20412752 Volvo.Penta Cover

Table 1
Application Minimum Maximum Default
GM 530/540
GMT-560 2485 PPKM (4000 PPM) 238080 PPKM (384000 PPM) 19884 PPKM (32000 PPM)
Other 2485 PPKM (4000 PPM) 238080 PPKM (384000 PPM) Not programmed "Vehicle Speed Cal (J1939-Trans)"
The "Vehicle Speed Cal (J1939-Trans)" parameter is used when the ECM is configured to use the speed of the transmission output shaft in order to calculate vehicle speed. The "Vehicle Speed Input" parameter must be programmed to "J1939-Trans". This value represents the revolution of the transmission output shaft as revolutions per kilometer (revolutions per mile). This parameter must be programmed. If this parameter is not programmed a 253-02 Check Customer or System Parameters will become active. This parameter affects the cruise control and the ECM speedometer signal. Also, this parameter can affect the PTO operation, extended idle, and trip totals.
Table 2
Minimum Maximum Default
0 revolutions per km (0 revolutions per mile) 43000 revolutions per km (65000 revolutions per mile) Not programmed "Vehicle Speed Cal (J1939 ABS)"
The "Vehicle Speed Cal (J1939-ABS)" parameter is used to calculate vehicle speed by using the input from the wheel speed. The data from the wheel speed is transmitted via the J1939 data link. The "Vehicle Speed Input" parameter must be programmed to "Vehicle Speed Cal J1939-ABS". The control for the Anti-lock Brake System (ABS) must transmit tire revolutions per mile that is based on the tire size. If the tire size is changed from the tire size that is programmed into the control for the ABS, the "Vehicle Speed Cal (J1939-ABS)" must also be changed. The value that is contained in the "Vehicle Speed Cal (J1939-ABS)" parameter is a ratio. If the actual tire size is equal to the tire size that is programmed into the control for the ABS, the "Vehicle Speed Cal (J1939-ABS)" parameter will be "1". The ratio can be found by dividing the tire revolutions per mile that is transmitted by the ABS by the actual tire revolutions per mile. Contact the manufacturer of the ABS in order to verify that this message is supported.If the "Vehicle Speed Input" parameter is programmed to "Vehicle Speed Cal J1939-ABS", this parameter must be programmed. If this parameter is not programmed a 253-02 Check Customer or System Parameters will become active. This parameter affects the cruise control and the ECM speedometer signal. Also, this parameter can affect the PTO operation, extended idle and trip totals.
Table 3
Minimum Maximum Default
0 6.550 Not programmed "Vehicle Speed Limit (VSL)"
The "Vehicle Speed Limit (VSL)" is the maximum vehicle speed that is allowed by the ECM. The ECM will shut off fuel to the injectors above this speed. An inexperienced driver may think that something is wrong with the engine because the ECM will not fuel the engine above this vehicle speed limit. Vehicle speed limiting allows the implementation of a gear fast/run slow specification for the truck. The gear fast/run slow specification for the truck improves fuel economy while the parameter for the vehicle speed limit limits the maximum vehicle speed of the truck.
Table 4
Application Minimum Maximum Default
GM 530/540
GMT-560 48 km/h (30 mph) 121 km/h (75 mph) 121 km/h (75 mph)
Other 48 km/h (30 mph) 204 km/h (127 mph) 204 km/h (127 mph) "VSL Protection"
The "VSL Protection" is the maximum engine rpm when there is a problem with the vehicle speed signal that is detected by the ECM. The ECM limits the engine to this engine rpm when the ECM senses no vehicle speed signal, and a load on the engine. This is a feature that is used to prevent tampering by running without a Vehicle Speed input to the ECM.Note: When this parameter is programmed to the TEL rpm, the ECM disables the 84-01 Vehicle Speed loss of signal and the 84-10 Vehicle Speed signal rate of change. Also, the "VSL Protection" can be exceeded by disconnecting the vehicle speed sensor.
Table 5
Application Minimum Maximum Default
GM 530/540
GMT-560 1700 rpm 1700 rpm 1700 rpm
Other 1700 rpm TEL rpm TEL rpm "Tachometer Calibration"
The "Tachometer Calibration" parameter is used by the ECM to translate the engine speed signal into revolutions per minute for a tachometer. This parameter is programmed in pulses per revolution (PPR). The programmable range is from 2.0 to 500.0 in increments of 0.1 PPR.
Table 6
Application Minimum Maximum Default
GM 530/540
GMT-560 2.0 PPR 500.0 PPR 17.5 PPR
Other 2.0 PPR 500.0 PPR 134.0 PPR