Body Integrated Unit
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
| 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 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 (CVT Model without the 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 | - | - | - | ||
| (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 | - | - | - | ||
| (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 | - | - | - | ||
| (B73) No. 13 | - | - | - | ||
| (B73) No. 14 ←→ Chassis ground | EGI immobilizer communication (Without keyless access with push button start system and without immobilizer control module) |
Always | 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 ←→ Chassis ground | MT reverse switch (MT model) |
Reverse switch OFF (other than shift lever reverse) → ON (reverse) | Less than 1 V → 9 - 16 V | ||
| (B73) No. 19 | Body CAN (L) | Except for sleep status (1) | Serial communication | ||
| (B73) No. 20 | LAMP LIN | Except for sleep status (1) | Serial communication | ||
| (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 (CVT model) |
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) (Without keyless access with push button start system and without immobilizer control module) |
When ignition key inserted | Pulse generation | ||
| (i82) No. 4 ←→ Chassis ground | Immobilizer antenna (B) (Without keyless access with push button start system and without immobilizer control module) |
When ignition key inserted | Pulse generation | ||
| (i82) No. 5 | - | - | - | ||
| (i82) No. 6 ←→ Chassis ground | Opener switch (rear gate/trunk) | Opener switch OFF → ON | 9 - 16 V → Less than 1 V | ||
| (i82) No. 7 ←→ (i82) No. 8 | Front wiper intermittent sensitivity adjustment | Always | 0 - 6 kΩ | ||
| (i82) No. 8 ←→ Chassis ground | Front wiper intermittent sensitivity adjustment GND | - | - | ||
| (i82) No. 9 ←→ Chassis ground | Key ring illumination output (Without keyless access with push button start system) |
Key ring OFF → ON (IG ON → OFF with driver's door open) | Less than 1 V → 9 - 16 V | ||
| (i82) No. 10 ←→ Chassis ground | Map light output | Door closed → open with the light side SW interlocked with the door | Less than 1 V → 9 - 16 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) | 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) |
Ignition key not inserted → inserted | Less than 1 V → 9 - 16 V | ||
| ACC switch (With keyless access with push button start system) |
ACC switch OFF → ON | ||||
| (i82) No. 20 ←→ Chassis ground | Security light output | When security light is illuminating | Pulse generation | ||
| (i82) No. 21 | - | - | - | ||
| (i82) No. 22 ←→ Chassis ground | Turn signal switch (press and held) |
|
9 - 16 V → Less than 1 V | ||
| (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 RH switch (lightly pressed) | Right turn signal switch (lightly pressed) 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 LH switch (lightly pressed) | Left turn signal switch (lightly pressed) 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 (CVT model) |
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 | Less than 1 V → 9 - 16 V | ||
| (i83) No. 2 | P/W LIN | 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 ←→ Chassis ground | - | - | - | ||
| (i83) No. 6 ←→ Chassis ground | Door lock status switch passenger's seat (With keyless access with push button start system) |
Passenger's door lock → unlock | 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 | BODY LIN | Except for sleep status (1) | Serial communication | ||
| (i83) No. 19 ←→ Chassis ground | Rear wiper switch (ON) |
|
9 - 16 V → Less than 1 V | ||
| (i83) No. 20 ←→ Chassis ground | Lighting switch AUTO (Except for Canada) |
Lighting switch AUTO OFF → ON |
9 - 16 V → Less than 1 V | ||
| Lighting switch OFF (For Canada) |
Lighting switch OFF OFF → ON |
||||
| (i83) No. 21 ←→ Chassis ground | Front wiper AUTO/INT switch |
|
9 - 16 V → Less than 1 V | ||
| (i83) No. 22 ←→ Chassis ground | Door lock status switch driver's seat (With keyless access with push button start system) |
Driver's door lock → unlock | 9 - 16 V → Less than 1 V | ||
| (i83) No. 23 | - | - | - | ||
| (i83) No. 24 | - | - | - | ||
| (i83) No. 25 | - | - | - | ||
| (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 II OFF → ON | 9 - 16 V → Less than 1 V | ||
| (i83) No. 29 | - | - | - | ||
| (i83) No. 30 ←→ Chassis ground | Luggage/trunk light output | Trunk closed → open | 9 - 16 V → Less than 1 V | ||
| (i83) No. 31 ←→ Chassis ground | Collision detection signal | Ignition switch ON | Pulse output | ||
| (i83) No. 32 | - | - | - | ||
|
|||||