Signal Specification
General
All values given below are between the terminals stated in column 1 and terminal #B4 (power ground). This applies unless otherwise indicated in brackets.
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 C1
| Connector C1 | ||||
|---|---|---|---|---|
| Breakout box terminal | Control module terminal | Signal type | Active / Not active | Miscellaneous |
| #C1 | #C1:1 | Reserve | - | |
| #C2 | #C1:2 | Signal cable inner antenna in the passenger compartment (-) | f=125kHz U=300Vpp The signal is difficult to measure. |
Located under the carpet in the luggage compartment. Only active when searching for remote keys. |
| #C3 | #C1:3 | Signal cable external left-hand antenna (-) | f=125kHz U=300Vpp The signal is difficult to measure. |
Located in the external door handle in the left-hand rear door |
| #C4 | #C1:4 | Signal cable inner antenna in the passenger compartment (-) | f=125kHz U=300Vpp The signal is difficult to measure. |
Located under the carpet in front of the center panel. Only active when searching for keys. Otherwise 0 V. |
| #C5 | #C1:5 | Reserve | - | - |
| #C6 | #C1:6 | Not connected | - | |
| #C7 | #C1:7 | Not connected | - | |
| #C8 | #C1:8 | Not connected | - | |
| #C9 | #C1:9 | Not connected | - | |
| #C10 | #C1:10 | Not connected | - | |
| #C11 | #C1:11 | Not connected | - | |
| #C12 | #C1:12 | Not connected | - | |
| #C13 | #C1:13 | Not connected | - | |
| #C14 | #C1:14 | The signal cable external right-hand antenna (+) | f=125kHz U=300Vpp The signal is difficult to read |
Located in the external door handle in the right-hand rear door. Only active when searching for remote keys. Otherwise 0 V. |
| #C15 | #C1:15 | Signal cable external left-hand antenna (+) | f=125kHz U=300Vpp The signal is difficult to measure. |
Located in the external door handle in the left-hand rear door. Only active when searching for remote keys. Otherwise 0 V. |
| #C16 | #C1:16 | Signal cable inner antenna passenger compartment (+) |
f=125kHz U=300Vpp The signal is difficult to measure. |
Located under the carpet in front of the center panel. Only active when searching for remote keys. Otherwise 0 V. |
| #C17 | #C1:17 | Reserve | - | |
| #C18 | #C1:18 | Signal cable inner antenna passenger compartment (+) | f=125kHz U=300Vpp The signal is difficult to measure. |
Located under the carpet in the cargo compartment. Only active when searching for remote keys. Otherwise 0 V. |
| #C19 | #C1:19 | Reserve | - | |
| #C20 | #C1:20 | Reserve | - | |
| #C21 | #C1:21 | Signal cable outer antenna rear (-) | f=125kHz U=300Vpp The signal is difficult to measure. |
Located in rear bumper (S80). Located in liftgate (V70/XC70/XC60). Only active when searching for remote keys. Otherwise 0 V. |
| #C22 | #C1:22 | Signal cable to external antenna (+). | f=125kHz U=300Vpp The signal is difficult to measure. |
Located in rear bumper (S80). Located in liftgate (V70/XC70/XC60). Only active when searching for remote keys. Otherwise 0 V. |
| #C23 | #C1:23 | The signal cable external right-hand antenna (-) | f=125kHz U=300Vpp The signal is difficult to measure. |
Located in the external door handle in the right-hand rear door. Only active when searching for remote keys. Otherwise 0 V. |
Connector C2
| Connector C2 | ||||
|---|---|---|---|---|
| Breakout box terminal | Control module terminal | Signal type | Active / Not active | Miscellaneous |
| #B24 | #C2:1 | Reserve | - | - |
| #B25 | #C2:2 | - supply for quick lock left rear (+) | > 10.5 V/<1.5 V | Active for approximately 0.5 seconds when opening doors. |
| #B26 | #C2:3 | Supply for quick lock right rear (+) | > 10.5 V/<1.5 V | Active for approximately 0.5 seconds when opening doors. |
| #B27 | #C2:4 | Supply for quick lock left front (+) | > 10.5 V/<1.5 V | Active for approximately 0.5 seconds when opening doors. |
| #B28 | #C2:5 | Supply for quick lock right front (+) | > 10.5 V/<1.5 V | Active for approximately 0.5 seconds when opening doors. |
| #B29 | #C2:6 | Not connected | - | - |
| #B30 | #C2:7 | Not connected | - | - |
| #B31 | #C2:8 | Not connected | - | - |
| #B32 | #C2:9 | Not connected | - | - |
| #B33 | #C2:10 | Not connected | - | - |
| #B34 | #C2:11 | Not connected | - | - |
| #B35 | #C2:12 | Not connected | - | - |
| #B36 | #C2:13 | Not connected | - | - |
| #B37 | #C2:14 | Signal cable inner antenna in the passenger compartment (+) | f=125kHz U=300Vpp The signal is difficult to measure. |
Located under the carpet between the center console and the rear seat. Only active when searching for remote keys. Otherwise 0 V. |
| #B38 | #C2:15 | Reserve | - | - |
| #B39 | #C2:16 | Reserve | - | - |
| #B40 | #C2:17 | Signal cable inner antenna in the passenger compartment (-) | f=125kHz U=300Vpp The signal is difficult to measure. |
Located under the carpet between the center console and the rear seat. Only active when searching for remote keys. Otherwise 0 V. |
| #B41 | #C2:18 | Not connected | - | - |
| #B42 | #C2:19 | Not connected | - | - |
| #B43 | #C2:20 | Not connected | - | - |
| #B44 | #C2:21 | Not connected | - | - |
| #B45 | #C2:22 | Not connected | - | - |
| #B46 | #C2:23 | Not connected | - | - |
Connector C3
| Connector C3 | ||||
|---|---|---|---|---|
| Breakout box terminal | Control module terminal | Signal type | Active / Not active | Miscellaneous |
| #B1 | #C3:1 | Power supply, quick lock right-hand rear (-) | Ulow | - |
| #B2 | #C3:2 | Power supply, quick lock left-hand rear (-) | Ulow | - |
| #B3 | #C3:3 | Reserve | - | - |
| #B4 | #C3:4 | Ground terminal | Ulow | - |
| #B5 | #C3:5 | Power supply | Ubat | - |
| #B6 | #C3:6 | Not connected | - | |
| #B7 | #C3:7 | Not connected | - | |
| #B8 | #C3:8 | Not connected | - | |
| #B9 | #C3:9 | Not connected | - | |
| #B10 | #C3:10 | Not connected | - | |
| #B11 | #C3:11 | Not connected | - | |
| #B12 | #C3:12 | Not connected | - | |
| #B13 | #C3:13 | Not connected | - | |
| #B14 | #C3:14 | Not connected | - | |
| #B15 | #C3:15 | Not connected | - | |
| #B16 | #C3:16 | Not connected | - | |
| #B17 | #C3:17 | Not connected | - | |
| #B18 | #C3:18 | Reserve | - | |
| #B19 | #C19 | Not connected | - | |
| #B20 | #C20 | Not connected | - | |
| #B21 | #C21 | Reserve | - | |
| #B22 | #C22 | Not connected | - | |
| #B23 | #C23 | Reserve | - | |
Connector C4
| Connector C4 | ||||
|---|---|---|---|---|
| Breakout box terminal | Control module terminal | Signal type | Active / Not active | Miscellaneous |
| #A24 | #C4:1 | Power supply quick lock left front (-) | > 10.5 V/<1.5 V | Active when opening doors |
| #A25 | #C4:2 | Power supply quick lock right front (-) |
> 10.5 V/<1.5 V | Active when opening doors. |
| #A26 | #C4:3 | LS-CAN H | 2.5-4V The signal is difficult to measure. |
During communication. |
| #A27 | #C4:4 | LS-CAN L | 2.5-1V The signal is difficult to measure. |
During communication. |
| #A28 | #C4:5 | Reserve | - | |
| #A29 | #C4:6 | Not connected | - | |
| #A30 | #C4:7 | Not connected | - | |
| #A31 | #C4:8 | Reserve | - | - |
| #A32 | #C4:9 | Contact breaker in quick lock left front | Ulow | Open circuit, Grounded when the handle is pulled out to its limit position |
| #A33 | #C4:10 | Reserve | - | - |
| #A34 | #C4:11 | Reserve | - | - |
| #A35 | #C4:12 | Reserve | - | - |
| #A36 | #C4:13 | Reserve | - | - |
| #A37 | #C4:14 | Signal cable Remote Keyless Entry (RKE) | 0.5V / 1.5V | Serial communication. Signals are difficult to read. |
| #A38 | #C4:15 | Indication of remote control in the starter module (Key In) | - | Signal from the central electronic module (CEM) when remote key is inserted in the starter module. |
| #A39 | #C4:16 | Reserve | - | - |
| #A40 | #C4:17 | Reserve | - | - |
| #A41 | #C4:18 | Reserve | - | |
| #A42 | #C4:19 | Reserve | - | |
| #A43 | #C4:20 | Reserve | - | - |
| #A44 | #C4:21 | Switch quick lock right rear | f=125kHz U=300Vpp (106 Vrms ) The signal is difficult to measure. |
When fault-tracing the key. Reading taken against corresponding (-) terminal 0V not active. |
| #A45 | #C4:22 | Switch quick lock right front | Ulow | Open circuit, Grounded when the handle is pulled out to its limit position |
| #A46 | #C4:23 | Reserve | - | - |
Connector C5
| Connector C5 | ||||
|---|---|---|---|---|
| Breakout box terminal | Control module terminal | Signal type | Active / Not active | Miscellaneous |
| #A1 | #C5:1 | Reserve (-) |
- | - |
| #A2 | #C5:2 | Outer lock button right front | Ulow | Open circuit. Indicates ground connection when button is depressed. |
| #A3 | #C5:3 | Contact breaker at clutch pedal | 'Ulow | Closes when the clutch pedal is depressed to 75% of length of stroke. |
| #A4 | #C5:4 | Switch unlocking left rear | Ulow | Open circuit. Indicates ground connection when pulling out the external door handle. |
| #A5 | #C5:5 | Outer lock button right rear. | Ulow | Open circuit. Indicates ground connection when button is depressed. |
| #A6 | #C5:6 | Not connected | - | |
| #A7 | #C5:7 | Not connected | - | |
| #A8 | #C5:8 | Not connected | - | |
| #A9 | #C5:9 | Not connected | - | |
| #A10 | #C5:10 | Not connected | - | |
| #A11 | #C5:11 | Not connected | - | |
| #A12 | #C5:12 | Not connected | - | |
| #A13 | #C5:13 | Not connected | - | |
| #A14 | #C5:14 | Contact breaker at brake pedal. | 0V / 5V | Signal from the central electronic module (CEM) when brake pedal is depressed. |
| #A15 | #C5:15 | Switch quick lock left rear | Ulow | Open circuit. Grounded when the handle is pulled out to its limit position. |
| #A16 | #C5:16 | Reserve | - | - |
| #A17 | #C5:17 | External lock button left rear | Ulow | Open circuit. Indicates ground connection when button is depressed. |
| #A18 | #C5:18 | Reserve | - | - |
| #A19 | #C5:19 | Outer lock button left front | Ulow | Open circuit. Indicates ground connection when button is depressed. |
| #A20 | #C5:20 | Switch unlocking right rear | Ulow | Open circuit. Indicates ground connection when pulling out the external door handle. |
| #A21 | #C5:21 | Switch unlocking left front | Ulow | Open circuit. Indicates ground connection when pulling out the external door handle. |
| #A22 | #C5:22 | Switch unlocking right front | Ulow | Open circuit. Indicates ground connection when pulling out the external door handle. |
| #A23 | #C5:23 | Reserve | - | |