

ACC relay drive output

(B574) No. 5

IG

IGN power supply

(B574) No. 6

IG1D

IG1 relay drive output

(B574) No. 7

CODE

Immobilizer signal reception (start switch)

(B574) No. 8

TSW2

Passenger’s lock sensor signal input

(B574) No. 9

TXCT

Immobilizer signal transmission (start switch)

(B574) No. 10

CG2B

Passenger’s antenna output −

(B574) No. 11

CLG2

Passenger’s antenna output +

(B574) No. 12

CLG1

Driver’s antenna output +

(B574) No. 13

CG1B

Driver’s antenna output −

(B574) No. 14

CANH

HS-CAN H

(B574) No. 15

CANL

HS-CAN L

(B574) No. 16

SWIL

Start switch character illumination output

(B574) No. 17

LIN

LIN communication

(B574) No. 18

INDW

Start switch indicator (orange) output

(B574) No. 19

POS1

Driver’s sensor drive power supply

(B574) No. 20

TSW1

Driver’s lock sensor signal input

(B574) No. 21

POS2

Passenger’s sensor drive power supply

(B574) No. 22

SEN1

Driver’s unlock sensor signal input

(B574) No. 23

SEN2

Passenger’s unlock sensor signal input

(B574) No. 24

AGND

Immobilizer amplifier GND (start switch)

(B574) No. 25

P

Parking position switch input

(B574) No. 26

SLP

Steering lock position input

(B574) No. 27

SPD

Vehicle speed signal input

(B574) No. 28

SSW1

Start switch input 1

(B574) No. 29

SLR+

Steering motor power supply signal output

(B574) No. 30

SSW2

Start switch input 2

Disconnect the control module connector (B572) before checking the following items.

NOTE:

If the measured value is out of standard, it is possible that the vehicle has a fault.

Terminal No.

Item

Measuring condition

Standard

(B572) No. 2 (+B) ←> (B572) No. 11 (GND)

Voltage

Always

9.5 — 16 V

(B572) No. 11 (GND) ←> Chassis ground

Resistance

Always

Less than 1 ?

NOTE:

If the measured value is out of standard, it is possible that the vehicle has a fault.

Terminal No.

Item

Measuring condition

Standard

(B573) No. 15 (IDW) ←> Chassis ground

(For EK, ER, EN models only)

Continuity

Always

Continuity exists

Disconnect the control module connectors (B574) and (B572) before checking the following items.

NOTE:

If the measured value is out of standard, it is possible that the vehicle has a fault.

Terminal No.

Item

Measuring condition

Standard

(B574) No. 4 (ACCD) ←> Chassis ground

Resistance

Always (20°C)

152.61 — 216.5 ?

(B572) No. 9 (IG2D) ←> Chassis ground

Resistance

Always (20°C)

74.15 — 460.88 ?

(B574) No. 6 (IG1D) ←> Chassis ground

Resistance

Always (20°C)

50.87 — 72.17 ?

(B572) No. 18 (STP1) ←> Chassis ground

(AT model only)

Voltage

Brake pedal depressed > released

11 — 14 V > 1 V or less

(B574) No. 25 (P) ←> Chassis ground

(AT model only)

Resistance

Except for shift positions P > Shift position P

40 k? or more > 200 ? or less

(B574) No. 27 (SPD) ←> Chassis ground

Resistance

Always

30 k? or more

(B574) No. 28 (SSW1) ←> Chassis ground

Resistance

Push button ignition switch pressed > released

Less than 1 ? > 10 k? or more

(B574) No. 29 (SLR+) ←> Chassis ground

Resistance

Always

10 k? or more

(B574) No. 30 (SSW2) ←> Chassis ground

Resistance

Push button ignition switch pressed > released

Less than 1 ? > 10 k? or more

(B574) No. 17 (LIN) ←> Chassis ground

Continuity

Always

Continuity does not exist

(B574) No. 14 (CANH) ←> Chassis ground

Pulse

ACC ON or IGN ON

Pulse generation

(B574) No. 15 (CANL) ←> Chassis ground

Pulse

ACC ON or IGN ON

Pulse generation

Connect the control module connector before checking the following items.

NOTE:

If the measured value is out of standard, it is possible that the keyless access CM has a fault.

Terminal No.

Item

Measuring condition

Standard

(B574) No. 1 (VC5) ←> (B574) No. 24 (AGND)

Voltage

30 seconds or more have passed after the door was opened or closed with IG OFF and the brake pedal released.

1 V or less

Waveform

Within 30 seconds after the push button ignition switch is pressed with IG OFF and access key not in the passenger room

Waveform 1

(B574) No. 2 (CG5B) ←> (B572) No. 11 (GND)

Pulse

All doors closed, ACC and IG OFF, access key not in passenger room, touch sensor (lock) OFF > ON

No pulse output > Pulse output detected

(B574) No. 3 (CLG5) ←> (B572) No. 11 (GND)

Pulse

All doors closed, ACC and IG OFF, access key not in passenger room, touch sensor (lock) OFF > ON

No pulse output > Pulse output detected

(B574) No. 4 (ACCD) ←> (B572) No. 11 (GND)

Voltage

IG OFF > ACC ON

1 V or less > 9 — 14 V

(B574) No. 6 (IG1D) ←> (B572) No. 11 (GND)

Voltage

ACC ON > IG ON

1 V or less > 9 — 14 V

(B574) No. 7 (CODE) ←> (B574) No. 24 (AGND)

Voltage

30 seconds or more have passed after the door was opened or closed with IG OFF and the brake pedal released.

1 V or less

Waveform

Turn the ignition switch to OFF and with the access key near the push button ignition switch, press the push button ignition switch*1

Waveform 2

(B574) No. 9 (TXCT) ←> (B574) No. 24 (AGND)

Voltage

30 seconds or more have passed after the door was opened or closed with IG OFF and the brake pedal released.

1 V or less

Waveform

Turn the ignition switch to OFF and with the access key near the push button ignition switch, press the push button ignition switch*1

Waveform 3

(B574) No. 10 (CG2B) ←> (B572) No. 11 (GND)

Pulse

ACC and IG OFF, all doors closed, all doors locked by lock operation with wireless remote control, access key not in passenger room

No pulse output > Pulse output detected

(B574) No. 11 (CLG2) ←> (B572) No. 11 (GND)

Pulse

ACC and IG OFF, all doors closed, all doors locked by lock operation with wireless remote control, access key not in passenger room

No pulse output > Pulse output detected

(B574) No. 12 (CLG1) ←> (B572) No. 11 (GND)

Pulse

ACC and IG OFF, all doors closed, all doors locked by lock operation with wireless remote control, access key not in passenger room

No pulse output > Pulse output detected

(B574) No. 13 (CG1B) ←> (B572) No. 11 (GND)

Pulse

ACC and IG OFF, all doors closed, all doors locked by lock operation with wireless remote control, access key not in passenger room

No pulse output > Pulse output detected

(B574) No. 19 (POS1) ←> (B572) No. 11 (GND)

Voltage

ACC and IG OFF > ACC or IG ON

9 — 14 V > less than 2 V

(B574) No. 21 (POS2) ←> (B572) No. 11 (GND)

Voltage

ACC and IG OFF > ACC or IG ON

9 — 14 V > less than 2 V

(B574) No. 24 (AGND) ←> Chassis ground

Resistance

Always

Less than 1 ?

(B574) No. 25 (P) ←> (B572) No. 11 (GND)

(AT model only)

Voltage

Except for shift positions P > Shift position P

9 — 14 V or more > 1.5 V or less

(B574) No. 26 (SLP) ←> (B572) No. 11 (GND)

Voltage

With ignition switch OFF and shift position P, Steering lock > Steering unlock

11 — 14 V > 1.2 V or less

(B574) No. 27 (SPD) ←> Chassis ground

Pulse

Driving at approx. 5 km/h

Pulse generation according to vehicle speed (approx. 5 km/h: 3.54 Hz)

(B574) No. 28 (SSW1) ←> (B572) No. 11 (GND)

Voltage

Push button ignition switch released > pressed

11 — 14 V > 1 V or less

(B574) No. 29 (SLR+) ←> (B572) No. 11 (GND)

Voltage

When the following conditions are met, the doors are closed > opened, and steering lock motor is driven

Steering lock is unlocked

IG OFF

Shift position P

11 — 14 V (Steering lock motor is stopped) > 1 V or less (Steering lock motor is driven)

(B574) No. 30 (SSW2) ←> (B572) No. 11 (GND)

Voltage

Push button ignition switch released > pressed

11 — 14 V > 1 V or less

(B573) No. 1 (CG8B) ←> (B572) No. 11 (GND)

Pulse

ACC and IG OFF, all doors closed, all doors locked, rear gate opener button OFF > ON

No pulse output > Pulse output detected

(B573) No. 2 (CLG8) ←> (B572) No. 11 (GND)

Pulse

ACC and IG OFF, all doors closed, all doors locked, rear gate opener button OFF > ON

No pulse output > Pulse output detected

(B573) No. 5 (RCO) ←> (B572) No. 11 (GND)

Voltage

ACC and IG OFF, access key is locked or unlock switch OFF > ON

1 V or less > 4.5 — 5.5 V

(B573) No. 8 (CG7B) ←> (B572) No. 11 (GND)

Pulse

All doors closed, ACC and IG OFF, access key not in passenger room, touch sensor (lock) OFF > ON

No pulse output > Pulse output detected

(B573) No. 9 (CLG7) ←> (B572) No. 11 (GND)

Pulse

All doors closed, ACC and IG OFF, access key not in passenger room, touch sensor (lock) OFF > ON

No pulse output > Pulse output detected

(B573) No. 19 (RSSI) ←> (B572) No. 11 (GND)

Voltage

All doors closed, all doors locked, access key is locked or unlock switch OFF > ON

11 — 14 V > 2 V or less

(B573) No. 27 (TSW5) ←> (B572) No. 11 (GND)

Pulse/voltage

ACC and IG OFF, all doors locked, rear gate lock button OFF > ON

9 V or more > less than 2 V

(B572) No. 9 (IG2D) ←> (B572) No. 11 (GND)

Voltage

ACC ON > IG ON

1 V or less > 9 — 14 V

(B572) No. 13 (EGIO) ←> (B574) No. 24 (AGND)

Voltage/pulse

Within 3 seconds after engine has been initially ignited or within 3 seconds after initial IG ON following battery removal and installation

11 to 14 V > pulse generation (waveform 4)

(B574) No. 8 (TSW2) ←> (B572) No. 11 (GND)

Voltage

ACC and IG OFF, all doors closed, all doors locked, access key carried, passenger’s seat touch sensor (lock) OFF > ON

9 V or more > less than 2 V (> 9 V or more)

(B574) No. 20 (TSW1) ←> (B572) No. 11 (GND)

Voltage

ACC and IG OFF, all doors closed, all doors locked, access key carried, driver’s seat touch sensor (lock) OFF > ON

9 V or more > less than 2 V (> 9 V or more)

(B574) No. 23 (SEN2) ←> (B572) No. 11 (GND)

Voltage

ACC and IG OFF, all doors closed, all doors locked, access key carried, passenger’s seat touch sensor (unlock) OFF > ON

9 V or more > less than 2 V (> 9 V or more)

(B574) No. 22 (SEN1) ←> (B572) No. 11 (GND)

Voltage

ACC and IG OFF, all doors closed, all doors locked, access key carried, driver’s seat touch sensor (unlock) OFF > ON

9 V or more > less than 2 V (> 9 V or more)

(B574) No. 16 (SWIL) ←> (B572) No. 11 (GND)

Voltage

When illumination of start switch goes off, headlight OFF > ON

Less than 2 V > 9 V or more

(B572) No. 17 (TACH) ←> Chassis ground

Waveform

While engine idling

Pulse generation (waveform 5)

(B573) No. 28 (ACCR) ←> (B572) No. 11 (GND)

Voltage

Brake pedal depressed, push button ignition switch pressed (while cranking) > Except when cranking

Less than 2 V > 9 V or more

(B572) No. 5 (N-SW) ←> (B572) No. 11 (GND)

Voltage

ACC ON > IG ON

Less than 2 V > 9 V or more

(B573) No. 17 (RDA) ←> (B572) No. 11 (GND)

Pulse

All doors closed, ACC and IG OFF, access key not in passenger room, touch sensor (lock) OFF > ON

2 V or less > 11 — 14 V > 2 V or less

(B572) No. 7 (STSW) ←> (B572) No. 11 (GND)

Voltage

Shift lever is in position P or position N and access key is in passenger room. While depressing the brake pedal, press the push button ignition switch. (Engine start)

Less than 2 V > 9 V or more

(B572) No. 3 (INDS) ←> (B572) No. 11 (GND)

Voltage

Depress the brake pedal.

9 V or more

(B574) No. 18 (INDW) ←> (B572) No. 11 (GND)

Voltage

With ACC ON or IG ON, brake pedal not depressed.

9 V or more

NOTE:

*1: Remove the access key battery before checking.

(1) Waveform 1

Item

Content

Measured terminal

(B574) No. 1 (VC5) ←> (B574) No. 24 (AGND)

Equipment setting

2 V/DIV, 200 ms/DIV

Measuring condition

Within 30 seconds after the push button ignition switch is pressed with IG OFF and access key not in the passenger room

(2) Waveform 2

Item

Content

Measured terminal

(B574) No. 7 (CODE) ←> (B574) No. 24 (AGND)

Equipment setting

2 V/DIV, 20 ms/DIV

Measuring condition

Turn the ignition switch to OFF and with the access key near the push button ignition switch, press the push button ignition switch. *1

NOTE:

*1: Remove the access key battery before checking.

(3) Waveform 3

Item

Content

Measured terminal

(B574) No. 9 (TXCT) ←> (B574) No. 24 (AGND)

Equipment setting

2 V/DIV, 20 ms/DIV

Measuring condition

Within 30 seconds after the push button ignition switch is pressed with IG OFF and access key not in the passenger room

(4) Waveform 4

Item

Content

Measured terminal

(B572) No. 13 (EGIO) ←> (B572) No. 11 (GND)

Equipment setting

5 V/DIV, 100 ms/DIV

Measuring condition

Within 3 seconds after engine has been initially ignited or within 3 seconds after initial IG ON following battery removal and installation

(5) Waveform 5

Item

Content

Equipment setting

5 V/DIV, 100 ms/DIV

2. ID CODE BOX

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    Terminal No.

    Terminal symbol

    Contents

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