Vauxhall Workshop Service and Repair Manuals

Operating Conditions: Engine Idling/Radiator Hose Hot/Park or Neutral/Closed Loop

A/C Compressor Clutch Relay Command

A/C ON

ON

This parameter displays the state of the air conditioning (A/C) clutch relay control circuit as commanded by the control module.

A/C Disabled-A/C Pressure Out of Range

A/C ON

No

This parameter displays the A/C compressor disable status.

A/C High Side Pressure Sensor

A/C OFF

0-5 V

This parameter displays the voltage from the A/C high side pressure sensor signal circuit to the control module.

A/C ON

0-5 V

A/C High Side Pressure Sensor

A/C OFF

700-90 kPa (101-13 PSI)

This parameter displays the pressure from the A/C high side pressure sensor signal circuit to the control module.

A/C ON

900-1 300 kPa (130-17 PSI)

A/C Off For WOT

A/C ON

No

This parameter displays the A/C compressor disable status.

A/C Disabled-Engine; Coolant Temperature too High

A/C ON

No

This parameter displays the A/C compressor disable status.

A/C Request Signal

A/C ON

Yes

This parameter displays the A/C request status.

Accelerator Pedal Position

-

0%

This parameter displays the angle of accelerator pedal position as calculated by the control module using the signals from the APP sensors.

APP Sensor 1

-

0.98 V

This parameter displays the voltage of the APP sensor 1 signal circuit as measured by the control module.

APP Sensor 2

-

0.51 V

This parameter displays the voltage of the APP sensor 2 signal circuit as measured by the control module.

BARO Sensor

-

0-5 V Varies with altitude

This parameter displays the barometric pressure in voltage. The control module uses the barometric pressure sensor input for fuel control to compensate for altitude differences.

BARO

-

65-104 kPa (8-16 PSI) Varies with altitude

This parameter displays the barometric pressure. The control module uses the barometric pressure sensor input for fuel control to compensate for altitude differences.

Boost Pressure Sensor

-

82-110 kPa (12-16 PSI)

This parameter displays the turbocharger boost pressure inside the engine as calculated by the control module based on the signal from the Boost pressure sensor.

Boost Pressure Sensor

-

1.05-1.75 V

This parameter displays the voltage of the turbocharger boost pressure inside the engine calculated by the control module based on the signal from the Boost pressure sensor.

Camshaft Position Sensor

Engine Cranking

Greater than 30 RPM

This parameter displays the speed of the engine camshaft rotation from information received from the camshaft position sensor.

Engine Idling

Approximately 360-42 RPM

Cooling Fan Relay 1 Command, Cooling Fan Relay 2 Command, Cooling Fan Relay 3 Command

Fans Commanded ON

ON

This parameter displays the control module commanded state of the fan relay control circuits.

CPP Sensor

-

0-5 V

This parameter displays the voltage of the clutch pedal position.

CPP Sensor

-

0-100%

This parameter displays the clutch pedal position.

Cylinder 1 Balancing Rate, Cylinder 2 Balancing Rate, Cylinder 3 Balancing Rate, Cylinder 4 Balancing Rate

-

varies

This parameter displays the difference of fuel injection mass of each cylinder

Desired Boost Pressure

-

125 kPa (18.1 PSI)

This parameter displays the desired turbocharger boost pressure inside the engine as calculated by the control module based on the signal from the Boost pressure sensor.

Desired EGR Position

-

0-100%

This parameter displays the desired exhaust gas recirculation (EGR) position as calculated by the control module based on the signal from the EGR position sensor.

Desired Fuel Rail Pressure

-

20.00-45.00 MPa (2 900-6 527 PSI)

This parameter displays the desired fuel rail pressure as calculated by the control module. This value is calculated based on engine speed, engine load, and sensor inputs.

Desired Idle Speed

-

950-80 RPM

This parameter displays the desired engine idle speed as commanded by the control module.

Distance Since Last DPF Regeneration

-

Varies

This parameter displays the distance that has elapsed since the last diesel particulate filter regeneration has occurred.

Distance Since Last DPF Replacement

-

Varies

This parameter displays the distance that has elapsed since the diesel particulate filter was replaced.

DPF Differential Pressure Sensor

-

0.00 kPa (0.00 PSI)

This parameter displays the difference between the front and rear pressures at the diesel particulate filter (DPF) as calculated by the ECM.

DPF Differential Pressure Sensor

-

0-5 V

This parameter displays the difference between the front and rear pressures at the DPF as calculated by the ECM.

DPF Soot Accumulation

-

0-180%

This parameter displays the amount of calculated soot in exhaust particulate filter.

DPF Regeneration Status

-

0-100%

This parameter displays the regeneration exhaust particulate filter.

ECT Sensor

-

-39 to +140°C (-38 to +284°F)

This parameter displays the temperature of the engine coolant based on input to the control module from the engine coolant temperature (ECT) sensor.

ECT Sensor

-

0-5 V

This parameter displays the voltage calculated by the control module from the engine coolant temperature (ECT) sensor.

EGR Command

-

40-55%

This parameter displays the percent of the duty cycle commanded by the control module.

EGR Cooler Bypass Valve Command

-

OFF

This parameter displays the status of the duty cycle commanded by the control module.

EGR Position Sensor

-

0-100%

This parameter displays the percent of the EGR position calculated by the control module.

EGR Position Sensor

-

varies

This parameter displays the voltage of the EGR position calculated by the control module.

Engine Controls Ignition Relay Feedback Signal

-

11-14.5 V

This parameter displays the actual battery voltage.

Engine Oil Life Remaining

-

varies

This parameter displays the remaining oil life.

Engine Oil Level Switch

-

OK

This parameter displays the status of the engine oil level switch as determined by the control module. The control module uses this information to turn on the low engine oil lamp if the engine oil level remains approximately 1 l low for a sufficient amount of time.

Engine Oil Pressure Switch

-

OK

This parameter displays the pressure of the engine oil calculated by the control module using a signal from the engine oil pressure sensor.

Engine Speed

Engine Cranking

Greater than 60 RPM

This parameter displays the speed of the engine crankshaft rotation from information received from the crankshaft position sensor. If there is a crankshaft position sensor DTC, the ECM calculates the engine speed from the camshaft position sensor.

Engine Idling

Approximately 950-85 RPM

Exhaust Gas Temperature Sensor 1

-

varies

This parameter will display the exhaust temperature before the DPF. When the exhaust temperature is low, the scan tool will display a low temperature. When the exhaust temperature is high, the scan tool will display a high temperature.

Exhaust Gas Temperature Sensor 1

-

varies

This parameter displays the voltage calculated by the control module from the exhaust temperature before the DPF.

Exhaust Gas Temperature Sensor 2

-

varies

This parameter will display the exhaust temperature after the DPF. When the exhaust temperature is low, the scan tool will display a low temperature. When the exhaust temperature is high, the scan tool will display a high temperature.

Exhaust Gas Temperature Sensor 2

-

varies

This parameter displays the voltage calculated by the control module from the exhaust temperature after the DPF.

Fuel Heater Command

Fuel heater commanded ON

ON

This parameter displays the status of the fuel heater commanded by the ECM

Fuel Level Sensor

-

varies

This parameter displays the voltage from the sensor used to monitor the fuel level inside the fuel tank. The scan tool will display a low voltage reading when that the fuel level in the tank is low or near empty. The scan tool will display a high voltage reading when the fuel level in the tank is high or near full.

Fuel Rail Pressure Regulator Command

-

varies

This parameter displays the control modules commanded state of the fuel rail pressure regulator.

Fuel Rail Pressure Regulator Command

-

1 700

This parameter displays the control modules commanded state of the fuel rail pressure regulator.

Fuel Rail Pressure Sensor

-

20.00-45.00 MPa (2 900-6 527 PSI)

This parameter displays the fuel rail pressure calculated by the control module using the signal from the fuel rail pressure sensor.

Fuel Rail Pressure Sensor

-

1.30-1.50 V

This parameter displays the voltage of the fuel rail pressure calculated by the control module using the signal from the fuel rail pressure sensor.

Fuel Temperature Sensor 1

-

25-40°C (77-104°F)

This parameter displays the fuel temperature calculated by the control module based on input from the fuel temperature sensor 1.

Fuel Temperature Sensor 2

-

25-40°C (77-104°F)

This parameter displays the fuel temperature calculated by the control module based on input from the fuel temperature sensor 2.

Fuel Temperature Sensor 2

-

2 V

This parameter displays the voltage calculated by the control module based on input from the fuel temperature sensor 2.

Generator F-Terminal Signal

-

60-70%

This parameter displays the commanded state of the generator by the control module.

Generator L-Terminal Signal

-

Active/inactive

This parameter indicates the generator commanded state by the ECM.

Glow Plug Command

-

Off

This parameter displays the control module commanded state of the glow plug.

Glow Plug Feedback Circuit

-

Inactive

This parameter displays the control module feedback signal of the glow plug.

HO2S 1 Heater Command

-

varies

This parameter displays the commanded state of the heated oxygen sensor (HO2S) heater by the control module. The scan tool will display a higher percentage as the heater command is increased, and a lower percentage if the heater is not commanded ON.

HO2S 1 Heater

-

varies

This parameter displays the commanded current of the heated oxygen sensor (HO2S) heater by the control module.

HO2S 1

-

50-850 mV and Varying

The scan tool displays a range of 0-1 106 mV. The HO2S bank 2 parameter represents the exhaust oxygen sensor output voltage. The voltage fluctuates constantly within a range between 10 mV , and 1 000 mV, while operating in Closed Loop.

HO2S 1

-

varies

This parameter displays the air to fuel ratio calculated by the control module.

IAT Sensor 1

-

-39 to +140°C (-38 to +284°F)

This parameter displays the temperature of the air entering the engine air duct calculated by the control module based on the input from the intake air temperature sensors.

IAT Sensor 1

-

0-5 V

This parameter displays the voltage of the air entering the engine air duct calculated by the control module based on the input from the intake air temperature sensors.

IAT Sensor 2

-

-39 to +140°C (-38 to +284°F)

This parameter displays the temperature of the air entering the engine air duct after the turbocharger calculated by the control module based on the input from the intake air temperature sensors.

IAT Sensor 2

-

0-5 V

This parameter displays the voltage of the air entering the engine air duct after the turbocharger calculated by the control module based on the input from the intake air temperature sensors.

Intake Air Flow Valve Motor Command

-

varies

This parameter displays the percent of the control modules commanded state of the intake air flow valve.

Intake Air Flow Valve Position

-

varies

This parameter displays the percent of the position of the intake air flow valve.

Intake Manifold Runner Control Valve Control Circuit Command

-

varies

This parameter displays the percent of the control modules commanded state of the intake manifold runner valve.

MAF Sensor

-

4-10 g/s

This parameter displays the air flow of the engine as calculated by the control module based on the signal from the Mass Air Flow Sensor.

System Voltage

-

11.0-14.5 V

This parameter displays the actual battery voltage.

Turbocharger Vane Position Solenoid Valve Command

-

varies

This parameter displays the percent of the control modules commanded state of the turbocharger vane position valve based on the boost pressure sensor.

Vehicle Speed

-

0 km/h (0 MPH)

This parameter displays the speed of the vehicle as calculated by the engine control module (ECM) from information received from the antilock brake system.

A/C Compressor Clutch Relay

This function activates the A/C compressor relay. The normal commanded state of the A/C relay is OFF. The A/C compressor will turn ON/OFF when commanded ON/OFF. The system remains in the commanded state for approximately 5 seconds. The engine control module (ECM) will inhibit the operation of the A/C relay when the ambient air temperature is low.

Compression Test

This function activates the compression test.

Cooling Fan

Cooling Fan Speed Enable; Cooling Fan Speed

Cooling Fan Relay 1

Cooling Fan Speed Enable; Cooling Fan Speed

Cooling Fan Relay 2

Cooling Fan Speed Enable; Cooling Fan Speed

Cooling Fan Relay 3

Cooling Fan Speed Enable; Cooling Fan Speed

Cylinder Power Balance

Fuel Injector Enable; Fuel Injector ON

DPF Service Regeneration

This function starts the service regeneration of the DPF.

EGR Solenoid Valve

This function opens or closes the exhaust gas recirculation (EGR) solenoid. The EGR solenoid increases or decreases in 10 percent increments. The device control will not change unless changed or cancelled by the scan tool.

Engine Speed

This function adjusts the engine speed in 25, 100, or 500 RPM increments between 600-2 000 RPM. The Device Control will not change unless changed or cancelled by the scan tool.

Fuel Heater Relay

This function controls the fuel heater relay. The device control will not change unless the state is changed by a scan tool.

Fuel Injector Balance

This function activates the fuel injector balance test

Fuel Pressure Drop Test

This function activates the fuel pressure drop test

Generator L-Terminal

This function controls the system voltage. When commanded ON, normal system voltage output is present. When commanded OFF, system voltage output is no longer present, Ignition 1 signal continues to drop, Alternator L-Terminal goes to OFF and Alternator F-Terminal continues to drop.

Glow Plugs

This function activates the Glow Plug Controller ON or OFF. The Device Control will be aborted after 12 seconds for the first activation, and after 5 seconds for every other activation. The Device Control is inhibited if the engine is running.

HO2S Test

HO2S Test Commands the HO2S heater ON and OFF

Intake Air Flow Valve Position

Intake Air Flow Valve Position Command 0-100%

Inlet Manifold Runner Control Valve

Intake Manifold Runner Command 0-100%

Turbocharger Vane Position Solenoid Valve

Cycles the turbocharger vane position solenoid to 95 percent boost and back to 0 percent boost. The device control is limited to engine speeds less than 2 000 RPM.