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Cummins ISB CM550 (1990-94) Fault Code: 432 PID...

Circuit DescriptionThe accelerator pedal assembly relays the accelerator percentage requested by the operatorto the electronic control module (ECM). Percent accelerator is used to determine fueling. Theaccelerator position sensor and the...

Cummins ISB CM550 (1990-94) Fault Code: 432 PID...

Circuit DescriptionThe accelerator pedal assembly relays the accelerator percentage requested by the operatorto the electronic control module (ECM). Percent accelerator is used to determine fueling. Theaccelerator position sensor and the...

Cummins ISB CM550 (1990-94) Fault Code: 431 PID...

Circuit DescriptionThe idle validation switch (IVS) is used by the electronic control module (ECM) to indicatewhen the accelerator pedal is released (on-idle) or depressed (off-idle). The switch is adjustedby the...

Cummins ISB CM550 (1990-94) Fault Code: 431 PID...

Circuit DescriptionThe idle validation switch (IVS) is used by the electronic control module (ECM) to indicatewhen the accelerator pedal is released (on-idle) or depressed (off-idle). The switch is adjustedby the...

Cummins ISB CM550 (1990-94) Fault Code: 431 PID...

Circuit DescriptionThe idle validation switch (IVS) is used by the electronic control module (ECM) to indicatewhen the accelerator pedal is released (on-idle) or depressed (off-idle). The switch is adjustedby the...

Cummins ISB CM550 (1990-94) Fault Code: 431 PID...

Circuit DescriptionThe idle validation switch (IVS) is used by the electronic control module (ECM) to indicatewhen the accelerator pedal is released (on-idle) or depressed (off-idle). The switch is adjustedby the...

Cummins ISB CM550 (1990-94) Fault Code: 429 PID...

Circuit DescriptionThe WIF sensor is attached to the fuel filter. The WIF sensor sends a signal to the electroniccontrol module (ECM) when a set volume of water has accumulated in...

Cummins ISB CM550 (1990-94) Fault Code: 429 PID...

Circuit DescriptionThe WIF sensor is attached to the fuel filter. The WIF sensor sends a signal to the electroniccontrol module (ECM) when a set volume of water has accumulated in...

Cummins ISB CM550 (1990-94) Fault Code: 422 PID...

Circuit DescriptionThe coolant level sensor monitors the coolant level within the coolant system and passesinformation to the engine control module (ECM) through the engine harness. This sensor isvery complex. Do...

Cummins ISB CM550 (1990-94) Fault Code: 422 PID...

Circuit DescriptionThe coolant level sensor monitors the coolant level within the coolant system and passesinformation to the engine control module (ECM) through the engine harness. This sensor isvery complex. Do...

Cummins ISB CM550 (1990-94) Fault Code: 418 PID...

Circuit DescriptionThe WIF sensor is attached to the fuel filter. The WIF sensor sends a signal to the electroniccontrol module (ECM) when a set volume of water has accumulated in...

Cummins ISB CM550 (1990-94) Fault Code: 418 PID...

Circuit DescriptionThe WIF sensor is attached to the fuel filter. The WIF sensor sends a signal to the electroniccontrol module (ECM) when a set volume of water has accumulated in...

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