Signal specification (S80 6 cylinder engines -2001)
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
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, terminal #A61, followed by the breakout box number in brackets, (terminal #B1).
HINT: Example: #A61 (#B1)
| 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) |
| 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=1.22V (+80° C) U=0.29V (+100° C) U=0.17V |
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| #A5 | #A5 | Signal (-) intake air temperature (IAT) sensor | (+20° C) U=3.50V (+30° C) U=3.00V (+40° C) U=2.50V |
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| #A6 | #A6 | - | - | - | |
| #A7 | #A7 | Engine cooling fan (FC) control signal | Pulse width modulation (PWM) signal Uhigh =0.7*Ubat Ulow =1.2V F=100 Hz Pulse ratio= 10%-95% |
- | |
| #A8 | #A8 | - | - | ||
| #A9 | #A9 | EVAP control signal | U = Ubat | PWM signal during activation of the canister purge (CP) valve | |
| #A10 | #A10 | Rear heated oxygen sensor (HO2S) signal (+) bank 2 | U≈0.50 V | Above 0.6 V or below 0.3 V | |
| #A11 | #A11 | Rear heated oxygen sensor (HO2S) signal (-) bank 2 | U=Ulow | U=Ulow | |
| #A12 | #A12 | ||||
| #A13 | #A13 | Camshaft reset valve control signal | Pulse width modulation (PWM) signal Utop =Ubat t = 4 ms pulse ratio=12.5 % |
Pulse width modulation (PWM) signal Utop =Ubat t = 4 ms pulse ratio = 50 % |
Pulse ratio changes with engine speed (RPM) |
| #A14 | #A14 | Injector no. 6 control signal | U = Ubat | t= 2-3 ms | t increases with engine speed (RPM) and load |
| #A15 | #A15 | Injector no. 2 control signal | U = Ubat | t= 2-3 ms | t increases with engine speed (RPM) and load |
| #A16 | #A16 | Injector no. 1 control signal | U = Ubat | t= 2-3 ms | t increases with engine speed (RPM) and load |
| #A17 | #A17 | Control signal, front heated oxygen sensor (HO2S) preheating | U = Ubat | Preheating of U=Ubat Preheating U=Ulow |
|
| #A18 | #A18 | Control signal, front heated oxygen sensor (HO2S) preheating | U = Ubat | Preheating of U=Ubat Preheating U=Ulow |
|
| #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 | Front heated oxygen sensor (HO2S), pump current | Pulsed power supply - cannot be measured | Pulsed power supply - cannot be measured | |
| #A26 | #A26 | Oil pressure switch signal | U=Ulow | U = Ubat | |
| #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. 5 control signal | U=Ulow | U=2.5 V thigh =2 ms |
the frequency varies according to engine speed (RPM) |
| #A31 | #A31 | Ignition coil no. 1 control signal | U=Ulow | U=2.5 V thigh =2.5 ms |
the frequency varies according to engine speed (RPM) |
| #A32 | #A32 | Injector no. 4 control signal | U = Ubat | tlow =2-3 ms | t increases with engine speed (RPM) and load |
| #A33 | #A33 | Injector no. 3 control signal | U = Ubat | tlow =2-3 ms | t increases with engine speed (RPM) and load |
| #A34 | #A34 | Injector no. 5 control signal | U = Ubat | tlow =2-3 ms | t increases with engine speed (RPM) and load |
| #A35 | #A35 | Control signal, rear heated oxygen sensor (HO2S) preheating | U = Ubat | Preheating of U=Ubat Preheating U=Ulow |
|
| #A36 | #A36 | Control signal, rear heated oxygen sensor (HO2S) preheating | U = Ubat | Preheating of U=Ubat Preheating U=Ulow |
|
| #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 = Ubat | U = Ubat | 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 | Signal (+), front heated oxygen sensor (HO2S) | Pulsed current signal, cannot be measured | Pulsed current signal, cannot be measured | |
| #A44 | #A44 | Signal (-), front heated oxygen sensor (HO2S) | Pulsed current signal, cannot be measured | Pulsed current signal, cannot be measured | |
| #A45 | #A45 | Signal (+), rear knock sensor (KS) | U=Ulow | ||
| #A46 | #A46 | Signal (+) front knock sensor (KS) | U=Ulow | ||
| #A47 | #A47 | Signal (+), camshaft position (CMP) sensor | U=5 volts | U= quadratic wave voltage Utop =5volts |
the frequency varies according to engine speed (RPM) |
| #A48 | #A48 | Signal (+), flywheel sensor | U=2.5 volts | U= sine wave voltage Utop =5volts Uoffset =2.5volts |
|
| #A49 | #A49 | Ignition coil no. 4 control signal | U=Ulow | U= 2.5 V thigh =2 ms |
the frequency varies according to engine speed (RPM) |
| #A50 | #A50 | Ignition coil no. 2 control signal | U=Ulow | U= 2.5 V thigh =2 ms |
the frequency varies according to engine speed (RPM) |
| #A51 | #A51 | Ignition coil no. 6 control signal | U=Ulow | U= 2.5 V thigh =2 ms |
the frequency varies according to engine speed (RPM) |
| #A52 | #A52 | Ignition coil no. 3 control signal | U=Ulow | U= 2.5 V thigh =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 | Utop
=12 V t = 4 ms pulse ratio=8% - 88% |
Between the engine control module (ECM) and the throttle unit | |
| #A57 | #A57 | Stop lamp switch control signal | U=Ulow
(not activated) U=Uhigh (activated) |
Between the engine control module (ECM) and the throttle unit | |
| #A58 | #A58 | Signal ground, mass air flow (MAF) sensor | U=Ulow | ||
| #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=Ulow | ||
| #A61 | #B1 | Signal, rear heated oxygen sensor (HO2S) | U≈0.50 V | Above 0.6 V or below 0.3 V | |
| #A62 | #B2 | Signal ground, rear heated oxygen sensor (HO2S) | U=Ulow | U=Ulow | |
| #A63 | #B3 | Body signal ground | U=Ulow | ||
| #A64 | #B4 | Signal (-) front knock sensor (KS) | U=Ulow | ||
| #A65 | #B5 | Camshaft position (CMP) sensor signal ground | U=Ulow | ||
| #A66 | #B6 | Signal (-) flywheel sensor | U = 2.5 volt | U = sine wave voltage Utop =3.5 volts Uoffset =2.5 volts |
the frequency increases with engine speed (RPM) |
| #A67 | #B7 | Signal (-) rear knock sensor (KS) | U=Ulow | U=Ulow | |
| #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 | Front heated oxygen sensor (HO2S), calibration current | Cannot be measured | Cannot be measured | |
| #A70 | #B10 | Power supply | U = Ubat | 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=Ulow | ||
| #B5 | #B15 | Signal ground, accelerator pedal (AP) position sensor | U=Ulow | ||
| #B6 | #B16 | - | - | - | |
| #B7 | #B17 | - | - | - | |
| #B8 | #B18 | Signal (+), coolant level sensor | U=Ulow | ||
| #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 = Ubat | ||
| #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 depending on 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, 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 | Output signal (+), engine speed (RPM) | U=Ulow | U = quadratic wave voltage Utop =Ubat |
frequency increases with engine speed (RPM) |
| #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, terminal 50 | U=Ulow | U=Ulow | U=Ubat at the crank |
| #B24 | #B34 | - | - | - | |
| #B25 | #B35 | Signal (+) accelerator pedal (AP) position sensor, PWM signal | Utop
=Ubat t = 4ms 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 affected U=Ulow when the brake pedal is unaffected |
||
| #B27 | #B37 | Engine coolant temperature (ECT) output signal to the air conditioning (A/C) system | Utop
=Ubat t = 4ms pulse ratio = varies according to the engine temperature |
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| #B28 | #B38 | - | - | - | |
| #B29 | #B39 | Signal, outside temperature sensor | (0 °C) U=2.92 V (+10 °C) U=2.40V (+20 °C) U=1.90 V (+30 °C) U = 1.46 V |
- | Temperature range: -40 to +30 °C |
| #B30 | #B40 | - | - | - | |
| #B31 | #B41 | Fuel tank pressure sensor signal | U=2.5 V at 1kPa U=3.3 V at atmospheric pressure (0 kPa overpressure) U=4.1 V at 1 kPa overpressure |
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| #B32 | #B42 | - | - | - | |
| #B33 | #B43 | - | - | - | |
| #B34 | #B44 | - | - | - | |
| #B35 | #B45 | - | - | - | |
| #B36 | #B46 | - | - | - | |
| #B37 | #B47 | Ignition on signal, terminal 15 | 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 | EVAP canister shut-off valve control signal | U=3.82 volts | ||
| #B41 | #B51 | - | - | - | |
| #B42 | #B52 | - | - | - | |
| #B43 | #B53 | - | - | - | |
| #B44 | #B54 | Air conditioning (A/C) activation control signal | U=Ubat
(not activated) U=Ulow (activated) |
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| #B45 | #B55 | Fuel pump (FP) activation control signal | control signal to the central electronic unit for the control of fuel pump (FP) relay | ||
| #B46 | #B56 | Malfunction indicator lamp (MIL) control signal | U=Ulow | U=Ubat
(not activated) U=Ulow (activated) |
|
| #B47 | #B57 | - | - | - | |
| #B48 | #B58 | - | - | - | |
| #B49 | #B59 | - | - | - | |
| #B50 | #B60 | - | - | - |