Signal specification
General
All the values given below are between the respective terminal in column 1 and terminal #B3 in column 2 (power ground) unless otherwise stated in brackets after the table entry. Control module terminals #A1-#A60 correspond to terminals #A1-#60 on the breakout box, terminals #A61-#A70 correspond to terminals #B1-#B10 on the breakout box and terminals #B1-#B50 correspond to terminals #B10-#B60 on the breakout box.
Note. It is important to connect the breakout box and check the ground terminals before taking readings.
HINT: If the numbering of the connector is different from the numbering on the breakout box, the connector number is given first, #A61, followed by the breakout box number in brackets, (#B1).
HINT: Example: #A51 (#B1)
| 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 | % duty = | Duty cycle (pulse ratio) as a percentage (%) |
| T = | Time in milliseconds (ms) |
| Terminal | Breakout box | Signal type | Ignition on | Engine idling | Other |
|---|---|---|---|---|---|
| #A1 | #A1 | ||||
| #A2 | #A2 | ||||
| #A3 | #A3 | ||||
| #A4 | #A4 | Signal (+) engine coolant temperature (ECT) sensor | (+30°C) U=1.22 V (+80°C) U=0.29 V (+100°C) U=0.17 V | ||
| #A5 | #A5 | Signal (-) intake air temperature (IAT) sensor | (+20°C) U=3.50 V (+30°C) U=3.00 V (+40°C) U=2.50 V | ||
| #A6 | #A6 | Control signal, engine cooling fan (FC) high-speed | Engine cooling fan (FC) off: U = U bat Engine cooling fan (FC) on: U=U low | ||
| #A7 | #A7 | Control signal, engine cooling fan (FC) low-speed | Engine cooling fan (FC) off: U = U bat Engine cooling fan (FC) on: U=U low | ||
| #A8 | #A8 | ||||
| #A9 | #A9 | EVAP control signal | U = U bat | PWM signal during activation of the canister purge (CP) valve | |
| #A10 | #A10 | ||||
| #A11 | #A11 | ||||
| #A12 | #A12 | Pulsed secondary air injection system (PAIR) valve, control signal | U = U bat | ||
| #A13 | #A13 | Camshaft reset valve control signal | Pulse width modulation (PWM) signal U top =U bat t = 4 ms pulse ratio=12.5% | Pulse width modulation (PWM) signal U top =U bat t = 4 ms pulse ratio = 50% | The pulse ratio increases with engine speed (RPM) |
| #A14 | #A14 | Control signal injector 5 | U = U bat | T= 2-3 ms | T increases with engine speed (RPM) and load |
| #A15 | #A15 | Control signal injector 3 | U = U bat | T= 2-3 ms | T increases with engine speed (RPM) and load |
| #A16 | #A16 | Control signal injector 1 | U = U bat | T= 2-3 ms | T increases with engine speed (RPM) and load |
| #A17 | #A17 | ||||
| #A18 | #A18 | Control signal, front heated oxygen sensor (HO2S) preheating | U = U bat | Preheating of U=U bat Preheating U=U low | |
| #A19 | #A19 | ||||
| #A20 | #A20 | ||||
| #A21 | #A21 | ||||
| #A22 | #A22 | Mass air flow (MAF) sensor signal | U=1 volt | U=1.7 volt | U increases with increasing air mass |
| #A23 | #A23 | Boost pressure sensor signal | U=1.96 volts | U increases with increasing boost pressure | |
| #A24 | #A24 | Front heated oxygen sensor (HO2S), pump current | Pulsed power supply - cannot be measured | Pulsed power supply - cannot be measured | |
| #A25 | #A25 | ||||
| #A26 | #A26 | Oil pressure switch signal | U=U low | U = U bat | |
| #A27 | #A27 | ||||
| #A28 | #A28 | Front heated oxygen sensor (HO2S), calibration current | Cannot be measured | Cannot be measured | |
| #A29 | #A29 | Power supply, camshaft position (CMP) sensor | U =5 V | ||
| #A30 | #A30 | Ignition coil no. 2 control signal | U=U low | U=2.5 V t high =2 ms | The frequency varies according to engine speed (RPM) |
| #A31 | #A31 | Ignition coil no. 1 control signal | U=U low | U=2.5 V t high =2.5 ms | The frequency varies according to engine speed (RPM) |
| #A32 | #A32 | ||||
| #A33 | #A33 | Injector no. 4 control signal | U = U bat | T low =2-3 ms | T increases with engine speed (RPM) and load |
| #A34 | #A34 | Injector no. 2 control signal | U = U bat | T low =2-3 ms | T increases with engine speed (RPM) and load |
| #A35 | #A35 | Control signal, rear heated oxygen sensor (HO2S) preheating | U = U bat | Preheating of U=U bat Preheating U=U low | |
| #A36 | #A36 | ||||
| #A37 | #A37 | Control modules communication cable (CAN H) | Between the engine control module (ECM) and the throttle unit | ||
| #A38 | #A38 | Turbocharger (TC) control valve control signal | U = U bat | U = U bat | Active U=PWM signal |
| #A39 | #A39 | Manifold absolute pressure (MAP) sensor, air conditioning (A/C) pressure sensor, mass air flow (MAF) sensor, 5 volt power supply | U=5 volt | ||
| #A40 | #A40 | ||||
| #A41 | #A41 | Signal (+), front heated oxygen sensor (HO2S) | Pulsed current signal, cannot be measured | Pulsed current signal, cannot be measured | |
| #A42 | #A42 | Signal (-), front heated oxygen sensor (HO2S) | Pulsed current signal, cannot be measured | Pulsed current signal, cannot be measured | |
| #A43 | #A43 | ||||
| #A44 | #A44 | ||||
| #A45 | #A45 | Signal (+), rear knock sensor (KS) | U=U low | ||
| #A46 | #A46 | Signal (+) front knock sensor (KS) | U=U low | ||
| #A47 | #A47 | Signal (+), camshaft position (CMP) sensor | U=5 volts | U= quadratic wave voltage U top =5 volts | The frequency varies according to engine speed (RPM) |
| #A48 | #A48 | Signal (+), flywheel sensor | U=2.5 volts | U= sine wave voltage U top =5 volts U offset =2.5 volts | |
| #A49 | #A49 | ||||
| #A50 | #A50 | Ignition coil no. 3 control signal | U=U low | U= 2.5 V t high =2 ms | The frequency varies according to engine speed (RPM) |
| #A51 | #A51 | Ignition coil no. 5 control signal | U=U low | U= 2.5 V t high =2 ms | The frequency varies according to engine speed (RPM) |
| #A52 | #A52 | Ignition coil no. 4 control signal | U=U low | U= 2.5 V t high =2 ms | The frequency varies according to engine speed (RPM) |
| #A53 | #A53 | Power ground 3 | U low | ||
| #A54 | #A54 | Power ground 4 | U low | ||
| #A55 | #A55 | Control modules communication cable (CAN L) | Between the engine control module (ECM) and the throttle unit | ||
| #A56 | #A56 | Control signal, accelerator pedal (AP) position sensor PWM signal | U top =12 V t = 4 ms pulse ratio=8% 2% with unaffected accelerator pedal (AP) and 50% - 90% with fully depressed accelerator pedal (AP) On certain vehicles the accelerator pedal (AP) will be at the limit before the signal reaches 90%. | Between the engine control module (ECM) and the throttle unit | |
| #A57 | #A57 | Stop lamp switch control signal | U=U low (not activated) U=U high (activated) | Between the engine control module (ECM) and the throttle unit | |
| #A58 | #A58 | Signal ground, mass air flow (MAF) sensor | U=U low | ||
| #A59 | #A59 | ||||
| #A60 | #A60 | Signal ground for the Air conditioning (A/C) pressure sensor, boost pressure sensor, oil level sensor, oil pressure sensor, engine coolant temperature (ECT) sensor, EGR valve temperature sensor | U=U low | ||
| #A61 | #B1 | Signal (+), rear heated oxygen sensor (HO2S) | Uapprox.0.50 V | Above 0.6 or below 0.3 V | |
| #A62 | #B2 | Signal (-), rear heated oxygen sensor (HO2S) | U=U low | U=U low | |
| #A63 | #B3 | Body signal ground | U=U low | ||
| #A64 | #B4 | Signal (-) front knock sensor (KS) | U=U low | ||
| #A65 | #B5 | Camshaft position (CMP) sensor signal ground | U=U low | ||
| #A66 | #B6 | Signal (-) flywheel sensor | U = 2.5 volt | U = sine wave voltage U top =3.5 volts U offset =2.5 volts | The frequency increases with engine speed (RPM) |
| #A67 | #B7 | Signal (-) rear knock sensor (KS) | U=U low | U=U low | |
| #A68 | #B8 | Air conditioning (A/C) pressure sensor signal | U=0.9 V (at approximately 20°C) | U increases with pressure in the air conditioning (A/C) system | |
| #A69 | #B9 | ||||
| #A70 | #B10 | Power supply | U = U bat | Measured via the system relay |
| Terminal | Breakout box | Signal type | Ignition on | Engine idling | Other |
|---|---|---|---|---|---|
| #B1 | #B11 | Control modules communication cable (CAN L) | Data communication, high speed network | ||
| #B2 | #B12 | ||||
| #B3 | #B13 | ||||
| #B4 | #B14 | Signal ground for the intake air temperature (IAT) sensor, fuel tank pressure sensor, fuel level sensor, clutch pedal sensor, brake pedal sensor | U=U low | ||
| #B5 | #B15 | Signal ground, accelerator pedal (AP) position sensor | U=U low | ||
| #B6 | #B16 | ||||
| #B7 | #B17 | ||||
| #B8 | #B18 | Signal (+), coolant level sensor | U=U low | ||
| #B9 | #B19 | Accelerator pedal (AP) position sensor power supply, analog sensor | U =5 V | ||
| #B10 | #B20 | Fuel tank pressure sensor power supply | U =5 V | ||
| #B11 | #B21 | 30-supply (Power supply from the battery) | U = U bat | ||
| #B12 | #B22 | ||||
| #B13 | #B23 | Control module communication cable (CAN H) | Data communication, high speed network | ||
| #B14 | #B24 | ||||
| #B15 | #B25 | Clutch pedal sensor signal | U=3.3 V (unaffected) U=2.2 V (fully depressed, 100 mm) | Varies according to the position of the clutch pedal | |
| #B16 | #B26 | Brake pedal sensor signal | U=3.1 V (unaffected) U=2.6 V (25 mm depressed) | Varies according to the position of the brake pedal | |
| #B17 | #B27 | Accelerator pedal (AP) position sensor signal, analog signal | U = 0.4 0.1 V with unaffected accelerator pedal (AP) U=2.5-4.4 V = the accelerator pedal (AP) fully depressed On certain vehicles the accelerator pedal (AP) will be at the limit position before the signal reaches 4.4 V. | Varies according to the position of the accelerator pedal (AP) | |
| #B18 | #B28 | ||||
| #B19 | #B29 | Cruise control signal (+) | See terminal #B47 | ||
| #B20 | #B30 | Cruise control signal (+) | See terminal #B47 | ||
| #B21 | #B31 | Output signal (+), engine speed (RPM) | U=U low | U = quadratic wave voltage U top =Ubat | Frequency increases with engine speed (RPM) |
| #B22 | #B32 | Diagnostic lead communication link/Communication cable Immobilizer | U=90% of U bat | Other values apply if a generic fault-tracing instrument is connected to the data link connector (DLC) | The communication cable functions both as a communication link and as a start inhibition link (immobilizer) |
| #B23 | #B33 | Signal (+) crank, terminal 50 | U=U low | U=U low | U=U bat at the crank |
| #B24 | #B34 | ||||
| #B25 | #B35 | Signal (+) accelerator pedal (AP) position sensor, PWM signal | U top =12 V t = 4 ms pulse ratio=8% 2% with unaffected accelerator pedal (AP) and 50% - 90% with fully depressed accelerator pedal (AP) On certain vehicles the accelerator pedal (AP) will be at the limit before the signal reaches 90%. | Between the accelerator pedal (AP) position sensor and the engine control module (ECM) | |
| #B26 | #B36 | Signal (+), stop lamp switch | U=U bat when the brake pedal is affected U=U low when the brake pedal is unaffected | ||
| #B27 | #B37 | Engine coolant temperature output signal to the A/C system | U top =U bat t = 4 ms pulse ratio = varies according to the engine temperature | ||
| #B28 | #B38 | ||||
| #B29 | #B39 | Outside temperature sensor signal | (0°C) U = 2.92 V (+10°C) U = 2.40 V (+20°C) U = 1.90 V (+30°C) U = 1.46 V | Temperature range: -40°C to +30°C | |
| #B30 | #B40 | ||||
| #B31 | #B41 | Fuel tank pressure sensor signal | U=2.5 V at 1 kPa U=3.3 V at atmospheric pressure (0 kPa overpressure) U=4.1 V at 1 kPa overpressure | ||
| #B32 | #B42 | Air conditioning (A/C) request signal | U=U bat during request U=U low when there is no request | ||
| #B33 | #B43 | Cruise control on/off signal | See terminal #B47 | ||
| #B34 | #B44 | Cruise control signal | See terminal #B47 | ||
| #B35 | #B45 | ||||
| #B36 | #B46 | ||||
| #B37 | #B47 | Ignition on signal, terminal 15 | U = U bat | ||
| #B38 | #B48 | System relay, control signal | U=U low | U=U low | Relay activated: U=U low Relay not activated: U = U bat the system relay runs on (2-5 minutes) |
| #B39 | #B49 | ||||
| #B40 | #B50 | EVAP canister shut-off valve control signal | U=3.82 volts | ||
| #B41 | #B51 | Electronic throttle system (ETS) warning lamp control signal | U=U low | U=U bat (not activated) U=U low (activated) | |
| #B42 | #B52 | ||||
| #B43 | #B53 | ||||
| #B44 | #B54 | Air conditioning (A/C) activation control signal | U=U bat (not activated) U=U low (activated) | ||
| #B45 | #B55 | Fuel pump (FP) activation control signal | Control signal to the fuel pump (FP) relay | ||
| #B46 | #B56 | Malfunction indicator lamp (MIL) control signal | U=U low | U=U bat (not activated) U=U low (activated) | |
| #B47 | #B57 | Cruise control power supply | U=U bat (not activated) U = pulse train U top =U bat t=20 ms t high =0.5 ms | ||
| #B48 | #B58 | Control signal for engine start inhibiting | U=U low (activated) U=U high (not activated) | In certain markets, the engine can only be started with the clutch pedal depressed (U=U low ) | |
| #B49 | #B59 | ||||
| #B50 | #B60 |
See Signal specification
See Signal specification
General
All values listed below should be measured between the respective terminal in column 1 (control module terminal) and terminal #B3 unless stated otherwise in column 6 (Other). Control module terminals #A1-#A70 correspond to terminals #A1-#B10 on the breakout box, terminals #B1-#B50 correspond to #B11 - #B60 on the breakout box.
Note. It is important to connect the breakout box and check the ground terminals before taking readings.
HINT: If the numbering of the connector is different from the numbering on the breakout box, the connector number is given first, terminal #A61, followed by the breakout box number in brackets, (#B1). Example: #A61 (#B1).
| 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 | % duty = | Duty cycle (pulse ratio) as a percentage (%) |
| T = | Time in milliseconds (ms) | I = | Current in amperes (A) |
| Control module terminal | Breakout box terminal | Signal type | Ignition on | Engine idling | Other |
|---|---|---|---|---|---|
| #A1 | #A1 | Throttle unit signal, potentiometer 1 (circuit 1) | U approx. 0.4 -4 V | The voltage varies depending on the position of the throttle. U increases with increased throttle opening. | |
| #A2 | #A2 | ||||
| #A3 | #A3 | ||||
| #A4 | #A4 | Engine coolant temperature (ECT) sensor signal | (+30°C) U = 1.22 V (+80°C) U = 0.29 V (+100°C) U = 0.17 V | ||
| #A5 | #A5 | Signal intake air temperature (IAT) sensor | (+20°C) U = 3.50 V (+30°C) U = 3.00 V (+40°C) U = 2.50 V | ||
| #A6 | #A6 | Control signal, rear heated oxygen sensor (HO2S) preheating | U = Ubat | Preheating off: U = U bat Preheating on U=U low | |
| #A7 | #A7 | Control signal engine cooling fan (FC) stage 1 | Engine cooling fan (FC) off: U=U bat Engine cooling fan (FC) on: U=U low | ||
| #A8 | #A8 | ||||
| #A9 | #A9 | Control signal, canister purge (CP) valve | U = U bat | PWM signal during activation of the canister purge (CP) valve | |
| #A10 | #A10 | ||||
| #A11 | #A11 | ||||
| #A12 | #A12 | Control signal engine start blocking | Activated U=U low Not activated U=U high | In certain markets, the engine can only be started with the clutch pedal depressed (U=U low ) | |
| #A13 | #A13 | Camshaft reset valve control signal | Pulse width modulation (PWM) signal U top =U bat f=250 Hz (12.5 Hz) Pulse ratio 20-95% | The pulse ratio governs control of the camshaft | |
| #A14 | #A14 | Injector no. 5 control signal | U = U bat | T= 2-3 ms | T increases with engine speed (RPM) and load |
| #A15 | #A15 | Injector no. 3 control signal | U = U bat | T= 2-3 ms | T increases with engine speed (RPM) and load |
| #A16 | #A16 | Injector no. 1 control signal | U = U bat | T= 2-3 ms | T increases with engine speed (RPM) and load |
| #A17 | #A17 | Power supply | U = U bat | Measured via the system relay | |
| #A18 | #A18 | Control signal, front heated oxygen sensor (HO2S) preheating | U = U bat | Preheating off: U = U bat Preheating on: U=U low | |
| #A19 | #A19 | Signal ground, throttle unit, potentiometers 1 and 2 | U=U low | ||
| #A20 | #A20 | Throttle unit signal, potentiometer 2 (circuit 2) | U approx. 4 -0.4 V | The voltage varies depending on the position of the throttle. U decreases with increasing throttle opening. | |
| #A21 | #A21 | ||||
| #A22 | #A22 | Mass air flow (MAF) sensor signal | U = 1 V | U = 1.7 V | U increases with increasing air mass |
| #A23 | #A23 | Boost pressure sensor signal (turbocharged engines only) | U = 1.96 V | U increases with increasing boost pressure | |
| #A24 | #A24 | Front heated oxygen sensor (HO2S), pump current | Pulsed current supply, not measured | ||
| #A25 | #A25 | ||||
| #A26 | #A26 | Oil pressure switch signal | U=U low | U = U bat | |
| #A27 | #A27 | ||||
| #A28 | #A28 | Front heated oxygen sensor (HO2S), calibration current | Not measured | ||
| #A29 | #A29 | Power supply, 5 V camshaft position (CMP) sensor | U =5 V | ||
| #A30 | #A30 | Ignition coil no. 2 control signal | U=U low | U=2.5 V t high =2 ms | The frequency varies according to engine speed (RPM) |
| #A31 | #A31 | Ignition coil no. 1 control signal | U=U low | U=2.5 V t high =2.5 ms | The frequency varies according to engine speed (RPM) |
| #A32 | #A32 | Control signal engine cooling fan (FC) stage 2 | Engine cooling fan (FC) off: U=U bat Engine cooling fan (FC) on: U=U low | ||
| #A33 | #A33 | Injector no. 4 control signal | U = U bat | T low =2-3 ms | T increases with engine speed (RPM) and load |
| #A34 | #A34 | Injector no. 2 control signal | U = U bat | T low =2-3 ms | T increases with engine speed (RPM) and load |
| #A35 | #A35 | Control signal (+) damper motor for the throttle unit | PWM signal U top =U bat | The damper motor is controlled using a pulse width modulation (PWM) signal from the integrated power stage in the engine control module (ECM) measured to terminal #A36 (breakout box #A36) | |
| #A36 | #A36 | Control signal (-) damper motor for the throttle unit | PWM signal U top =U bat | The damper motor is controlled using a pulse width modulation (PWM) signal from the integrated power stage in the engine control module (ECM) measured to terminal #A35 (breakout box #A35) | |
| #A37 | #A37 | Communication cable (CAN H) High speed Control modules | |||
| #A38 | #A38 | Control signal for the turbocharger (TC) control valve (turbocharged engines only) | U = U bat | During turbocharger (TC) control: PWM signal f = 32 Hz | |
| #A39 | #A39 | Power supply 5 V, boost pressure sensor, A/C pressure sensor, mass air flow (MAF) sensor | U =5 V | ||
| #A40 | #A40 | Cruise control lever signal (Resume) | See terminal #B36 | Signal from the button on the cruise control lever | |
| #A41 | #A41 | Signal (+), front heated oxygen sensor (HO2S) | Pulsed current signal, not measured | ||
| #A42 | #A42 | Signal (-), front heated oxygen sensor (HO2S) | Pulsed current signal, not measured | ||
| #A43 | #A43 | ||||
| #A44 | #A44 | ||||
| #A45 | #A45 | Signal (+), rear knock sensor (KS) | U=U low | ||
| #A46 | #A46 | Signal (+) front knock sensor (KS) | U=U low | ||
| #A47 | #A47 | Camshaft position (CMP) sensor signal | U =5 V | U = Pulsed signal U top =5 V U offset = 2.5V | The frequency varies according to engine speed (RPM) |
| #A48 | #A48 | Signal (+), flywheel sensor | U=2.5 V | U= sine wave voltage U top =5 V U offset = 2.5 V | Measured to terminal #A66 (terminal #B6 on the breakout box) The frequency increases with engine speed (RPM) |
| #A49 | #A49 | ||||
| #A50 | #A50 | Ignition coil no. 3 control signal | U=U low | U=2.5 V t high =2 ms | The frequency varies according to engine speed (RPM) |
| #A51 | #A51 | Ignition coil no. 5 control signal | U=U low | U=2.5 V t high =2 ms | The frequency varies according to engine speed (RPM) |
| #A52 | #A52 | Ignition coil no. 4 control signal | U=U low | U=2.5 V t high =2 ms | The frequency varies according to engine speed (RPM) |
| #A53 | #A53 | Power ground 3 | U low | Ground terminal connected to the chassis | |
| #A54 | #A54 | Power ground 2 | U low | Ground terminal connected to the chassis | |
| #A55 | #A55 | Control modules communication cable (CAN L) Low speed | |||
| #A56 | #A56 | ||||
| #A57 | #A57 | ||||
| #A58 | #A58 | Signal ground, mass air flow (MAF) sensor | U=U low | ||
| #A59 | #A59 | Power supply 5 V throttle unit, potentiometers 1 and 2 | U =5 V | ||
| #A60 | #A60 | Signal ground air conditioning (A/C) pressure sensor, boost pressure sensor, intake air temperature (IAT) sensor, engine coolant temperature (ECT) sensor | U=U low | ||
| #A61 | #B1 | Signal (+), rear heated oxygen sensor (HO2S) | Uapprox.0.50 V | Above 0.6 V or below 0.3 V | |
| #A62 | #B2 | Signal (-) rear heated oxygen sensor (HO2S) | U=U low | U=U low | |
| #A63 | #B3 | Signal ground | U=U low | Ground terminal connected to the chassis | |
| #A64 | #B4 | Signal (-) front knock sensor (KS) | U=U low | U=U low | |
| #A65 | #B5 | Camshaft position (CMP) sensor signal ground | U=U low | ||
| #A66 | #B6 | Signal (-) flywheel sensor | U=2.5 V | U = sine wave voltage U top =5 V U offset = 2.5 V | Measured to terminal #A48 (terminal #A48 on the breakout box) The frequency increases with engine speed (RPM) |
| #A67 | #B7 | Signal (-) rear knock sensor (KS) | U=U low | U=U low | |
| #A68 | #B8 | Signal air conditioning (A/C) pressure sensor | U=0.9 V (at approximately 20°C) | U increases with pressure in the air conditioning (A/C) system | |
| #A69 | #B9 | ||||
| #A70 | #B10 | Air conditioning (A/C) request signal, climate control module (CCM) | When there is an air conditioning (A/C) request: U=U bat : when there is no A/C request U=U low |
| Control module terminal | Breakout box terminal | Signal type | Ignition on | Engine idling | Other |
|---|---|---|---|---|---|
| #B1 | #B11 | Control modules communication cable (CAN L) Low speed | |||
| #B2 | #B12 | ||||
| #B3 | #B13 | ||||
| #B4 | #B14 | Signal ground brake pedal sensor, clutch pedal position sensor, outside temperature sensor | U=U low | ||
| #B5 | #B15 | Signal ground, accelerator pedal (AP) position sensor | U=U low | ||
| #B6 | #B16 | ||||
| #B7 | #B17 | Control signal, leak diagnostic unit, pump | Pump motor running: U=U low Pump motor not running: U = U bat | ||
| #B8 | #B18 | Signal, coolant level sensor | U=U low | Low engine coolant level: U = U bat Normal engine coolant level: U = Ulow | |
| #B9 | #B19 | Power supply, 5 V accelerator pedal (AP) position sensor | U =5 V | ||
| #B10 | #B20 | ||||
| #B11 | #B21 | 30-supply (Power supply from the battery) | U = U bat | U = U bat | Ignition off: U = U bat |
| #B12 | #B22 | ||||
| #B13 | #B23 | Control module communication cable (CAN H) High speed | |||
| #B14 | #B24 | ||||
| #B15 | #B25 | Clutch pedal sensor signal | Unaffected: U=3.3 V Fully depressed: 100 mm U=2.2 V | U varies depending on the position of the clutch pedal | |
| #B16 | #B26 | Brake pedal sensor signal | Unaffected: U=3.1 V 25 mm pressed down: U=2.6 V | U varies depending on the position of the brake pedal | |
| #B17 | #B27 | Signal, accelerator pedal (AP) position sensor | U = 0.4 0.1 V with unaffected accelerator pedal (AP) U=2.5-4.4 V = the accelerator pedal (AP) fully depressed On certain vehicles the accelerator pedal (AP) will be at the limit position before the signal reaches 4.4 V. | U varies depending on the position of the accelerator pedal (AP) | |
| #B18 | #B28 | ||||
| #B19 | #B29 | Cruise control lever signal (Cruise +) | See terminal #B36 | Signal from the button on the cruise control lever | |
| #B20 | #B30 | ||||
| #B21 | #B31 | ||||
| #B22 | #B32 | Diagnostic lead communication link/Communication cable Immobilizer | U=90% of U bat Other values apply if a generic fault-tracing instrument is connected to the data link connector (DLC) | The diagnostic lead functions both as a communication link and as a start inhibition link (immobilizer) | |
| #B23 | #B33 | Signal crank, 50-supply | U=U low | U=U low | At crank: U = U bat |
| #B24 | #B34 | Cruise control lever signal (Cruise ON/OFF) | See terminal #B36 | Signal from the button on the cruise control lever | |
| #B25 | #B35 | Signal, accelerator pedal (AP) position sensor | U top =12 V t = 4 ms pulse ratio=8% 2% with unaffected accelerator pedal (AP) and 50% - 90% with fully depressed accelerator pedal (AP) On certain vehicles the accelerator pedal (AP) will be at the limit before the signal reaches 90%. | Pulse width modulation (PWM) signal from the accelerator pedal (AP) position sensor to the engine control module (ECM) | |
| #B26 | #B36 | Stop lamp switch signal | When the brake pedal is depressed: U = U bat When the brake pedal is not depressed U=U low | ||
| #B27 | #B37 | ||||
| #B28 | #B38 | ||||
| #B29 | #B39 | Signal, outside temperature sensor | (0°C) U=2.92 V (+10°C) U=2.40 V (+20°C) U=1.90 V (+30°C) U=1.46 V | Temperature range: -40 to +30°C | |
| #B30 | #B40 | ||||
| #B31 | #B41 | ||||
| #B32 | #B42 | ||||
| #B33 | #B43 | ||||
| #B34 | #B44 | Control signal, leak diagnostic unit, heater pad | Heating element activated: U = Ulow Heater pad not activated: U = Ubat | ||
| #B35 | #B45 | Cruise control lever signal (Cruise -) | See terminal #B36 | Signal from the button on the cruise control lever | |
| #B36 | #B46 | Power supply cruise control lever | Activated cruise control: Quadratic wave voltage with peak voltage U=U bat Non activated cruise control: Saw tooth voltage with peak voltage U=U bat | ||
| #B37 | #B47 | Signal, ignition on, 15-supply | U = U bat | U = U bat | Ignition off: U=U low |
| #B38 | #B48 | System relay control signal | U=U low | Relay activated: U=U low Relay not activated: U = U bat The system relay runs on (2-5 minutes) | |
| #B39 | #B49 | ||||
| #B40 | #B50 | Control signal, leak diagnostic unit, valve | Valve activated: U=U low Valve not activated: U = U bat | ||
| #B41 | #B51 | ||||
| #B42 | #B52 | ||||
| #B43 | #B53 | ||||
| #B44 | #B54 | Control signal, air conditioning (A/C) relay | Air conditioning (A/C) relay activated: U=U low Air conditioning (A/C) relay not activated: U = U bat | ||
| #B45 | #B55 | Fuel pump (FP) activation control signal | Frequency controlled output signal from the engine control module (ECM) when activating the fuel pump (FP) relay f=50 Hz | ||
| #B46 | #B56 | Malfunction indicator lamp (MIL) control signal | U=U low | Not activated U=U bat Activated: U=U low | |
| #B47 | #B57 | ||||
| #B48 | #B58 | Electronic throttle system (ETS) warning lamp control signal | Not activated U=U bat Activated: U=U low | ||
| #B49 | #B59 | Engine coolant temperature (ECT) sensor signal to the combined instrument panel, climate control module (CCM) | U top =U bat Pulse ratio = 30-70% | The pulse ratio varies with engine coolant temperature (ECT) | |
| #B50 | #B60 |
General
All values given below are between the terminals stated in column 1 and breakout box terminal #B2. Control module terminals #A1-#A60 correspond to terminals #A1-#A60 on the breakout box, terminals #A61-#A70 correspond to terminals #B1-#B10 on the breakout box and terminals #B1-#B50 correspond to terminals #B11-#B60 on the breakout box.
Note. It is important to connect the breakout box and check the ground terminals before taking readings.
HINT: If the numbering of the connector is different from the numbering on the breakout box, the connector number is given first, terminal #A61, followed by the breakout box number in brackets, (terminal #B1). Example: #A61 (#B1).
| U= | DC voltage in volts (V) | U A/C = | AC voltage in volts (V) |
|---|---|---|---|
| U bat = | Battery voltage in volts (V) | F = | Frequency in Hertz (Hz) |
| U low = | Voltage near 0 V or 0 V | %pulse = | Pulse ratio (%) |
| T = | Time in milliseconds (ms) |
| Terminal | Breakout box | Signal type | Ignition on | Idle | Other |
|---|---|---|---|---|---|
| #A1 | (#A1) | ||||
| #A2 | (#A2) | Control signal Canister purge (CP) valve | U = Ubat | PWM signal during activation of the EVAP canister shut off valve | |
| #A3 | (#A3) | ||||
| #A4 | (#A4) | Signal (+) intake temperature sensor, integrated in the mass air flow (MAF) sensor | (+10 C) U = 2.90 V (+20 C) U = 2.38 V (+30 C) U = 1.89 V | ||
| #A5 | (#A5) | Control signal engine cooling fan (FC) high-speed | Engine cooling fan (FC) off U = Ubat Engine cooling fan (FC) on U = Ulow | ||
| #A6 | (#A6) | Control signal engine cooling fan (FC) low-speed | Engine cooling fan (FC) off U = Ubat Engine cooling fan (FC) on U = Ulow | ||
| #A7 | (#A7) | ||||
| #A8 | (#A8) | ||||
| #A9 | (#A9) | ||||
| #A10 | (#A10) | ||||
| #A11 | (#A11) | Control signal preheating rear heated oxygen sensor (HO2S) | U = Ubat | Preheating off U = Ubat Preheating U = Ulow | |
| #A12 | (#A12) | ||||
| #A13 | (#A13) | ||||
| #A14 | (#A14) | Control signal injector 5 | U = Ubat | T= 2-3 ms | T increases with engine speed (RPM) and load |
| #A15 | (#A15) | Control signal injector 3 | U = Ubat | Tlow = 2-3 ms | T increases with engine speed (RPM) and load |
| #A16 | (#A16) | Control signal injector 1 | U = Ubat | Tlow = 2-3 ms | T increases with engine speed (RPM) and load |
| #A17 | (#A17) | ||||
| #A18 | (#A18) | Control signal preheating front heated oxygen sensor (HO2S) | U = Ubat | Preheating off U = Ubat Preheating U = Ubat | |
| #A19 | (#A19) | ||||
| #A20 | (#A20) | ||||
| #A21 | (#A21) | Signal A/C pressure sensor | U=0.9 V (at approximately 20 C) | U increases with increased pressure in the system | |
| #A22 | (#A22) | Mass air flow (MAF) sensor signal | U = 0.58 V | U = 1.33 V Unloaded, engine at operating temperature | U increases with increasing air mass |
| #A23 | (#A23) | Signal manifold absolute pressure (MAP) sensor | U= 1.64 V atmospheric pressure at sea level | U increases with increasing pressure in the intake manifold | |
| #A24 | (#A24) | Signal (+) front heated oxygen sensor (HO2S) signal (+) | Lambda=0.95 V>700 mV lambda=1.10 V<200 mV | ||
| #A25 | (#A25) | ||||
| #A26 | (#A26) | ||||
| #A27 | (#A27) | ||||
| #A28 | (#A28) | Signal ignition discharge module (IDM) check, ignition coils | |||
| #A29 | (#A29) | Control signal ignition coil no. 3 | U = Ulow | U = 2.5 volt thigh = 2 ms | The frequency varies according to engine speed (RPM) |
| #A30 | (#A30) | Control signal ignition coil no. 2 | U = Ulow | U = 2.5 volt thigh = 2 ms | The frequency varies according to engine speed (RPM) |
| #A31 | (#A31) | Control signal ignition coil no. 1 | U = Ulow | U = 2.5 volt thigh = 2.5 ms | The frequency varies according to engine speed (RPM) |
| #A32 | (#A32) | ||||
| #A33 | (#A33) | Control signal injector 4 | U = Ubat | Tlow = 2-3 ms | T increases with engine speed (RPM) and load |
| #A34 | (#A34) | Control signal injector 2 | U = Ubat | Tlow = 2-3 ms | T increases with engine speed (RPM) and load |
| #A35 | (#A35) | ||||
| #A36 | (#A36) | Power ground preheating, front heated oxygen sensor (HO2S) | U = Ulow | ||
| #A37 | (#A37) | Communication cable control modules (CAN H) | Between the engine control module (ECM) and the throttle unit | ||
| #A38 | (#A38) | Control signal stop lamp - switch | U = Ulow (not activated) U = Uhigh (activated) | Between the engine control module (ECM) and the throttle unit | |
| #A39 | (#A39) | Oil pressure switch | U = Ulow (no oil pressure) | U = Ubat | |
| #A40 | (#A40) | Signal (+) engine coolant temperature (ECT) sensor | (+20°C) U=3.1 V (+30°C) U=2.6 V (+80°C) U=0.9 V (+100°C) U=0.5 V | ||
| #A41 | (#A41) | Signal (-) front heated oxygen sensor (HO2S) | Lambda= 1 when the current is approximately +0.2 mA | Negative current when the fuel air mixture is rich. Range: -12 mA, +12 mA | |
| #A42 | (#A42) | Signal (+) front heated oxygen sensor (HO2S) | Lambda= 1 when the current is approximately +0.2 mA | Positive current when the fuel air mixture is lean Range: -12 mA, +12 mA | |
| #A43 | (#A43) | ||||
| #A44 | (#A44) | ||||
| #A45 | (#A45) | ||||
| #A46 | (#A46) | Signal (+) knock sensor (KS) | |||
| #A47 | (#A47) | Signal (+) camshaft position (CMP) sensor | Uapprox.5 V or U=Ulow | Fapprox.35 Hz Uapprox.2.5 V | The frequency increases with engine speed (RPM) |
| #A48 | (#A48) | Signal (+) transmission input speed sensor | U=2.5 V U = Ulow | U = sine wave voltage | |
| #A49 | (#A49) | ||||
| #A50 | (#A50) | Control signal ignition coil no. 5 | U = Ulow | U = 2.5 volt thigh = 2 ms | The frequency varies according to engine speed (RPM) |
| #A51 | (#A51) | Control signal ignition coil no. 4 | U = Ulow | U = 2.5 volt thigh = 2 ms | The frequency varies according to engine speed (RPM) |
| #A52 | (#A52) | Control signal Air assisted control valve (AACV) | |||
| #A53 | (#A53) | Power ground 3 | Ulow | ||
| #A54 | (#A54) | Power ground 2 | Ulow | ||
| #A55 | (#A55) | Communication cable control modules (CAN L) | Between the engine control module (ECM) and the throttle unit | ||
| #A56 | (#A56) | Control signal accelerator pedal (AP) position sensor, PWM signal | Utop = 12 V t = 4 ms pulse ratio = 8%-88% | Between the engine control module (ECM) and the throttle unit | |
| #A57 | (#A57) | Power supply, camshaft position (CMP) sensor | U=5 volt | ||
| #A58 | (#A58) | Power supply, manifold absolute pressure (MAP) sensor A/C pressure sensor | U=5 volt | ||
| #A59 | (#A59) | ||||
| #A60 | (#A60) | Signal ground mass air flow (MAF) sensor | U = Ulow | ||
| #A61 | (#B1) | Signal ground intake temperature engine coolant temperature (ECT) sensor rear heated oxygen sensor (HO2S) | U = Ulow | ||
| #A62 | (#B2) | Power ground 1 | U = Ulow | ||
| #A63 | (#B3) | ||||
| #A64 | (#B4) | Signal (-) knock sensor (KS) | |||
| #A65 | (#B5) | Signal ground camshaft position (CMP) sensor | U = Ulow | ||
| #A66 | (#B6) | Signal ground transmission input speed sensor | U = Ulow | ||
| #A67 | (#B7) | ||||
| #A68 | (#B8) | ||||
| #A69 | (#B9) | Control signal preheating front HO2S | U = Ubat | Preheating off U = Ubat Preheating U = Ubat | B+ from the system relay |
| #A70 | (#B10) | Power supply | U = Ubat | B+ from the system relay |
Connector terminals #A1-#A70
| Terminal | Breakout box | Signal type | Ignition on | Engine idling | Other |
|---|---|---|---|---|---|
| #B1 | (#B11) | Communication cable control modules (CAN L) | Between the engine control module (ECM) and the CAN driver module | ||
| #B2 | (#B12) | ||||
| #B3 | (#B13) | ||||
| #B4 | (#B14) | Signal ground intake air temperature (IAT) sensor fuel tank pressure sensor clutch pedal sensor brake pedal sensor | U = Ulow | ||
| #B5 | (#B15) | Signal ground accelerator pedal (AP) position sensor | U = Ulow | ||
| #B6 | (#B16) | ||||
| #B7 | (#B17) | ||||
| #B8 | (#B18) | Coolant level sensor | U = Ulow | ||
| #B9 | (#B19) | Power supply accelerator pedal (AP) position sensor, analog sensor | U=5 volt | ||
| #B10 | (#B20) | Power supply fuel tank pressure sensor | U=5 volt | ||
| #B11 | (#B21) | 30-supply (Power supply from the battery) | U = Ubat | ||
| #B12 | (#B22) | ||||
| #B13 | (#B23) | Control modules communication cable (CAN H) | Between the engine control module (ECM) and the CAN driver module | ||
| #B14 | (#B24) | ||||
| #B15 | (#B25) | Signal clutch pedal sensor | U=3.3 volts (unaffected) U=2.2 volts (fully depressed, 100 mm) | Varies depending on the position of the clutch pedal | |
| #B16 | (#B26) | Signal brake sensor | U=3.1 volts (unaffected) U=2.6 volts (25 mm depressed) | Varies depending on the position of the brake pedal | |
| #B17 | (#B27) | Signal accelerator pedal (AP) position sensor, analog signal | U=0.4 volts (idling) U=4.4 volt (wide open throttle (WOT)) | Varies depending on the position of the accelerator pedal (AP) | |
| #B18 | (#B28) | ||||
| #B19 | (#B29) | Signal (+) cruise control SET+ | |||
| #B20 | (#B30) | Signal (+) cruise control RESUME | |||
| #B21 | (#B31) | Output signal (+) engine speed | U = Ulow | U = quadratic wave voltage Utop = Ubat | Frequency increases with engine speed (RPM) |
| #B22 | (#B32) | Immobilizer communication cable (also data link connector (DLC) communication link) | No communication on the cable: U=90% of U bat . During communication: Data communication, pulsed signal between U bat and 0 V | Other values apply if a generic fault-tracing instrument is connected to the data link connector (DLC). | The engine control module (ECM) and immobilizer control module communicate with each other for 2 seconds after the ignition is switched on to determine whether engine start should be permitted. After this time, the immobilizer control module changes internally so that the cable is connected to the communication port in the data link connector (DLC) (terminal #7). |
| #B23 | (#B33) | Signal (+) crank, +50 supply | U = Ulow | U = Ulow | U = Ubat at crank |
| #B24 | (#B34) | ||||
| #B25 | (#B35) | Signal (+) accelerator pedal (AP) position sensor, PWM signal | Utop = Ubat T = 4 ms pulse ratio = 8%-88% | Between the accelerator pedal (AP) position sensor and the engine control module (ECM) | |
| #B26 | (#B36 | Signal (+) stop lamp switch | U = Ubat when the brake pedal is depressed U = Ulow when the brake pedal is not depressed | ||
| #B27 | (#B37) | Output signal Engine coolant temperature (ECT) to the air conditioning (A/C) system | Utop = Ubat t = 4 ms pulse ratio = varies with engine coolant temperature (ECT) | ||
| #B28 | (#B38) | ||||
| #B29 | (#B39) | Signal outside temperature sensor | (0°C) U=2.34 V (+10°C) U=1.82 V (+20°C) U=1.38 V (+25°C) U=1.19 V (+30°C) U=1.03 V | Temperature range: -40°C to +110°C | |
| #B30 | (#B40) | ||||
| #B31 | (#B41) | Signal fuel tank pressure sensor | U=2.5 V at 1 kPa negative pressure U=3.3 V at atmospheric pressure (0 kPa overpressure) U = 4.1 V at 1 kPa overpressure | ||
| #B32 | (#B42) | Signal A/C request | U = Ubat on request, otherwise U = Ulow | ||
| #B33 | (#B43) | Signal cruise control on/off | See terminal #B47 | ||
| #B34 | (#B44) | Signal cruise control SET | See terminal #B47 | ||
| #B35 | (#B45) | ||||
| #B36 | (#B46) | ||||
| #B37 | (#B47) | Signal ignition on signal, +15 supply | U = Ubat | ||
| #B38 | (#B48) | System relay control signal | U = Ulow | U = Ulow | Relay activated: Ulow Relay not activated: Ubat The system relay runs on (2-15 minutes) |
| #B39 | (#B49) | ||||
| #B40 | (#B50) | Control signal EVAP canister shut-off valve | U=3.82 V | ||
| #B41 | (#B51) | Control signal Electronic throttle system (ETS) warning lamp | U = Ulow | U = Ubat (not activated) U = Ulow (activated) | |
| #B42 | (#B52) | ||||
| #B43 | (#B53) | ||||
| #B44 | (#B54) | Control signal A/C activation | U = Ubat (not activated) U = Ulow (activated) | ||
| #B45 | (#B55) | Control signal fuel pump (FP) activation | |||
| #B46 | (#B56) | Control signal malfunction indicator lamp (MIL) | U = Ulow | U = Ubat (not activated) U = Ulow (activated) | |
| #B47 | (#B57) | Power supply Cruise control | U = Ubat (not activated) U = pulse train Utop = Ubat t = 20 ms thigh = 0.5 ms | ||
| #B48 | (#B58) | Control signal engine start inhibiting | U = Ulow (activated) U = Uhigh (not activated) | In certain markets, the engine can only be started with the clutch pedal depressed (U = Ulow) | |
| #B49 | (#B59) | ||||
| #B50 | (#B60) |
Connector terminals #B1-#B50
Scheme 122
Integrated atmospheric pressure sensor
Scheme 123
Damper motor integrated with electronic unit
Scheme 124
Two signals. Pulse width modulated and lineal signal (digital/analog)
Scheme 125
Line pressure 380 kPa
Scheme 126
Mass air flow (MAF) sensor resistive film. Measurement range 12-640 kg/h.
| Q (kg/h) | 12.0 | 15.0 | 30.0 | 60.0 |
|---|---|---|---|---|
| V (Volt) | 1.31 | 1.39 | 1.69 | 2.11 |
Scheme 127
Pump capacity at a line pressure of 380 kPa and 13 V > 125 l/min.
Power consumption at a line pressure of 380 kPa and 13 V max 7.5 A
Scheme 128
Coil resistance should be approximately 12 ohms (at 20°C).
Scheme 129
Piezo resistive lineal pressure sensor. Measurement range 20.0-250 kPa.
| P (kPa) | 90.0 | 101.3 | 150.0 | 200.0 |
|---|---|---|---|---|
| V /(Volt) | 1.69 | 1.90 | 2.80 | 3.71 |
Scheme 130
Frequency controlled valve. Resistance 29.7 ohms
Scheme 131
Frequency controlled valve. Resistance 3.7 ohms
Scheme 132
NTC resistance.
| Temperature (°C) | 0 | 10 | 20 | 30 | 40 |
|---|---|---|---|---|---|
| R (ohms) | 15931 | 9672 | 6068 | 3923 | 2603 |
| V (Volt) | 4.30 | 3.94 | 3.50 | 3.00 | 2.50 |
Scheme 133
NTC resistance.
| Temperature (°C) | 0 | 10 | 20 | 40 | 80 | 100 |
|---|---|---|---|---|---|---|
| R (ohms) | 5740 | 3700 | 2450 | 1150 | 318 | 184 |
| V (Volt) | 2.65 | 2.10 | 1.62 | 0.92 | 0.29 | 0.17 |
Scheme 134
Piezoelectric crystal.
Scheme 135
Magnetic resistive sensor with permanent magnet
Scheme 136
Inductive sensor with permanent magnet Resistance 125.5 17 ohms
Scheme 137
Linear probe
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 |
|---|---|---|---|---|
| Air conditioning (A/C) relay | Mechanical relay | 12 V (#1) | Approximately 96 ohms (coil) | |
| A/C pressure sensor | Absolute manifold absolute pressure (MAP) sensor | 5 V (#3) | ||
| Air conditioning (A/C) pressure switch | Pressure switch (Pressostat) | Normal pressure: closed switch (#1-#2) | ||
| Stop lamp switch | Position switch | 12 V (#1) 12 V (#4) | The switch is closed when the pedal is depressed (terminals #1-#2) The switch is closed when the pedal is depressed (terminals #3-#4) | Consists of two separate switches: #1-#2 (stop lamp) #3-#4 (shift lock solenoid) |
| Brake pedal sensor | Slide potentiometer | 5 V (#1) | Unaffected pedal: approximately 1300-2100 ohms 50 mm depressed pedal: approximately 500-1400ohms (#1-#2) | |
| Fuel pump (FP) relay | Mechanical relay | Approximately 96 ohms (coil) | The relay is controlled by the engine control module (ECM) | |
| Engine cooling fan (FC) relay | Mechanical relay with two coils | Approximately 96 ohms (coil) | The relay is controlled by the engine control module (ECM) | |
| Canister purge (CP) valve | Electromagnetic valve | 12 V (#1) | 17-24 ohms at 20°C (terminals #1-#2) | |
| Accelerator pedal (AP) position sensor | Electronic pedal sensor with two output signals, PWM and a linear analog signal | 12 V (#1) 5 V (#6) Power supply analog position sensors | ||
| Throttle unit | Electronic throttle control module with two integrated potentiometers and a damper motor | 5 V (#3) | 1.2-3.5 ohms (#1-#4 motor winding). 1000-1500 ohms (terminals #2-#3 Parallel connection of potentiometers 1 and 2). Approximately 820 ohms when the throttle is closed. Approximately 1580 ohms at wide open throttle (terminals #2-#6 potentiometer 1). Approximately 1480 ohms when the throttle is closed. Approximately 500 ohms at wide open throttle (#2-#5 potentiometer 2) | |
| Injector | Electromagnetic injector | 12 V (#1) | Approximately 12 ohms at 20°C (terminal #1-#2) | |
| Camshaft sensor | Magneto-resistive sensor | 5 V (#1) | ||
| Knock sensor (KS) | Piezo electric component | Greater than 1 Mohms (#1-#2 front knock sensor (KS)). Greater than 1 Mohms (#3-#4 rear knock sensor (KS)) | Separate signal ground for the knock sensors (KS) | |
| Clutch pedal sensor | Slide potentiometer | 5 V (#2) | Unaffected pedal: 1400-2400 ohms Fully depressed pedal: 200-800 ohms (#2-#4) | |
| Coolant level sensor | Position switch | Connected to ground (terminal #2) | Closed when the engine coolant level is normal | |
| Boost pressure sensor | Absolute manifold absolute pressure (MAP) sensor | 5 V (#1) | Turbocharged (TC) engines only | |
| Cruise control lever | Controls with cruise control keypad | #1 | Open or closed depending on whether or not the button is pressed. Cruise ON/OFF (#1-#2). Resume (#1-#3). Cruise - (#1-#4). Cruise + (#1-#5 | Directly connected to the engine control module (ECM) |
| Preheating, front heated oxygen sensor (HO2S) | PTC resistor | 12 V (#3) | 2.6-3.4 ohms at 20°C (terminals #3-#4) | |
| Preheating, rear heated oxygen sensor (HO2S) | PTC resistor | 12 V (#1) | Approximately 9 ohms at 20°C (terminal #1-#2) | |
| Mass air flow (MAF) sensor | 12 V (#2) 5 V (#4) | |||
| Intake air temperature (IAT) sensor inlet | NTC resistor | 5 V (#1) | 15931 ohms at 0°C 9672 ohms at 10°C 6068 ohms at 20°C 3923 ohms 30°C Turbocharged engines: (#1-#2). | |
| Leak diagnostic unit | Consists of an air pump, electromagnetic valve and an internal heating element (PTC resistor) | 12 V (#4) | Approximately 118 ohms (#1-#4 pump motor winding) 27.9 -34.1 ohms (#3-#4 Valve coil) | |
| Engine coolant temperature (ECT) sensor | NTC resistor | 5 V (#1) | 15040 ohms at -20°C 2450 ohms at 20°C 318 ohms at 80°C (#1- #2) | |
| PTC resistor air preheating | PTC resistor | 12 V (#1) | Approximately 10 ohms at 20°C (#1-#2) | |
| Oil pressure sensor | Pressure switch (Pressostat) | Grounded in the cylinder block | Closed switch when the oil pressure is low | |
| Camshaft reset valve | Electromagnetic valve | 12 V (#1) | 3.7-11.1 ohms (#1-#2) | |
| Flywheel sensor | Engine speed sensor | 108.5-142.5 ohms at 20°C (terminals #1-#2) | ||
| System relay | Mechanical relay | 12V (#1) | Approximately 80 ohms (coil) | |
| Turbocharger (TC) control valve | Electromagnetic valve (3 way) | 12 V (#1) | 21.8-24.2 ohms at 20°C (terminals #1-#2) | Turbocharged (TC) engines only |
| Outer temperature sensor | NTC resistor | 5 V (#1) | 3641 ohms at -20 °C 1407 ohms at 0°C 608 ohms at 20°C 288 ohms at 40°C (#1- #2) |
See Component specifications
See Component specifications