Signal Specification
All the values indicated below are only described values, as the power supply is not permitted when the breakout box is connected.
NOTE:
It is important to connect the breakout box and check the ground terminals before taking readings.
| U= | DC voltage in volts (V) | - | - |
| Ubat = | Battery voltage (V) | - | - |
| Ulow = | Voltage approximately 0 V | - | - |
| - | - | - | - |
CONNECTOR A
| Control module terminal (75 pin) | Breakout box terminal | Signal type | Ignition on | Other |
|---|---|---|---|---|
| #A1 | - | - | - | - |
| #A2 | - | - | - | - |
| #A3 | - | - | - | - |
| #A4 | - | - | - | - |
| #A5 | - | - | - | - |
| #A6 | - | - | - | - |
| #A7 | - | - | - | - |
| #A8 | - | Short-circuit rail, left side impact airbag | - | Short-circuits terminals #A33 and #A34 when the connector is not connected to the control module. |
| #A9 | - | Short-circuit rail, left side impact airbag | - | Short-circuits terminals #A33 and #A34 when the connector is not connected to the control module. |
| #A10 | - | Short-circuit rail, right side impact airbag | - | Short-circuits terminals #A35 and #A36 when the connector is not connected to the control module. |
| #A11 | - | Short-circuit rail, right side impact airbag | - | Short-circuits terminals #A35 and #A36 when the connector is not connected to the control module. |
| #A12 | - | Short-circuit rail, left inflatable curtain | - | Short-circuits terminals #A37 and #A38 when the connector is not connected to the control module. |
| #A13 | - | Short-circuit rail, left inflatable curtain | - | Short-circuits terminals #A37 and #A38 when the connector is not connected to the control module. |
| #A14 | - | Short-circuit rail, right inflatable curtain | - | Short-circuits terminals #A39 and #A40 when the connector is not connected to the control module. |
| #A15 | - | Short-circuit rail, right inflatable curtain | - | Short-circuits terminals #A39 and #A40 when the connector is not connected to the control module. |
| #A16 | - | - | - | - |
| #A17 | - | - | - | - |
| #A18 | - | - | - | - |
| #A19 | - | - | - | - |
| #A20 | - | - | - | - |
| #A21 | - | - | - | - |
| #A22 | - | - | - | - |
| #A23 | - | - | - | - |
| #A24 | - | - | - | - |
| #A25 | - | - | - | - |
| #A26 | #1 | Collision | - | not activated U = 8-12 V. Activated U = 2-8 V. |
| #A27 | #2 | Rear left seat belt tensioner (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A28 | #3 | Rear left seat belt tensioner (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A29 | #4 | - | - | - |
| #A30 | #5 | - | - | - |
| #A31 | #6 | Rear right seat belt tensioner (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A32 | #7 | Rear right seat belt tensioner (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A33 | #8 | Side impact protection (SIPS) bag left (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A34 | #9 | Side impact protection (SIPS) bag left (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A35 | #10 | Side impact protection (SIPS) bag right (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A36 | #11 | Side impact protection (SIPS) bag right (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A37 | #12 | Left inflatable curtain (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A38 | #13 | Left inflatable curtain (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A39 | #14 | Right inflatable curtain (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A40 | #15 | Right inflatable curtain (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A41 | #16 | Passenger seat belt tensioner (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A42 | #17 | Passenger seat belt tensioner (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A43 | #18 | - | - | - |
| #A44 | #19 | - | - | - |
| #A45 | #20 | Adaptive passenger seat belt force limiter (+) (Only USA/CDN) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A46 | #21 | Adaptive passenger seat belt force limiter (-) (Only USA/CDN) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A47 | #22 | Adaptive driver's seat belt force limiter (-) (Only USA/CDN) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A47 | #22 | Driver's lap seat belt tensioner (-) (Only certain markets) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A48 | #23 | Adaptive driver's seat belt force limiter (+) (Only USA/CDN) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A48 | #23 | Driver's lap seat belt tensioner (+) (Only certain markets) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A49 | #24 | - | - | - |
| #A50 | #25 | - | - | - |
| #A51 | #26 | Local CAN bus SRS, low signal (Only USA/CDN) | - | During communication the voltage is 1.0-2.5 V. |
| #A52 | #27 | Local CAN bus SRS, high signal (Only USA/CDN) | - | During communication the voltage is 2.5-4.0 V. |
| #A53 | #28 | CAN_L bus | - | During communication the voltage is 1.0-2.5 V. |
| #A54 | #29 | Seat position sensor signal ground (common for driver's seat position sensor and passenger seat position sensor) (Only USA/CDN) | U = U low | - |
| #A55 | #30 | Passenger seat position sensor (+) (Only USA/CDN) | - | - |
| #A56 | #31 | CAN_H bus | - | During communication the voltage is 2.5-4.0 V. |
| #A57 | #32 | Driver's seat position sensor (+) (Only USA/CDN) | - | - |
| #A58 | #33 | Side impact sensor, right front (+) | - | - |
| #A59 | #34 | Side impact sensor right front, signal ground | U = U low | - |
| #A60 | #35 | Side impact sensor front left, signal ground | U = U low | - |
| #A61 | #36 | Side impact sensor, left front (+) | - | - |
| #A62 | #37 | Passenger seat belt buckle, signal ground | U = U low | - |
| #A63 | #38 | Passenger seat belt buckle (+) | - | - |
| #A64 | #39 | Driver's seat belt buckle (+) | - | - |
| #A65 | #40 | Driver's seat belt buckle, signal ground | U = U low | - |
| #A66 | #41 | Side impact sensor, right rear (+) | - | - |
| #A67 | #42 | Side impact sensor rear right, signal ground | U = U low | - |
| #A68 | #43 | Side impact sensor rear left, signal ground | U = U low | - |
| #A69 | #44 | Side impact sensor, left rear (+) | - | - |
| #A70 | #45 | Passenger seat belt (inertia) reel sensor (+) (Only USA/CDN) | - | - |
| #A71 | #46 | Passenger seat belt (inertia) reel sensor, signal ground (Only USA/CDN) | U = U low | - |
| #A72 | #47 | Driver's seat belt (inertia) reel sensor, signal ground (Only USA/CDN) | U = U low | |
| #A73 | #48 | Driver's seat belt (inertia) reel sensor (+) (Only USA/CDN) | - | - |
| #A74 | #49 | Driver's seat belt tensioner (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #A75 | #50 | Driver's seat belt tensioner (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
CONNECTOR B
| Control module terminal (30-pin) | Breakout box terminal | Signal type | Ignition on | Other |
| #B1 | #1 | Passenger airbag, stage 1 (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B2 | #2 | Passenger airbag, stage 1 (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B3 | #3 | Driver airbag, stage 2 (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B4 | #4 | Driver airbag, stage 2 (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B5 | #5 | Front collision sensor right (+) | - | - |
| #B6 | #6 | Driver airbag, stage 1 (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B7 | #7 | Driver airbag, stage 1 (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B8 | #8 | Passenger airbag switch, signal ground (Not USA/CDN) | - | - |
| #B9 | #9 | Front collision sensor right, signal ground | - | - |
| #B10 | #10 | Passenger airbag, stage 2 (-) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B11 | #11 | Passenger airbag, stage 2 (+) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B12 | #12 | Passenger airbag switch (sensor A) (Not USA/CDN) | - | Passenger airbag activated. |
| #B13 | #13 | Adaptive steering column (+) (Only USA/CDN) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B14 | #14 | Adaptive steering column (-) (Only USA/CDN) | - | Monitoring signal at normal position. Ignition pulse on deployment. |
| #B15 | #15 | Comfort supply | U = U bat | Ignition position I, II and III. |
| #B16 | - | Short-circuit rail, passenger airbag, stage 1 | - | Short-circuits terminals #B1 and #B2 when the connector is not connected to the control module. |
| #B17 | - | Short-circuit rail, passenger airbag, stage 1 | - | Short-circuits terminals #B1 and #B2 when the connector is not connected to the control module. |
| #B18 | - | Short-circuit rail, driver's airbag, stage 2 | - | Short-circuits terminals #B3 and #B4 when the connector is not connected to the control module. |
| #B19 | - | Short-circuit rail, driver's airbag, stage 2 | - | Short-circuits terminals #B3 and #B4 when the connector is not connected to the control module. |
| #B20 | #20 | C line | - | - |
| #B21 | - | Short-circuit rail, driver's airbag, stage 1 | - | Short-circuits terminals #B6 and #B7 when the connector is not connected to the control module. |
| #B22 | - | Short-circuit rail, driver's airbag, stage 1 | - | Short-circuits terminals #B6 and #B7 when the connector is not connected to the control module. |
| #B23 | #23 | Front collision sensor left (+) | - | - |
| #B24 | #24 | Front collision sensor left, signal ground | - | - |
| #B25 | - | Short-circuit rail, passenger airbag, stage 2 | - | Short-circuits terminals #B10 and #B11 when the connector is not connected to the control module. |
| #B26 | - | Short-circuit rail, passenger airbag, stage 2 | - | Short-circuits terminals #B10 and #B11 when the connector is not connected to the control module. |
| #B27 | #27 | Passenger airbag switch (sensor B) (Not USA/CDN) | - | passenger airbag not activated. |
| #B28 | - | Short-circuit rail, adaptive steering column (Only USA/CDN) | - | Short-circuits terminals #B13 and #B14 when the connector is not connected to the control module. |
| #B29 | - | Short-circuit rail, adaptive steering column (Only USA/CDN) | - | Short-circuits terminals #B13 and #B14 when the connector is not connected to the control module. |
| #B30 | #30 | 15 supply | U = U bat | Ignition position II and III. |