Cumminz
Cummins ISB CM550 (1990-94) Fault Code: 489 PID: 191 SPN: 191 FMI: 0 Auxiliary Speed or Auxiliary Pressure Input Error
Publicado por Diezel Solutions en
Circuit DescriptionThe auxiliary speed input is a frequency signal from an auxiliary speed or pressure pickup. It issent to the electronic control module (ECM) and is used to control the engine speed. Auxiliaryreference speed is based on the throttle position. Component LocationThe auxiliary speed or pressure pickup device location is dependent on the original equipmentmanufacturer’s (OEM) application. Refer to OEM manual for component location. Shop TalkThe auxiliary speed governor controls engine speed based on a measured auxiliary speed orpressure. The auxiliary speed governor feature must be enabled in the calibration and setproperly for speed or pressure, depending on the OEM...
Cummins ISB CM550 (1990-94) Fault Code: 515 PID: 91 SPN: 91 FMI: 4 Coolant Level Sensor Circuit
Publicado por Diezel Solutions en
Circuit DescriptionThe coolant level sensor monitors the coolant level within the coolant system and passesinformation to the electronic control module (ECM) through the engine harness. Component LocationThe coolant level sensor is located in the radiator top tank or surge tank. Shop TalkThis is an original equipment manufacturer (OEM)-supplied component and will vary in sensorlocation.1) If a shorting plug is used in the coolant level circuit, verify that it is wired correctly.2) Inspect the wiring harness between the Weather-Pack four-way connector and the coolant level sensor for damage.3) Make sure the coolant level sensor is located in the middle of the...
Cummins ISB CM550 (1990-94) Fault Code: 516 PID: 91 SPN: 91 FMI: 3 Coolant Level Sensor Circuit
Publicado por Diezel Solutions en
Circuit DescriptionThe coolant level sensor monitors the coolant level within the coolant system and passesinformation to the electronic control module (ECM) through the engine harness. Component LocationThe coolant level sensor is located in the radiator top tank or surge tank. Shop TalkThis is an original equipment manufacturer (OEM)-supplied component and will vary in sensorlocation.1) If a shorting plug is used in the coolant level circuit, verify that it is wired correctly.2) Inspect the wiring harness between the Weather-Pack four-way connector and the coolant level sensor for damage.3) Make sure the coolant level sensor is located in the middle of the...
Cummins ISB CM550 (1990-94) Fault Code: 516 PID: 91 SPN: 91 FMI: 3 Coolant Level Sensor Circuit
Publicado por Diezel Solutions en
Circuit DescriptionThe coolant level sensor monitors the coolant level within the coolant system and passesinformation to the electronic control module (ECM) through the engine harness. Component LocationThe coolant level sensor is located in the radiator top tank or surge tank. Shop TalkThis is an original equipment manufacturer (OEM)-supplied component and will vary in sensorlocation.1) If a shorting plug is used in the coolant level circuit, verify that it is wired correctly.2) Inspect the wiring harness between the Weather-Pack four-way connector and the coolant level sensor for damage.3) Make sure the coolant level sensor is located in the middle of the...
Cummins ISB CM550 (1990-94) Fault Code: 516 PID: 91 SPN: 91 FMI: 4 Coolant Level Sensor Circuit
Publicado por Diezel Solutions en
Circuit DescriptionThe coolant level sensor monitors the coolant level within the coolant system and passesinformation to the electronic control module (ECM) through the engine harness. Component LocationThe coolant level sensor is located in the radiator top tank or surge tank. Shop TalkThis is an original equipment manufacturer (OEM)-supplied component and will vary in sensorlocation.1) If a shorting plug is used in the coolant level circuit, verify that it is wired correctly.2) Inspect the wiring harness between the Weather-Pack four-way connector and the coolant level sensor for damage.3) Make sure the coolant level sensor is located in the middle of the...