Signal Specification
NOTE:
It is important to connect the breakout box and check the ground terminals before taking readings.
Other information
- To connect the breakout box, see CONNECTING THE BREAKOUT BOX
- To check ground terminals, see CHECKING THE GROUND TERMINAL .
| U= | DC voltage in volts (V) | UAC = | AC voltage in volts (V) |
| Ubat = | Battery voltage (V) | f = | Frequency in Hertz (Hz) |
| Ulow = | Voltage approximately 0 V | % duty = | Duty cycle (pulse ratio) as a percentage (%) |
| t = | Time in milliseconds (ms) | - | - |
| Connector A, terminals #A1-#A20 The following values are measured between the relevant terminal in column 1 and terminal #E1 (power ground) unless otherwise stated.
NOTE:
Check the ground terminals before starting to take readings with the breakout box. U = DC in volts (V) Ubat = battery voltage in volts (V) Ulow = Voltage close to 0 V |
| Breakout box terminal | Terminal in connector | Signal type | Ignition off | Ignition on | Other | ||
|---|---|---|---|---|---|---|---|
| - | - | - | Activated | Not activated | Activated | Not activated | - |
| #A1 | #A1 | Signal (-) back-up (reversing) lamp | Ulow | Ubat | Ulow | Ubat | - |
| #A2 | #A2 | Signal, for fault-tracing the actuator motor for the left-hand xenon lamp | Ulow | Ulow | Ulow-Ubat if active, Ulow otherwise in pulse ratio (%duty) = 0-100% |
A fault is detected at 65% > pulse ratio (%duty) > 90% | |
| #A3 | #A3 | Control signal, starter motor relay | - | 0 V | 0 V | Activated with key in position III | |
| #A4 | #A4 | Signal, Hood switch | Ulow with the hood closed Ulow-Ubat with the hood open |
Pulsed signal, f=100 Hz | |||
| #A5 | #A5 | Signal (-) L-signal | Ulow | Ulow | Ubat | U~0.3-0.7*Ubat | - |
| #A6 | #A6 | Stepper motor speed related power steering (channel B) | Ulow | Ulow-Ubat | Ulow | signal for 12 ms | |
| #A7 | #A7 | Stepper motor speed related power steering (channel A) | Ulow | Ulow-Ubat | Ulow | signal for 12 ms | |
| #A8 | #A8 | Control signal relay for headlamp washing | Ulow | Ubat | Ulow | Ubat | - |
| #A9 | #A9 | Pulse width modulated signal (+) to beam adjustment unit | Ulow | Ulow-Ubat if active, Ulow otherwise Pulse ratio (% duty) > 0% |
Pulse ratio increases with increased beam width | ||
| #A10 | #A10 | - | - | - | - | ||
| #A11 | #A11 | Stepper motor speed related power steering (channel B) | Ulow | Ulow-Ubat | Ulow | signal for 12 ms | |
| #A12 | #A12 | Stepper motor speed related power steering (channel A) | Ulow | Ulow-Ubat | Ulow | signal for 12 ms | |
| #A13 | #A13 | Control signal, windshield wiper relay off/on | Ubat | Ulow | Ubat | - | |
| #A14 | #A14 | Control signal, windshield wiper high speed relay | Ubat | Ulow | Ubat | - | |
| #A15 | #A15 | Glass breakage loop, pulsed signal | 0-12 V | Ulow | Ulow | 0-12 V periodically when the car is alarmed | |
| #A16 | #A16 | Control signal, front washer motor relay | Ubat | Ulow | Ubat | - | |
| #A17 | #A17 | Control signal, rear washer motor relay | Ubat | Ulow | Ubat | (5 DRS) | |
| #A18 | #A18 | Volcano Lite | The voltage is 0 V - Ubat during communication | Serial communication | |||
| #A19 | #A19 | Control signal, horn relay | Ulow | Ubat | Ulow | Ubat | - |
| #A20 | #A20 | Signal (-), starter motor relay | Ulow | Ubat | Ulow | - | |
| Connector B, terminals #B1 - #B20 The following values are measured between the relevant terminal in column 1 and terminal #E1 (power ground) unless otherwise stated.
NOTE:
Check the ground terminals before starting to take readings with the breakout box. U = DC in volts (V) Ubat = battery voltage in volts (V) Ulow = Voltage close to 0 V |
| Breakout box terminal | Terminal in connector | Signal type | Ignition off | Ignition on | Other | ||
|---|---|---|---|---|---|---|---|
| - | - | - | Activated | Not activated | Activated | Not activated | - |
| #A21 | #B1 | S-supply (Power supply from ignition switch) | Ulow (Key out), Ubat (key in) | - | |||
| #A22 | #B2 | X-supply (Power supply from the ignition switch) | Ubat (Key in positions I and II); Ulow otherwise | - | |||
| #A23 | #B3 | 15-supply (Power supply from ignition switch) | Ubat (Key in positions II and III); Ulow otherwise | - | |||
| #A24 | #B4 | Stop lamp switch signal | Ubat | Ulow | Ubat | Ulow | - |
| #A25 | #B5 | Supply upper stop lamp (4 door) | Ubat | 6 V | Ubat | 6 V | - |
| #A26 | #B6 | Supply to stop lamp relay in the rear electronic module | Ulow | Ubat | Ulow | Ubat | - |
| #A27 | #B7 | Diagnostic communication (CAN H) for the high speed network | The voltage is 2.0-3.5 V during communication | - | |||
| #A28 | #B8 | Diagnostic communication (CAN_L) for the high speed network | The voltage is 1.5-2.5 V during communication | - | |||
| #A29 | #B9 | Signal (-) sensor for the front left seat belt buckle | Ulow | 0-5 V | 0-5 V | - | |
| #A30 | #B10 | Reference voltage (+) for X-supply to the left seat belt buckle | Ulow | Ubat | - | ||
| #A31 | #B11 | Serial communication the left heated seat | Ulow | During communication voltage is ~Ubat | - | ||
| #A32 | #B12 | Signal (-) contact breaker (left rear door open) | Ulow-Ubat if the door is open, Ulow otherwise | Pulsed signal, f=100 Hz. | |||
| #A33 | #B13 | Signal (-) contact breaker (left rear door locked) | Ulow if the door is locked, Ubat otherwise | - | |||
| #A34 | #B14 | Frequency signal (-) from the Engine Control Module (ECM) for the fuel pump (FP) relay | Ulow | Frequency signal U=Ulow-Ubat | f=50 HZ | ||
| #A35 | #B15 | Signal (-) from the windshield washer reservoir level sensor | Ubat if the tank is not empty, Ulow if under 1 liter. | - | |||
| #A36 | #B16 | Signal (-) from the windshield wiper motor | Ulow | Ubat | Ulow | Ubat | Ulow if the engine is running |
| #A37 | #B17 | Communication CAN_H high speed network | The voltage is 2.0-3.5 V during communication | - | |||
| #A38 | #B18 | Communication CAN_L high speed network | The voltage is 1.5-2.5 V during communication | - | |||
| #A39 | #B19 | Diagnostic communication (CAN_H) for the low speed network | The voltage is 2.0-3.5 V during communication | - | |||
| #A40 | #B20 | Diagnostic communication (CAN_L) for the low speed network | The voltage is 1.5-2.5 V during communication | - | |||
| Connector C, terminals #C1-#C20 The following values are measured between the relevant terminal in column 1 and terminal #E1 (power ground) unless otherwise stated.
NOTE:
Check the ground terminals before starting to take readings with the breakout box. U = DC in volts (V) Ubat = battery voltage in volts (V) Ulow = Voltage close to 0 V |
| Breakout box terminal | Terminal in connector | Signal type | Ignition off | Ignition on | Other | ||
|---|---|---|---|---|---|---|---|
| - | - | - | Activated | Not activated | Activated | Not activated | - |
| #A41 | #C1 | Reference voltage (+) for X-supply to the right seat belt buckle | Ulow | Ubat | - | ||
| #A42 | #C2 | Signal (-) sensor for the front right seat belt buckle | Ulow | 0-5 V | 0-5 V | --- | |
| #A43 | #C3 | Signal (-) contact breaker (right rear door locked) | Ulow if the door is locked, Ubat otherwise | - | - | ||
| #A44 | #C4 | Serial communication right heated seat | Ulow | During communication voltage is ~Ubat | - | - | |
| #A45 | #C5 | Signal (-) Lock unit trunk lid | Ulow-Ubat if the tailgate is open, Ulow otherwise | - | Pulsed signal, f=100 Hz. | ||
| #A46 | #C6 | Control signal, auxiliary lamp relay | - | Ubat | Ulow | Ubat | - |
| #A47 | #C7 | - | - | - | - | - | - |
| #A48 | #C8 | - | - | - | - | - | - |
| #A49 | #C9 | - | - | - | - | - | - |
| #A50 | #C10 | - | - | - | - | - | - |
| #A51 | #C11 | - | - | - | - | - | - |
| #A52 | #C12 | - | - | - | - | - | - |
| #A53 | #C13 | - | - | - | - | - | - |
| #A54 | #C14 | Signal (-) fuel pump (FP) relay switch | - | Ulow | Ubat | Ulow | - |
| #A55 | #C15 | - | - | - | - | - | - |
| #A56 | #C16 | - | - | - | - | - | - |
| #A57 | #C17 | - | - | - | - | - | - |
| #A58 | #C18 | Signal (-) contact breaker (right rear door open) | Ulow-Ubat if the door is open, Ulow otherwise | Pulsed signal, f= 100 Hz. | |||
| #A59 | #C19 | - | - | - | - | - | - |
| #A60 | #C20 | Reserve (-) | - | - | - | - | - |
| Connector D, terminals #D1-#D20 The following values are measured between the relevant terminal in column 1 and terminal #E1 (power ground) unless otherwise stated.
NOTE:
Check the ground terminals before starting to take readings with the breakout box. U = DC in volts (V) Ubat = battery voltage in volts (V) Ulow = Voltage close to 0 V |
| Breakout box terminal | Terminal in connector | Signal type | Ignition off | Ignition on | Other | ||
|---|---|---|---|---|---|---|---|
| - | - | - | Activated | Not activated | Activated | Not activated | - |
| #B1 | #D1 | Control signal automatic gear selector module, switch to ground | - | Ubat | Ulow | - | |
| #B2 | #D2 | Communication CAN L low speed network | The voltage is 1.5-2.5 V during communication | - | |||
| #B3 | #D3 | Communication CAN_H low speed network | The voltage is 2-3.5 V during communication | - | |||
| #B4 | #D4 | Signal (-) from control stalks (Limp Home) | Ubat | Ulow | Ubat | Ulow | - |
| #B5 | #D5 | Signal (-) from the SRS-control module (airbag OK) | Ubat for 200 ms if the airbag is triggered, Ulow if the airbag is not triggered. | - | |||
| #B6 | #D6 | Serial communication (K-line), diagnostic | The voltage is 0 V - Ubat during communication | - | |||
| #B7 | #D7 | Signal (-) contact breaker (left front door open) | Ulow-Ubat if the door is open, Ulow otherwise. | Pulsed signal, f= 100 Hz. | |||
| #B8 | #D8 | Signal (-) contact breaker (right front door open) | Ulow-Ubat if the door is open, Ulow otherwise. | Pulsed signal, f= 100 Hz. | |||
| #B9 | #D9 | Signal (-) from the gear-shift position sensor (locked in P/N) | Ulow | Ulow | Ulow | Ubat | Ulow in P and N position |
| #B10 | #D10 | Signal (+), speed (frequency signal) | Ulow | Ulow-Ubat | Frequency signal increases with speed | ||
| #B11 | #D11 | Signal, for fault-tracing the actuator motor for the right-hand xenon lamp | Ulow | Ulow | Ulow-Ubat if active, Ulow otherwise in pulse ratio (% duty) = 0-100% |
A fault is detected at 65%>pulse ratio (%duty)>90% | |
| #B12 | #D12 | Signal (-) from horn switch | Ulow | Ubat | Ulow | Ubat | - |
| #B13 | #D13 | Signal (+) data Immobilizer | Ulow | Ubat | - | ||
| #B14 | #D14 | Signal (+) Immobilizer | Ulow | Ubat | - | ||
| #B15 | #D15 | - | - | - | - | - | - |
| #B16 | #D16 | Signal (-) switch for the hazard warning signal flasher | Ulow if the button is held in, Ubat otherwise | - | |||
| #B17 | #D17 | Pulse width modulated signal (+) lamp in button for hazard warning signal flasher | Ulow-Ubat if active, Ulow otherwise Pulse ratio (% duty) > 0% |
- | |||
| #B18 | #D18 | Signal (+) glove compartment lighting | Ubat | 30 minutes after ignition off, Ulow | |||
| #B19 | #D19 | Signal (+) ignition switch illumination | Ubat | Ulow | Ubat | Ulow | - |
| #B20 | #D20 | Signal (+) Alarm indicator LED | Ulow or 0.7 V | Ulow | 0.7 V if the LED is active | ||
| Connector E, terminals #E1-#E8 The following values are measured between the relevant terminal in column 1 and terminal #E1 (power ground) unless otherwise stated.
NOTE:
Check the ground terminals before starting to take readings with the breakout box. U = DC in volts (V) Ubat = battery voltage in volts (V) Ulow = Voltage close to 0 V |
| Breakout box terminal | Terminal in connector | Signal type | Ignition off | Ignition on | Other | ||
|---|---|---|---|---|---|---|---|
| - | - | - | Activated | Not activated | Activated | Not activated | - |
| #B21 | #E1 | Power ground | Ulow | - | |||
| #B22 | #E2 | Pulse width modulated signal (+) courtesy lighting | Ulow-Ubat if active, Ulow otherwise | - | - | ||
| #B23 | #E3 | 30-supply to turn signal lamps and hazard warning signal flasher | Ubat | - | - | ||
| #B24 | #E4 | - | - | - | - | - | - |
| #B25 | #E5 | - | - | - | - | - | - |
| #B26 | #E6 | 30-supply to the central electronic module (CEM) | Ubat | - | |||
| #B27 | #E7 | - | - | - | - | - | - |
| #B28 | #E8 | Pulse width modulated signal (+) to rheostat | Ulow-Ubat if active, Ulow otherwise | - | - | ||