Body Integrated Unit

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.

Contents

Measuring condition

Standard

(B71) No. 1 ←→ Chassis ground

BAT power supply (control)

Always

9 - 16 V

(B71) No. 2 ←→ Chassis ground

Turn light output, right front

Right front turn signal OFF → ON

Less than 1 V → 9 - 16 V

(B71) No. 3

(B71) No. 4 ←→ Chassis ground

BAT power supply (illumination)

Always

9 - 16 V

(B71) No. 5

(B71) No. 6

(B71) No. 7 ←→ Chassis ground

BAT power supply (tail)

Always

9 - 16 V

(B71) No. 8 ←→ Chassis ground

Turn light output, left front

Left front turn signal OFF → ON

Less than 1 V → 9 - 16 V

(B71) No. 9

(B71) No. 10 ←→ Chassis ground

Clearance/position light output

Clearance/position light output OFF → ON

Less than 1 V → 9 - 16 V

(B71) No. 11 ←→ Chassis ground

Illumination output

Illumination OFF → ON

Less than 1 V → 9 - 16 V

(B71) No. 12 ←→ Chassis ground

Key lock solenoid output
(Without keyless access with push button start system)

Ignition key inserted, shift lever, P range → other than P range

Less than 1 V → 9 - 16 V

(B72) No. 1 ←→ Chassis ground

GND

Always

Less than 1 Ω

(B72) No. 2

(B72) No. 3

(B72) No. 4 ←→ Chassis ground

BAT power supply (shift lock/key lock/turn light)

Always

9 - 16 V

(B72) No. 5 ←→ Chassis ground

DRL relay output

DRL relay output OFF → ON

9 - 16 V → Less than 1 V

(B72) No. 6

(B72) No. 7

(B72) No. 8

(B73) No. 1

(B73) No. 2 ←→ Chassis ground

Rear left seat seating signal

Rear left seat not seated → seated

9 - 16 V → Less than 1 V

(B73) No. 3 ←→ Chassis ground

Hood switch (closed side)

Hood closed → open

Less than 1 V → 9 - 16 V

(B73) No. 4 ←→ Chassis ground

Hood switch (open side)

Hood open → close

Less than 1 V → 9 - 16 V

(B73) No. 5

(B73) No. 6

(B73) No. 7 ←→ Chassis ground

BAT (backup)

Always

9 - 16 V

(B73) No. 8 ←→ Chassis ground

Rear center seat seating signal

Rear center seat not seated → seated

9 - 16 V → Less than 1 V

(B73) No. 9 ←→ Chassis ground

Security horn output

Security horn, not operating → operating

9 - 16 V → Less than 1 V

(B73) No. 10

(B73) No. 11

(B73) No. 12 ←→ Chassis ground

Rear right seat seating signal

Rear right seat not seated → seated

9 - 16 V → Less than 1 V

(B73) No. 13

(B73) No. 14 ←→ Chassis ground

EGI immobilizer communication

Always
(Models without the keyless access with push button start system, and except for C0 and C5)

1 MΩ or more

(B73) No. 15

(B73) No. 16 ←→ Chassis ground

Stop light switch

Stop light switch OFF → ON

Less than 1 V → 9 - 16 V

(B73) No. 17

Body CAN (H)

Except for sleep status⁽¹⁾

Serial communication

(B73) No. 18

(B73) No. 19

Body CAN (L)

Except for sleep status⁽¹⁾

Serial communication

(B73) No. 20

(i81) No. 1 ←→ Chassis ground

Tail light output

Tail light output OFF → ON

Less than 1 V → 9 - 16 V

(i81) No. 2 ←→ Chassis ground

Turn light output, left rear

Left rear turn signal OFF → ON

Less than 1 V → 9 - 16 V

(i81) No. 3 ←→ Chassis ground

Shift lock solenoid

IG ON shift lever P range stop light switch OFF (brake pedal not depressed) → ON
(brake pedal depressed)

Less than 1 V → 9 - 16 V

(i81) No. 4 ←→ Chassis ground

GND

Always

Less than 1 Ω

(i81) No. 5 ←→ Chassis ground

Turn light output, right rear

Right rear turn signal OFF → ON

Less than 1 V → 9 - 16 V

(i81) No. 6 ←→ Chassis ground

Door lock output
(driver's seat unlock)

When UNLOCK signal is output

Less than 1 V → 9 - 16 V

(i81) No. 7 ←→ Chassis ground

Electric fuel unlock output

When UNLOCK signal is output

Less than 1 V → 9 - 16 V

(i81) No. 8

(i81) No. 9 ←→ Chassis ground

Room light output

Door closed → open with the light side SW interlocked with the door

9 - 16 V → Less than 1 V

(i81) No. 10

(i82) No. 1

(i82) No. 2

(i82) No. 3 ←→ Chassis ground

Immobilizer antenna (A)

When ignition key inserted
(Models without the keyless access with push button start system, and except for C0 and C5)

Pulse generation

(i82) No. 4 ←→ Chassis ground

Immobilizer antenna (B)

When ignition key inserted
(Models without the keyless access with push button start system, and except for C0 and C5)

Pulse generation

(i82) No. 5

(i82) No. 6 ←→ Chassis ground

Opener switch (rear gate/trunk)

Rear gate/trunk opener button OFF → ON

9 - 16 V → Less than 1 V

(i82) No. 7 ←→ (i82) No. 8

Sensitivity adjustment SIG

0 - 6 kΩ

Always

(i82) No. 8 ←→ Chassis ground

Illumination sensor GND

(i82) No. 9 ←→ Chassis ground

Key ring illumination output

Key ring OFF → ON (IG ON → OFF with driver's door open)
(Without keyless access with push button start system)

Less than 1 V → 9 - 16 V

(i82) No. 10 ←→ Chassis ground

Map light output

Door open → closed with the light side SW interlocked with the door

9 - 16 V → Less than 1 V

(i82) No. 11

(i82) No. 12 ←→ Chassis ground

Manual unlock switch

Door unlock switch OFF → ON

9 - 16 V → Less than 1 V

(i82) No. 13 ←→ Chassis ground

Door switch
(passenger's seat)

Passenger's door closed → open

9 - 16 V → Less than 1 V

(i82) No. 14 ←→ Chassis ground

Door switch (rear seat LH)

Rear seat LH door closed → open

9 - 16 V → Less than 1 V

(i82) No. 15 ←→ Chassis ground

Door switch (rear gate/trunk)

Rear gate/trunk closed → open

9 - 16 V → Less than 1 V

(i82) No. 16

(i82) No. 17

(i82) No. 18

(i82) No. 19 ←→ Chassis ground

Key-in switch (without keyless access with push button start system)
ACC switch (with keyless access with push button start system)

Ignition key not inserted → inserted (without keyless access with push button start system)
ACC switch OFF → ON (with keyless access with push button start system)

Less than 1 V → 9 - 16 V

(i82) No. 20 ←→ Chassis ground

Security indicator light output

When security light is illuminating

Pulse generation

(i82) No. 21

(i82) No. 22

(i82) No. 23

(i82) No. 24

(i82) No. 25

(i82) No. 26 ←→ Chassis ground

Dimmer Hi switch

Dimmer switch Hi beam OFF → ON

9 - 16 V → Less than 1 V

(i82) No. 27 ←→ Chassis ground

Door switch (rear seat RH)

Rear seat RH door closed → open

9 - 16 V → Less than 1 V

(i82) No. 28 ←→ (i82) No. 8

Illumination sensor signal

Lighting AUTO switch ON

0 - 5 V

(i82) No. 29

(i82) No. 30

(i82) No. 31

(i82) No. 32 ←→ Chassis ground

Manual lock switch

Door lock switch OFF → ON

9 - 16 V → Less than 1 V

(i82) No. 33 ←→ Chassis ground

Turn signal switch right

Turn signal switch right OFF → ON

9 - 16 V → Less than 1 V

(i82) No. 34 ←→ (i82) No. 8

Illumination sensor power supply output

Ignition switch OFF → ON

1 - 5 V

(i82) No. 35 ←→ Chassis ground

Lighting I switch

Lighting switch 1 OFF → ON

9 - 16 V → Less than 1 V

(i82) No. 36 ←→ Chassis ground

Dimmer Pass switch

Dimmer switch Pass OFF → ON

9 - 16 V → Less than 1 V

(i82) No. 37 ←→ Chassis ground

Turn hazard switch

Turn hazard switch OFF → ON

9 - 16 V → Less than 1 V

(i82) No. 38 ←→ Chassis ground

Turn signal switch left

Turn signal switch left OFF → ON

9 - 16 V → Less than 1 V

(i82) No. 39 ←→ Chassis ground

Door switch (driver's seat)

Driver's door closed → open

9 - 16 V → Less than 1 V

(i82) No. 40 ←→ Chassis ground

P range switch

Shift lever, other than P range → P range

9 - 16 V → Less than 1 V

(i83) No. 1 ←→ Chassis ground

Front wiper Lo switch

Front wiper Lo switch OFF → ON

9 - 16 V → Less than 1 V

(i83) No. 2

LIN communication 2

Except for sleep status⁽¹⁾

Serial communication

(i83) No. 3 ←→ Chassis ground

Rear wiper switch (INT)

Rear wiper switch INT OFF → ON

9 - 16 V → Less than 1 V

(i83) No. 4

(i83) No. 5

(i83) No. 6 ←→ Chassis ground

Door lock status switch passenger's seat

Passenger's door lock → unlock (with keyless access with push button start system)

9 - 16 V → Less than 1 V

(i83) No. 7

(i83) No. 8

(i83) No. 9

(i83) No. 10 ←→ Chassis ground

Rear washer switch

Rear washer switch OFF → ON

9 - 16 V → Less than 1 V

(i83) No. 11

(i83) No. 12 ←→ Chassis ground

Front washer switch

Front washer switch OFF → ON

9 - 16 V → Less than 1 V

(i83) No. 13

(i83) No. 14

(i83) No. 15

(i83) No. 16

(i83) No. 17 ←→ Chassis ground

Front wiper Hi switch

Front wiper Hi switch OFF → ON

9 - 16 V → Less than 1 V

(i83) No. 18

LIN communication 1

Except for sleep status⁽¹⁾

Serial communication

(i83) No. 19 ←→ Chassis ground

Rear wiper switch (ON)

Rear wiper switch OFF → ON

9 - 16 V → Less than 1 V

(i83) No. 20 ←→ Chassis ground

Lighting switch AUTO (U4 and U5 models)
Lighting switch OFF (C0 and C5 models)

Lighting switch AUTO OFF → ON (U4 and U5 models)
Lighting switch OFF OFF → ON (C0 and C5 models)

9 - 16 V → Less than 1 V

(i83) No. 21 ←→ Chassis ground

Front wiper AUTO/INT switch

Front wiper AUTO/INT switch OFF → ON

9 - 16 V → Less than 1 V

(i83) No. 22 ←→ Chassis ground

Door lock status switch driver's seat

Driver's door lock → unlock (with keyless access with push button start system)

9 - 16 V → Less than 1 V

(i83) No. 23

(i83) No. 24

(i83) No. 25 ←→ Chassis ground

Handsfree power rear gate OFF switch

Handsfree power rear gate OFF switch OFF → ON (with handsfree sensor)

9 - 16 V → Less than 1 V

(i83) No. 26 ←→ Chassis ground

Front fog light switch

Front fog light switch OFF → ON

9 - 16 V → Less than 1 V

(i83) No. 27

(i83) No. 28 ←→ Chassis ground

Lighting II switch

Lighting switch 2 OFF → ON

9 - 16 V → Less than 1 V

(i83) No. 29

(i83) No. 30 ←→ Chassis ground

Luggage/trunk light output

Sedan: Trunk closed → open
OUTBACK: Rear gate closed → open with the light side SW interlocked with the door

9 - 16 V → Less than 1 V

(i83) No. 31 ←→ Chassis ground

Collision detection signal

IG ON

Pulse output

(i83) No. 32 ←→ Chassis ground

Power rear gate driver's opener button

Power rear gate driver's opener button OFF → ON (with power rear gate)

9 - 16 V → Less than 1 V

⁽¹⁾	CAN sleep state: Hold on for approx. one minute with ignition switch OFF and all the doors and rear gate closed.