Detroit Diesel Troubleshooting Diagrams

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Troubleshooting

Series 60 – OPTIMIZED IDLE – DDEC VI SCHEMATICS

Posted on October 11, 2020 by sam

129.3 OPTIMIZED IDLE See Figure 129-8 for the Optimized Idle overall system schematic.

Troubleshooting

Series 60 – FAN CONTROL – DDEC VI SCHEMATICS

Posted on October 11, 2020 by sam

129.2 FAN CONTROL DDEC VI provides fan control for four different fan configurations. 129.2.1 Single-speed Fan – Fan Type 4 This fan type must be…

Troubleshooting

Series 60 – CRUISE CONTROL – DDEC VI SCHEMATICS

Posted on October 11, 2020 by sam

See Figure 129-1 for a diagram of the Cruise Control circuit.

Troubleshooting

Series 60 – SPN 4228/FMI 16 – VGT TEMPERATURE WARNING

Posted on October 11, 2020 by sam

This fault typically arises from operating under extreme load and high ambient temperatures and/or high altitude operation. 128.2.1 Temperature Warning Check128.1.1.1. Check as follows: 1.…

Troubleshooting

Series 60 – SPN 4228/FMI 15 – VGT TEMPERATURE WARNING

Posted on October 11, 2020 by sam

This fault typically results from high load operation in high ambients. No action is necessary (this is a “silent” fault, the fan will be turned…

Troubleshooting

Series 60 – SPN 3798/FMI 4 – PROPORTIONAL VALVE BANK 2 CIRCUIT

Posted on October 11, 2020 by sam

This diagnosis is typically proportional valve bank 2 circuit failed low. 125.1.1 Circuit Check Check as follows: 1. Turn the ignition ON (key ON, engine…

Troubleshooting

Series 60 – SPN 3695/FMI 19 – DPF REGEN MUX SWITCH MESSAGES NOT OPERATING NORMALLY

Posted on October 11, 2020 by sam

This fault is typically one of the following: □ DPF Regen Inhibit Switch message contains a data error indicator □ DPF Regen Force Switch message…

Troubleshooting

Series 60 – SPN 3695/FMI 14 – DPF REGEN MUX SWITCH MESSAGES NOT OPERATING NORMALLY

Posted on October 11, 2020 by sam

This fault is typically one of the following: □ DPF Regen Inhibit Switch message not received this ignition cycle □ DPF Regen Force Switch message…

Troubleshooting

Series 60 – SPN 3695/FMI 13 – DPF REGEN MUX SWITCH MESSAGES NOT OPERATING NORMALLY

Posted on October 11, 2020 by sam

This fault is typically one of the following: . □ DPF Regen Inhibit Switch message contains a SNV indicator □ DPF Regen Force Switch message…

Troubleshooting

Series 60 – SPN 3695/FMI 9 – DPF REGEN MUX SWITCH MESSAGES NOT OPERATING NORMALLY

Posted on October 11, 2020 by sam

This fault is typically one of the following: □ DPF Regen Inhibit Switch message stopped arriving □ DPF Regen Force Switch message stopped arriving 123.1.1…

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Recent Posts

  • Series 60 – OPTIMIZED IDLE – DDEC VI SCHEMATICS
  • Series 60 – FAN CONTROL – DDEC VI SCHEMATICS
  • Series 60 – CRUISE CONTROL – DDEC VI SCHEMATICS
  • Series 60 – SPN 4228/FMI 16 – VGT TEMPERATURE WARNING
  • Series 60 – SPN 4228/FMI 15 – VGT TEMPERATURE WARNING

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