Component specifications
The component specification gives the value of the component when the connector is disconnected. Where no value is given, it is not possible to measure a relevant value at the component.
The figure within the brackets indicates the terminal pin on the component to which the value refers.
| Designation | Type | Supply voltage | Value | Other |
|---|---|---|---|---|
| Active yaw control sensor | CAN node with integrated yaw rate sensor, lateral accelerometer and accelerometer (AWD only) | 12 V (#3-#5) | Yaw rate sensor: °/s Lateral accelerometer: m/s 2 Accelerometer: m/s 2 | The active yaw control sensor either contains two (2WD) or three (AWD) sensors and is connected to the brake control module with its own CAN lead. |
| Brake pressure sensor 1 & 2 | Pressure switch (Pressostat) | 5 V (#1-#3) | Operating range 0-170 bar 21 bar when brake pedal is not depressed | |
| Pressure build-up valve | Electro-magnetically controlled valve | 12 V | Pulse width modulated (PWM) signal | |
| Wheel sensor | Hall sensor | 12 V | Tooth against sensor: I approx. 14mA U approx. 9V Cover against sensor: I approx. 7 mA U approx. 1V below Ubat | |
| Pedal pressure sensor | Two position switch | 12 V (#2-#5) NO (#1-#5) NC | NO = Normally open NC = Normally closed | |
| Pedal position sensor | Slide potentiometer | 12 V | 0 mm: approx. 0 V 38.5 mm: approx. 95 % of Ubat |
Signal specification, ABS / DSTC (dynamic stability and traction control) control module
All the values given are between the relevant terminal in column 1 and terminals #A15 or #A46 (ground), unless otherwise indicated in brackets.
Note. It is important that the breakout box is connected and that the ground terminals have been checked before readings are taken.
| U = | DC voltage in volts (V) | Ubat = | Battery voltage (V) | |
|---|---|---|---|---|
| I = | Current in amperes (A) | Ulow = | Voltage approximately 0 V | |
| F = | Frequency in Hertz (Hz) |
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Other |
|---|---|---|---|---|
| #A1 | #1 | Pressure build-up valve signal | Pulse width modulated signal I = Max 4 A F = 18 kHz | |
| #A2 | #2 | |||
| #A3 | #3 | Front right wheel sensor signal | Tooth against sensor: I approx. 14 mA, U approx. 9 V Cover against sensor: I approx. 7 mA, U approx. 10 V (at normal system voltage) | The wheel sensors generate a current for the control module. When the pulse wheel rotates, the sensor generates a pulsed current (quadratic wave) where the strength of the current depends on the position of the pulse wheel. The frequency increases with speed. |
| #A4 | #4 | Power supply, rear right wheel sensor | U = Ubat | The wheel sensor receives 12 V from the control module. |
| #A5 | #5 | |||
| #A6 | #6 | Power supply, rear right wheel sensor | U = Ubat | The wheel sensor receives 12 V from the control module. |
| #A7 | #7 | Rear right wheel sensor signal | Tooth against sensor: I approx. 14 mA, U approx. 9 V Cover against sensor: I approx. 7 mA, U approx. 10 V (at normal system voltage) | The wheel sensors generate a current for the control module. When the pulse wheel rotates, the sensor generates a pulsed current (quadratic wave) where the strength of the current depends on the position of the pulse wheel. The frequency increases with speed. |
| #A8 | #8 | |||
| #A9 | #9 | Signal ground, lateral acceleration sensor | U approx. Ulow | |
| #A10 | #10 | Brake pressure sensor 2 signal | Sensitivity: 230 mV/kPa (23 mV/bar) Operating range: 0 - 17 MPa (0 - 170 bar) (0.25 V - 4.75 V) Not pressured: 0.5 V | |
| #A11 | #11 | Signal ground, yaw rate sensor 1 | U approx. Ulow | |
| #A12 | #12 | Brake pressure sensor 1 signal | Sensitivity: 230 mV/kPa (23 mV/bar) Operating range: 0 - 17 MPa (0 - 170 bar) (0.25 V - 4.75 V) Not pressured: 0.5 V | |
| #A13 | #13 | Pedal pressure sensor signal | Brake pedal released: U approx. 12 V DC Brake pedal released: F = 142.8 Hz | The signal is measured to terminal #15. The control module transmits a pulsed test signal between 0 and 12 V to check the circuit. The terminal is tested when the brake pedal is depressed. |
| #A14 | #14 | Yaw rate sensor 2 signal | Sensitivity: 27.0 mV/°/s Operating range: +75°/s to -75°/s or (0.475 V to 4.525 V) 0° = 2.5 V Left turn: >2.50 V Right turn: <2.50 V | |
| #A15 | #15 | Power and signal ground (measured to battery negative terminal) | U approx. Ulow | |
| #A16 | #16 | 30-supply inlet and outlet valves (power supply from the battery to the intake and exhaust valves) | U approx. Ubat | Power supply to the in and outlet valves and signal to the control module. |
| #A17 | #17 | Supply voltage pressure build-up valve | U = 4.75 - 5.25 V | |
| #A18 | #18 | |||
| #A19 | #19 | Control modules communication cable (CAN H) | U = 2 - 3 V | |
| #A20 | #20 | Control modules communication cable (CAN L) | U = 2 - 3 V | |
| #A21 | #21 | |||
| #A22 | #22 | |||
| #A23 | #23 | Stop lamp switch signal | Open: U approx. Ulow Closed: U approx. Ubat | The stop lamp switch closes when braking. |
| #A24 | #24 | |||
| #A25 | #25 | Lateral acceleration sensor supply voltage | U = 4.75 - 5.25 V | |
| #A26 | #26 | Brake pressure sensor 2 signal ground | U approx. Ulow | |
| #A27 | #27 | Yaw rate sensor 2 power supply | U = 4.75 - 5.25 V | |
| #A28 | #28 | Brake pressure sensor 1 signal ground | U approx. Ulow | |
| #A29 | #29 | Pedal pressure sensor signal | Brake pedal released: F = 142.8 Hz Brake pedal released: U approx. 12 V DC | The signal is measured to terminal #15. The control module transmits a pulsed test signal between 0 and 12 V to check the circuit. The terminal is tested when the brake pedal is unaffected. |
| #A30 | #30 | Signal ground, yaw rate sensor 2 | U approx. Ulow | |
| #A31 | #31 | |||
| #A32 | #32 | Voltage reading pedal pressure sensor | U approx. Ubat | |
| #A33 | #33 | Front left wheel sensor signal | Tooth against sensor: I approx. 14 mA, U approx. 9 V Cover against sensor: I approx. 7 mA, U approx. 10 V (at normal system voltage) | The wheel sensors generate a current for the control module. When the pulse wheel rotates, the sensor generates a pulsed current (quadratic wave) where the strength of the current depends on the position of the pulse wheel. The frequency increases with speed. |
| #A34 | #34 | Front left wheel sensor power supply | U = Ubat | The wheel sensor receives 12 V from the control module. |
| #A35 | #35 | |||
| #A36 | #36 | Rear left wheel sensor power supply | U = Ubat | The wheel sensor receives 12 V from the control module. |
| #A37 | #37 | Rear left wheel sensor signal | Tooth against sensor: I approx. 14 mA, U approx. 9 V Cover against sensor: I approx. 7 mA, U approx. 10 V (at normal system voltage) | The wheel sensors generate a current for the control module. When the pulse wheel rotates, the sensor generates a pulsed current (quadratic wave) where the strength of the current depends on the position of the pulse wheel. The frequency increases with speed. |
| #A38 | #38 | |||
| #A39 | #39 | |||
| #A40 | #40 | Lateral acceleration sensor signal | Sensitivity: 1.2 V/g Operating range: -1.7g to +1.7g (-1.7g = 4.75 V) (+1.7g = 0.25 V) (0g = 2.5 V) Left turn: <2.50 V Right turn: >2.50 V | |
| #A41 | #41 | Brake pressure sensor 2 power supply | U = 4.75 - 5.25 V | |
| #A42 | #42 | Yaw rate sensor 1 signal | Sensitivity: 27.0 mV/°/s Operating range: +75°/s to -75°/s (0.475 V - 4.525 V) (0° = 2.5 V) Left turn: <2.50 V Right turn: >2.50 V | |
| #A43 | #43 | Brake pressure sensor 1 power supply | U = 4.75 - 5.25 V | |
| #A44 | #44 | 15-supply (power supply from the ignition switch) | U = Ubat | |
| #A45 | #45 | Yaw rate sensor 1 power supply | U = 4.75-5.25 V | |
| #A46 | #46 | Power and signal ground | U = Ulow | |
| #A47 | #47 | 30-supply pump motor (power supply from the battery) | U = Ubat |
Signal specification, ABS control module
All values given are between the relevant terminal in column 1 and terminal #A8 or #A24 (ground), unless otherwise indicated in brackets.
Note. It is important that the breakout box is connected and that the ground terminals have been checked before readings are taken.
| U = | DC voltage in volts (V) | Ubat = | Battery voltage (V) | |
|---|---|---|---|---|
| I = | Current in amperes (A) | Ulow = | Voltage approximately 0 V |
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Other |
|---|---|---|---|---|
| #A1 | #1 | Front left wheel sensor signal | Tooth against sensor: I approx. 14 mA, U approx. 9 V Cover against sensor: I approx. 7 mA, U approx. 10 V (at normal system voltage) | The wheel sensors generate a current for the control module. When the pulse wheel rotates, the sensor generates a pulsed current (quadratic wave) where the strength of the current depends on the position of the pulse wheel. The frequency increases with speed. |
| #A2 | #2 | Front left wheel sensor power supply | U = Ubat | |
| #A3 | #3 | |||
| #A4 | #4 | 15-supply (power supply from ignition switch) | U = Ubat | |
| #A5 | #5 | Rear left wheel sensor signal | Tooth against sensor: I approx. 14 mA, U approx. 9 V Cover against sensor: I approx. 7 mA, U approx. 10 V (at normal system voltage) | The wheel sensors generate a current for the control module. When the pulse wheel rotates, the sensor generates a pulsed current (quadratic wave) where the strength of the current depends on the position of the pulse wheel. The frequency increases with speed. |
| #A6 | #6 | Rear left wheel sensor power supply | U = Ubat | |
| #A7 | #7 | |||
| #A8 | #8 | Power and signal ground (measured to battery negative terminal) | U approx. Ulow | |
| #A9 | #9 | 30-supply inlet and outlet valves (power supply from the battery to the intake and exhaust valves) | U approx. Ubat | Power supply to the in and outlet valves and signal to the control module. |
| #A10 | #10 | Control modules communication cable (CAN L) | U = 2 - 3V | |
| #A11 | #11 | Control modules communication cable (CAN H) | U = 2 - 3V | |
| #A12 | #12 | |||
| #A13 | #13 | |||
| #A14 | #14 | Stop lamp switch signal (applies only to AWD TRACS) | Open: U approx. Ulow Closed: U approx. Ubat. | The stop lamp switch closes when braking. |
| #A15 | #15 | |||
| #A16 | #16 | |||
| #A17 | #17 | |||
| #A18 | #18 | Stop lamp switch signal | Open: U approx. Ulow Closed: U approx. Ubat | The stop lamp switch closes when braking. |
| #A19 | #19 | Front right wheel sensor signal | Tooth against sensor: I approx. 14 mA U approx. 9 V Cover against sensor: I approx. 7 mA U approx. 10 V (at normal system voltage) | The wheel sensors generate a current for the control module. When the pulse wheel rotates, the sensor generates a pulsed current (quadratic wave) where the strength of the current depends on the position of the pulse wheel. The frequency increases with speed. |
| #A20 | #20 | Power supply, rear right wheel sensor | U = Ubat | |
| #A21 | #21 | |||
| #A22 | #22 | Power supply, rear right wheel sensor | U = Ubat | The wheel sensor receives 12 V from the control module. |
| #A23 | #23 | Rear right wheel sensor signal | Tooth against sensor: I approx. 14 mA, U approx. 9 V Cover against sensor: I approx. 7 mA, U approx. 10 V (at normal system voltage) | The wheel sensors generate a current for the control module. When the pulse wheel rotates, the sensor generates a pulsed current (quadratic wave) where the strength of the current depends on the position of the pulse wheel. The frequency increases with speed. |
| #A24 | #24 | Power and signal ground (measured to battery negative terminal) | U approx. Ulow | |
| #A25 | #25 | 30-supply pump motor (power supply from the battery) | U approx. Ubat |
Signal specification, brake control module (BCM) with DSTC (dynamic stability and traction control)
All values given are between the relevant terminal in column 1 and terminal #A16 or #A47 (ground), unless otherwise indicated in brackets.
Connections 9, 13, 24, 26, 35, 38, 40-41 and 44 are not used.
Note. It is important that the breakout box is connected and that the ground connections have been checked before starting to measure.
| U = | DC voltage in volts (V) | U bat = | Battery voltage (V) | ||
|---|---|---|---|---|---|
| I = | Current in amperes (A) | U low = | Voltage approximately 0 V | ||
| F = | Frequency in Hertz (Hz) |
| Breakout box terminal | Terminal ECU | Signal type | Ignition on | Miscellaneous |
|---|---|---|---|---|
| #A1 | #1 | 30-supply pump motor (power supply from battery) | U = U bat | With a 30 A fuse. |
| #A2 | #2 | Diagnostic lead C-link | ||
| #A3 | #3 | Pedal position sensor, signal | 0 - 5 V | Brake pedal position, analog signal. 0 mm: approx. 0 V 38.5 mm: approx. 95% of 5 V |
| #A4 | #4 | 15-supply (power supply from the ignition switch) | U = U bat | |
| #A5 | #5 | Pedal position sensor, signal ground | U = U low | |
| #A6 | #6 | Active yaw control sensor, power supply | U = U bat | The active yaw control sensor receives 12 V from the control module. |
| #A7 | #7 | Pedal position sensor, power supply | U = 5 V | The pedal position sensor receives 5 V from the control module. |
| #A8 | #8 | Wheel sensor right rear, signal output. | Tooth at sensor U approx. U low Cover at sensor U approx. U bat | Measure by creating a temporary voltage supply between #1 via a resistance of 1kohms and #8. Connect a voltmeter between #8 and ground connection #16. Turn the wheel slowly. |
| #A9 | #9 | |||
| #A10 | #10 | Wheel sensor left rear, signal output. | Tooth at sensor U approx. U low Cover at sensor U approx. U bat | Measure by creating a temporary voltage supply between #1 via a resistance of 1kohms and #10. Connect a voltmeter between #10 and ground connection #16. Turn the wheel slowly. |
| #A11 | #11 | Control modules communication cable (CAN H) | U = 2 - 3 V | |
| #A12 | #12 | Wheel sensor right front, signal output. | Tooth at sensor U approx. U low Cover at sensor U approx. U bat | Measure by creating a temporary voltage supply between #1 via a resistance of 1kohms and #12. Connect a voltmeter between #12 and ground connection #16. Turn the wheel slowly. |
| #A13 | #13 | |||
| #A14 | #14 | Wheel sensor left front, signal output. | Tooth at sensor U approx. U low Cover at sensor U approx. U bat | Measure by creating a temporary voltage supply between #1 via a resistance of 1kohms and #14. Connect a voltmeter between #14 and ground connection #16. Turn the wheel slowly. |
| #A15 | #15 | Control modules communication cable (CAN L) | U = 2 - 3 V | |
| #A16 | #16 | Power and signal ground | U = U low | Ground terminal for the input and outlet valves and signal to the control module. |
| #A17 | #17 | Pressure build-up valve, power supply. | U = 4.75 - 5.25 V | |
| #A18 | #18 | Brake pressure sensor 2 (B), voltage-feed | U = 4.75 - 5.25 V | Due to possibility of incorrect installation, #18-#20 may also be Brake pressure sensor 1 (A). |
| #A19 | #19 | Brake pressure sensor 2 (B), signal ground | U = U low | |
| #A20 | #20 | Brake pressure sensor 2 (B), signal | U = 0.25 - 4.75 V | Analog signal 0 - 170 bar 23 mV/bar 0 bar = 0.5 V |
| #A21 | #21 | Brake pressure sensor 1 (A), signal ground. | U = U low | Due to possibility of incorrect installation, #21-#23 may also be Brake pressure sensor 2 (B). |
| #A22 | #22 | Brake pressure sensor 1 (A), voltage-feed. | U = 4.75 - 5.25 V | |
| #A23 | #23 | Brake pressure sensor 1 (A), signal | U = 0.25 - 4.75 V | Analog signal 0 - 170 bar 23 mV/bar 0 bar = 0.5 V |
| #A24 | #24 | |||
| #A25 | #25 | Active yaw control sensor, communication cable (CAN L) | U = 2 - 3 V | |
| #A26 | #26 | |||
| #A27 | #27 | Pedal pressure switch, signal | Open: U approx. U low Closed: U approx. U bat | The pedal pressure switch is open when the brake pedal is depressed. |
| #A28 | #28 | Test signal for the pedal pressure switch | ||
| #A29 | #29 | Active yaw control sensor, communication cable (CAN H) | U = 2 - 3 V | |
| #A30 | #30 | Pedal pressure switch, signal | The pedal pressure switch is closed when the brake pedal is not pressed. | |
| #A31 | #31 | Pressure build-up valve, power supply | 12 V | Pulse width modulated signal: maximum 4A 18kHz |
| #A32 | #32 | 30-supply for the valves (power supply from battery) | U = U bat | With a 30 A fuse. |
| #A33 | #33 | Front right wheel sensor. signal | Tooth against sensor: I approx. 14 mA Cover against sensor: I approx. 7 mA | The sensor generates a pulsed signal (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. The frequency increases with speed. For test of sensor's function, see #12 |
| #A34 | #34 | Front right wheel sensor, power supply. | U = U bat | The wheel sensor receives 12 V from the control module. |
| #A35 | #35 | |||
| #A36 | #36 | Rear left wheel sensor, power supply. | U = U bat | The wheel sensor receives 12 V from the control module. |
| #A37 | #37 | Rear left wheel sensor, signal | Tooth against sensor: I approx. 14 mA Cover against sensor: I approx. 7 mA | The sensor generates a pulsed signal (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. The frequency increases with speed. For test of sensor's function, see #10 in the chart |
| #A38 | #38 | |||
| #A39 | #39 | Active yaw control sensor, ground | U = U low | |
| #A40 | #40 | |||
| #A41 | #41 | |||
| #A42 | #42 | Rear right wheel sensor, signal | Tooth against sensor: I approx. 14 mA Cover against sensor: I approx. 7 mA | The sensor generates a pulsed signal (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. The frequency increases with speed. For test of sensor's function, see #8 in the chart |
| #A43 | #43 | Right rear wheel sensor, power supply | U = U bat | The wheel sensor receives 12 V from the control module. |
| #A44 | #44 | |||
| #A45 | #45 | Front left wheel sensor, power supply | U = U bat | The wheel sensor receives 12 V from the control module. |
| #A46 | #46 | Front left wheel sensor, signal | Tooth against sensor: I approx. 14 mA Cover against sensor: I approx. 7 mA | The sensor generates a pulsed signal (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. The frequency increases with speed. For test of sensor's function, see #14 in the chart |
| #A47 | #47 | Power and signal ground | U = U low | Ground terminal for the pump motor. |
Signal specification, brake control module (BCM) with STC/ TRACS
All values given are between the relevant terminal in column 1 and terminal #A16 or #A47 (ground), unless otherwise indicated in brackets.
Pins 6, 9, 13, 17-31, 35, 38-41 and 44 are not used.
Note. It is important that the breakout box is connected and that the ground connections have been checked before starting to measure.
| U = | DC voltage in volts (V) | Ubat = | Battery voltage (V) | ||
|---|---|---|---|---|---|
| I = | Current in amperes (A) | Ulow = | Voltage approximately 0 V | ||
| F = | Frequency in Hertz (Hz) |
| Breakout box terminal | Terminal ECU | Signal type | Ignition on | Miscellaneous |
|---|---|---|---|---|
| #A1 | #1 | Pump motor, 30-supply (power supply from the battery) | U = Ubat | With a 30 A fuse. |
| #A2 | #2 | Diagnostic lead C-link | ||
| #A3 | #3 | Pedal position sensor, signal | 0 - 5 V | Analogue signal which indicates the position of the brake pedal. 0 mm: approx. 0V 38 mm: approx. 95% of 5 V |
| #A4 | #4 | 15-supply (power supply from the ignition switch) | U = Ubat | |
| #A5 | #5 | Pedal position sensor, signal ground | U = Ulow | |
| #A6 | #6 | |||
| #A7 | #7 | Pedal position sensor, power supply | U = 5 V | The pedal position sensor receives 5 V from the control module. |
| #A8 | #8 | Wheel sensor right rear, signal output | Tooth against sensor U approx. U low Cover against sensor U approx. U bat | Measure by creating a temporary voltage supply between #1 via a 1kohms and #8. Connect a voltmeter between #8 and ground connection #16. Turn the wheel slowly. |
| #A9 | #9 | |||
| #A10 | #10 | Wheel sensor left rear, signal output | Tooth against sensor U approx. U low Cover against sensor U approx. U bat | Measure by creating a temporary voltage supply between #1 via a 1kohms and #10. Connect a voltmeter between #10 and ground connection #16. Turn the wheel slowly. |
| #A11 | #11 | Control modules communication cable (CAN H) | U = 2-3 V | |
| #A12 | #12 | Wheel sensor right front, signal output | Tooth against sensor U approx. U low Cover against sensor U approx. U bat | Measure by creating a temporary voltage supply between #1 via a 1kohms and #12. Connect a voltmeter between #12 and ground connection #16. Turn the wheel slowly. |
| #A13 | #13 | |||
| #A14 | #14 | Wheel sensor left front, signal output | Tooth against sensor U approx. U low Cover against sensor U approx. U bat | Measure by creating a temporary voltage supply between #1 via a 1kohms and #14. Connect a voltmeter between #14 and ground connection #16. Turn the wheel slowly. |
| #A15 | #15 | Control modules communication cable (CAN L) | U = 2-3 V | |
| #A16 | #16 | Power and signal ground | U = Ulow | Ground terminal for the input and outlet valves and signal to the control module. |
| #A17 | #17 | |||
| #A18 | #18 | |||
| #A19 | #19 | |||
| #A20 | #20 | |||
| #A21 | #21 | |||
| #A22 | #22 | |||
| #A23 | #23 | |||
| #A24 | #24 | |||
| #A25 | #25 | |||
| #A26 | #26 | |||
| #A27 | #27 | |||
| #A28 | #28 | |||
| #A29 | #29 | |||
| #A30 | #30 | |||
| #A31 | #31 | |||
| #A32 | #32 | 30-supply to the valves (power supply from the battery) | U = Ubat | With a 30 A fuse. |
| #A33 | #33 | Front right wheel sensor. signal | Tooth against sensor: I approx. 14 mA Cover against sensor: I approx. 7 mA | The sensor generates a pulsed signal (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. The frequency increases with speed. For test of sensor's function, see #12 in chart. |
| #A34 | #34 | Front right wheel sensor, power supply | U = Ubat | The wheel sensor receives 12 V from the control module. |
| #A35 | #35 | |||
| #A36 | #36 | Rear left wheel sensor, power supply | U = Ubat | The wheel sensor receives 12 V from the control module. |
| #A37 | #37 | Rear left wheel sensor, signal | Tooth against sensor: I approx. 14 mA Cover against sensor: I approx. 7 mA | The sensor generates a pulsed signal (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. The frequency increases with speed. For test of sensor's function, see #10 in chart. |
| #A38 | #38 | |||
| #A39 | #39 | |||
| #A40 | #40 | |||
| #A41 | #41 | |||
| #A42 | #42 | Rear right wheel sensor, signal | Tooth against sensor: I approx. 14 mA Cover against sensor: I approx. 7 mA | The sensor generates a pulsed signal (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. The frequency increases with speed. For test of sensor's function, see #8 in chart. |
| #A43 | #43 | Right rear wheel sensor, power supply. | U = Ubat | The wheel sensor receives 12 V from the control module. |
| #A44 | #44 | |||
| #A45 | #45 | Front left wheel sensor, power supply | U = Ubat | The wheel sensor receives 12 V from the control module. |
| #A46 | #46 | Front left wheel sensor, signal | Tooth against sensor: I approx. 14 mA Cover against sensor: I approx. 7 mA | The sensor generates a pulsed signal (quadratic wave) with a fixed pulse ratio when the pulse wheel rotates. The frequency increases with speed. For test of sensor's function, see #14 in chart. |
| #A47 | #47 | Power and signal ground | U = Ulow | Ground terminal for the pump motor. |