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Home >> Volvo >> 2011 >> XC60 3.2 R-Design >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Ignition And Control Systems - Specifications, Other >> Vehicle Communication Information, Engine Control Module >> Vehicle Communication Information, Engine Control Module (ECM) [2014-2015, B4204T10 | 2014-2017, B4204T11; B4204T9 | 2014-2016, B4204T12] >> Description Of Parameters >> Pedals/Throttle
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Description Of Parameters: Pedals/Throttle

BRAKE LIGHT SWITCH, STATUS 

Shows current of brake light switch. Status corresponds to the signal from the directly connected brake light switch.

Active = the brake pedal is depressed enough to close the brake light switch.

CLUTCH PEDAL POSITION (VIA CAN) (%) 

The value indicates the actual position of the clutch pedal. The signal comes from the clutch pedal position sensor which is directly connected to the Central Electronic Module (CEM) and is sent to the Engine Control Module (ECM) via CAN.

Measurement range 0-100%.

Approx. 0% = fully released clutch pedal.

Approx. 99% = fully depressed clutch pedal.

CLUTCH PEDAL SWITCH, 75% (STATUS) 

The value indicates the actual position of the clutch pedal. The signal comes from the clutch pedal switch 75%, and is directly connected to the Engine Control Module (ECM).

Active = clutch pedal switch closed.

Inactive = clutch pedal switch not closed.

In a trouble-free system, status should switch between Inactive and Active when pedal position passes 75% of full pedal movement.

ACCELERATOR PEDAL POSITION (%) 

The value indicates the actual position of the accelerator pedal. The value comes from the accelerator pedal position sensor which is directly connected to the Engine Control Module (ECM) and whose signal is Pulse Width Modulated (PWM).

Measurement range 0-100%.

Approximately 7%= the accelerator pedal is completely released.

Approximately 70%= the accelerator pedal is completely depressed.

HINT: In a trouble-free system, the value should follow "Accelerator pedal position (via CAN)". 

ACCELERATOR PEDAL POSITION (VIA CAN) (%) 

The value indicates the actual position of the accelerator pedal. The value comes from the position sensor which is directly connected to the Central Electronic Module (CEM) and whose signal is analogue. The signal is forwarded to the Engine Control Module (ECM) via CAN.

Measurement range 0-100%.

Approximately 7%= the accelerator pedal is completely released.

Approximately 70%= the accelerator pedal is completely depressed.

HINT: In a trouble-free system, the value should follow "Accelerator pedal position". 

POSITION GEAR SELECTOR (STATUS) 

The status indicates the actual position of the gear selector. The signal comes form the directly connected cable between the Transmission Control Module (TCM) and the Engine Control Module (ECM).

P/N position connected = P/N position on the gear selector is active.

P/N position disconnected = P/N position on the gear selector is not active.

POSITION GEAR SELECTOR (VIA CAN) 

The status indicates the actual position of the gear selector. The signal comes form the Transmission Control Module (TCM) via CAN.

P/N position connected = P/N position on the gear selector is active.

P/N position disconnected = P/N position on the gear selector is not active.

HINT: In a trouble-free system the status follows "Position gear selector". 

NEUTRAL POSITION SENSOR 1 (%) 

The value indicates the current position of the gear selector shaft in to the gearbox. The signal comes from the directly connected Neutral Position Sensor, sensor 1.

Measurement range 0-100%.

Normal value: approx. 45 - 55% with unaffected gear selector in neutral position.

HINT: The Neutral Position Sensor sends two signals to the Engine Control Module (ECM) about the position on the gear shaft control. 

NEUTRAL POSITION SENSOR 2 (%) 

The value indicates the current position of the gear selector shaft in to the gearbox. The signal comes from the directly connected Neutral Position Sensor, sensor 1.

Measurement range 0-100%.

Normal value: approx. 36 - 44% with unaffected gear selector in neutral position.

HINT: The Neutral Position Sensor sends two signals to the Engine Control Module (ECM) about the position on the gear shaft control. 

THROTTLE POSITION (%) 

The value indicates the actual throttle position. The signal comes from the directly connected position sensor in the throttle unit.

Measurement range 0-100%.

0% = throttle is shut.

100% = throttle is fully open.

The throttle is set to the open position with the ignition on.

HINT: In a trouble-free system, the value should follow "Throttle position, setpoint value". 

HINT: Also see "Throttle position, circuit 1" and "Throttle position, circuit 2" below. 

THROTTLE POSITION, DESIRED VALUE (%) 

The value indicates the actual requested opening on the throttle.

Measurement range 0-100%.

0% = throttle is shut.

100% = throttle is fully open.

The throttle is set to the open position with the ignition on.

THROTTLE POSITION, CIRCUIT 1 

The value indicates the actual throttle position. The signal comes from the directly connected position sensor, sensor 1, in the throttle unit.

Measurement range -3 - 130%.

0% = throttle is shut.

100% = throttle is fully open.

Normal value: Approx 12% corresponds to closed position, approx 80% corresponds to open position (mechanical limit positions).

HINT: In a trouble-free system it is the position from the sensor in circuit 1 that is used by the Engine Control Module (ECM) for inter calculating and regulation. If the control module detects a fault with the sensor in circuit 1 the position from the sensor in circuit 2 is used instead. 

THROTTLE POSITION, CIRCUIT 2 

The value indicates the actual throttle position. The signal comes from the directly connected position sensor, sensor 2, in the throttle unit.

Measurement range -4 - 140%.

0% = throttle is shut.

100% = throttle is fully open.

Normal value: Approx 30% corresponds to closed position, approx 85% corresponds to open position. (mechanical limit positions).

HINT: In a trouble-free system it is the position from the sensor in circuit 1 that is used by the Engine Control Module (ECM) for inter calculating and regulation. If the control module detects a fault with the sensor in circuit 1 the position from the sensor in circuit 2 is used instead.