Signal specification (5-cylinder naturally aspirated engines)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
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 #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, 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) |
| Ubat = | Battery voltage in volts (V) | f = | Frequency in Hertz (Hz) |
| Ulow = | Voltage approximately 0 V | %pulse = | Pulse ratio (%) |
| t = | Time in milliseconds (ms) |
Connector terminals #A1-#A70
| Terminal | Breakout box | Signal type | Ignition on | Idle | Other |
|---|---|---|---|---|---|
| #A1 | (#A1) | - | - | - | - |
| #A2 | (#A2) | Control signal Canister purge (CP) valve |
U = Ubat | - | Pulse width modulation (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=2.01 V (+20°C) U=2.62 V (+30°C) U=3.21 V |
- |
| #A5 | (#A5) | - | - | - | - |
| #A6 | (#A6) | - | - | - | - |
| #A7 | (#A7) | Control signal to the engine cooling fan control module | Pulse width modulation (PWM) signal Ulow = 1.5 V pulse ratio = 10 %-90 % |
- Uhigh = Ubat -1.5 V f=100Hz |
- |
| #A8 | (#A8) | - | - | - | - |
| #A9 | (#A9) | - | - | - | - |
| #A10 | (#A10) | - | - | - | - |
| #A11 | (#A11) | Control signal preheating rear heated oxygen sensor (HO2S) |
U = Ubat | Preheating OFF U = Ubat Preheating ON U = Ulow |
- |
| #A12 | (#A12) | Reset valve camshaft |
Pulse width modulation (PWM) signal Utop = Ubat t = 0.6 ms pulse ratio = 14 % |
Pulse width modulation (PWM) signal Utop = Ubat -1 V t=2 ms pulse ratio = 50 % |
The pulse ratio changes with engine speed (RPM) |
| #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 ON 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 (+) |
- | λ=0.95 V>700 mV λ=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) |
- | λ=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) |
- | λ= 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 |
U≈5 V or U=Ulow | f≈35 Hz U≈2.5 V |
The frequency increases with engine speed (RPM) |
| #A48 | (#A48) | Signal (+) flywheel sensor |
U=2.5 V | U = sine wave voltage Utop = 3.5 V Uoffset = 2.5 V |
- |
| #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, pulse width modulation (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 V | - | - |
| #A58 | (#A58) | Power supply, manifold absolute pressure (MAP) sensor A/C pressure sensor |
U =5 V | - | - |
| #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 flywheel sensor |
U = Ulow | - | - |
| #A67 | (#B7) | - | - | - | - |
| #A68 | (#B8) | - | - | - | - |
| #A69 | (#B9) | Control signal preheating front heated oxygen sensor (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 #B1-#B50
| 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 transmission control module (TCM) |
| #B2 | (#B12) | - | - | - | |
| #B3 | (#B13) | - | - | - | - |
| #B4 | (#B14) | Signal ground intake manifold air temperature 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 V | - | - |
| #B10 | (#B20) | Power supply fuel tank pressure sensor |
U =5 V | - | - |
| #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 transmission control module (TCM) |
| #B14 | (#B24) | - | - | - | - |
| #B15 | (#B25) | Signal clutch pedal sensor |
U=3.3 V (unaffected) U = 2.2 V (fully depressed, 100 mm) |
- | Varies depending on the position of the clutch pedal |
| #B16 | (#B26) | Signal brake sensor |
U = 4.4 V (unaffected) U = 3.9 V (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 V (idle) U=4.4 V (wide open throttle (WOT)) |
- | Varies depending on the position of the accelerator pedal (AP) |
| #B18 | (#B28) | - | - | - | - |
| #B19 | (#B29) | - | - | - | - |
| #B20 | (#B30) | - | - | - | - |
| #B21 | (#B31) | - | - | - | - |
| #B22 | (#B32) | Diagnostic lead C-link | U=90 % of Ubat | Other values apply if a generic fault-tracing instrument is connected to the data link connector (DLC) | - |
| #B23 | (#B33) | Signal (+) crank, +50 supply |
U = Ulow | U = Ulow | U = Ubat at crank |
| #B24 | (#B34) | - | - | - | - |
| #B25 | (#B35) | Signal (+) accelerator pedal (AP) position sensor, Pulse width modulated (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) | - | - | - | - |
| #B28 | (#B38) | - | - | - | - |
| #B29 | (#B39) | Signal outside temperature sensor |
(0°C) U = 3.99 V (+10°C) U = 3.53 V (+20°C) U = 3.01 V (+30°C) U = 2.47 V |
- | Temperature range: -50°C to +120°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) | - | - | - | - |
| #B33 | (#B43) | - | - | - | - |
| #B34 | (#B44) | - | - | - | - |
| #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: U = Ulow Relay not activated: U = Ubat The system relay runs on (2-5 minutes) |
| #B39 | (#B49) | - | - | - | - |
| #B40 | (#B50) | Control signal EVAP canister shut-off valve |
U=3.82 V | - | - |
| #B41 | (#B51) | - | - | - | - |
| #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 |
Pulse width modulation (PWM) signal | - | Control signal to the central electronic module (CEM) to control the fuel pump (FP) |
| #B46 | (#B56) | Control signal malfunction indicator lamp (MIL) |
U = Ulow | U = Ubat (not activated) U = Ulow (activated) |
- |
| #B47 | (#B57) | - | - | - | - |
| #B48 | (#B58) | Control signal engine start inhibiting |
U = Ulow (activated) U = Uhigh (not activated) |
- | Certain markets only. The engine can only be started with the clutch pedal depressed (U=Ulow) |
| #B49 | (#B59) | - | - | - | - |
| #B50 | (#B60) | - | - | - | - |