SIGNAL SPECIFICATION
General
All the values given below are between the respective terminal in column 1 and terminal #C1:12 in column 2 (power ground) unless otherwise stated in parenthesis after the table entry.
Note. It is important to connect the breakout box and check the ground terminals before taking readings.
| U= | DC voltage in volts (V) | U AC = | AC voltage in volts (V) |
|---|---|---|---|
| U bat = | Battery voltage (V) | F = | Frequency in Hertz (Hz) |
| U low = | Voltage approximately 0 V | T = | Time in seconds |
| PWM = | Pulse width modulated signal as a % |
Scheme 144
| Breakout box terminal | Control module terminal | Signal type | Ignition off Active/Inactive | Ignition on Active/Inactive | Other |
|---|---|---|---|---|---|
| #1 | #C1:1 | ||||
| #2 | #C1:2 | Local CAN bus FLR, low signal | 1.5 - 2.5 V | 1.5 - 2.5 V | During communication |
| #3 | #C1:3 | Local CAN bus FLR, high signal | 2.5 - 3.5V | 2.5 - 3.5V | During communication |
| #4 | #C1:4 | ||||
| #5 | #C1:5 | ||||
| #6 | #C1:6 | ||||
| #7 | #C1:7 | ||||
| #8 | #C1:8 | Communication CAN_L high speed network | During communication the voltage is 1.5 - 2.5 V | ||
| #9 | #C1:9 | Communication CAN_H high speed network | During communication the voltage is 2.0 - 3.5V | ||
| #10 | #C1:10 | Visual indicator, collision warning terminal C1:3, power supply | U=0.2 - 5.0V/U low | U=0.2 - 5.0V/U low | Output, PWM signal |
| #11 | #C1:11 | Visual indicator, collision warning terminal C1:2, power supply | U=0.2 - 5.0V/U low | U=0.2 - 5.0V/U low | Output, PWM signal |
| #12 | #C1:12 | Power ground | U low /U low | U low /U low | |
| #13 | #C1:13 | Visual indicator, collision warning terminal C1:1, power supply | U=0.2 - 5.0V/U low | U=0.2 - 5.0V/U low | Output, PWM signal |
| #14 | #C1:14 | 15-feed | U low /U low | U low / U bat | |
| #15 | #C1:15 | Power supply | U low / U bat | U low / U bat | Via interior lighting relay, CEM |
| #16 | #C1:16 | ||||
| #17 | #C1:17 | ||||
| #18 | #C1:18 | ||||
| #19 | #C1:19 | ||||
| #20 | #C1:20 | ||||
| #21 | #C1:21 | ||||
| #22 | #C1:22 | ||||
| #23 | #C1:23 | ||||
| #24 | #C1:24 | ||||
| #25 | #C1:25 | ||||
| #26 | #C1:26 | ||||
| #27 | #C1:27 | Visual indicator, collision warning terminal C1:4, signal ground | U low >/U low | U low /U low | |
| #28 | #C1:28 | ||||
| #29 | #C1:29 | ||||
| #30 | #C1:30 | ||||
SIGNAL TABLE
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) | ||
|---|---|---|---|
| U bat = | Battery voltage (V) | ||
| U low = | Voltage approximately 0 V |
Connector C1
Scheme 145
| 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 (-) | U low | |
| #B2 | #C3:2 | Power supply, quick lock left-hand rear (-) | U low | |
| #B3 | #C3:3 | Reserve | ||
| #B4 | #C3:4 | Ground terminal | U low | |
| #B5 | #C3:5 | Power supply | U bat | |
| #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 | U low | 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 V rms ) 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 | U low | 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 | U low | Open circuit. Indicates ground connection when button is depressed. |
| #A3 | #C5:3 | Contact breaker at clutch pedal | 'U low | Closes when the clutch pedal is depressed to 75% of length of stroke. |
| #A4 | #C5:4 | Switch unlocking left rear | U low | Open circuit. Indicates ground connection when pulling out the external door handle. |
| #A5 | #C5:5 | Outer lock button right rear. | U low | 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 | U low | 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 | U low | Open circuit. Indicates ground connection when button is depressed. |
| #A18 | #C5:18 | Reserve | ||
| #A19 | #C5:19 | Outer lock button left front | U low | Open circuit. Indicates ground connection when button is depressed. |
| #A20 | #C5:20 | Switch unlocking right rear | U low | Open circuit. Indicates ground connection when pulling out the external door handle. |
| #A21 | #C5:21 | Switch unlocking left front | U low | Open circuit. Indicates ground connection when pulling out the external door handle. |
| #A22 | #C5:22 | Switch unlocking right front | U low | Open circuit. Indicates ground connection when pulling out the external door handle. |
| #A23 | #C5:23 | Reserve | ||
General
All the values given below are between the terminals stated in column 1 and terminal #C1:8 in column 2 (power ground).
Note. It is important to connect the breakout box and check the ground connections before starting to measure.
| U= | DC voltage in volts (V) | U AC = | AC voltage in volts (V) |
|---|---|---|---|
| U bat = | Battery voltage (V) | F = | Frequency in Hertz (Hz) |
| U low = | Voltage approximately 0 V | T = | Time in seconds |
| PWM = | Pulse width modulated signal as a % |
Scheme 146
| Breakout box terminal | Control module terminal | Signal type | Ignition off | Ignition on (position II) | Miscellaneous |
|---|---|---|---|---|---|
| #1 | #C1:1 | Power supply, parking assistance module (PAM), 15-supply | U = U low | U = U bat | Via relay 15-feed, electrical distribution box luggage compartment. |
| #2 | #C1:2 | ||||
| #3 | #C1:3 | ||||
| #4 | #C1:4 | ||||
| #5 | #C1:5 | ||||
| #6 | #C1:6 | ||||
| #7 | #C1:7 | CAN L | U = U low | During communication U = 1.0 - 2.5 V. | |
| #8 | #C1:8 | Ground | U = U low | U = U low | |
| #9 | #C1:9 | ||||
| #10 | #C1:10 | ||||
| #11 | #C1:11 | ||||
| #12 | #C1:12 | ||||
| #13 | #C1:13 | ||||
| #14 | #C1:14 | CAN H | U = U low | During communication U = 2.5 - 4.0 V. | |
| #15 | #C1:15 | ||||
| #16 | #C1:16 |
CONNECTOR C1
Scheme 147
| Breakout box terminal | Control module terminal | Signal type | Ignition off | Ignition on (position II) | Miscellaneous |
|---|---|---|---|---|---|
| #21 | #C2:1 | Signal ground, front parking sensor | U = U low | U = U low | |
| #22 | #C2:2 | Voltage supply, front parking sensors | U = U low | U = U bat | |
| #23 | #C2:3 | ||||
| #24 | #C2:4 | ||||
| #25 | #C2:5 | Signal, parking sensor outer left front | U = U low | U = 8.8 -16.0V | |
| #26 | #C2:6 | Signal, parking sensor inner left front | U = U low | U = 8.8 -16.0V | |
| #27 | #C2:7 | Signal, parking sensor inner right front | U = U low | U = 8.8 -16.0V | |
| #28 | #C2:8 | Signal, parking sensor outer right front | U = U low | U = 8.8 -16.0V | |
| #29 | #C2:9 | ||||
| #30 | #C2:10 | ||||
| #31 | #C2:11 | ||||
| #32 | #C2:12 |
CONNECTOR C2, CENTER TERMINAL
Scheme 148
| Breakout box terminal | Control module terminal | Signal type | Ignition off | Ignition on (position II) | Miscellaneous |
|---|---|---|---|---|---|
| #41 | #C3:1 | ||||
| #42 | #C3:2 | Signal, parking sensor inner right rear | U = U low | U = 8.8 -16.0V | |
| #43 | #C3:3 | Signal, parking sensor inner left rear | U = U low | U = 8.8 -16.0V | |
| #44 | #C3:4 | Signal, parking sensor outer right rear | U = U low | U = 8.8 -16.0V | |
| #45 | #C3:5 | Signal, parking sensor outer left rear | U = U low | U = 8.8 -16.0V | |
| #46 | #C3:6 | ||||
| #47 | #C3:7 | ||||
| #48 | #C3:8 | Signal ground, rear parking sensors | U = U low | U = U low | |
| #49 | #C3:9 | ||||
| #50 | #C3:10 | ||||
| #51 | #C3:11 | Voltage supply, rear parking sensors | U = U low | U = U bat | |
| #52 | #C3:12 |
CONNECTOR C3