Detroit GHG14 Engine Idle Does not Go into Continuous Run Mode

This instruction show you guide on how to solve Detroit GHG14 EPA07 engine idle does not go into continuous run mode under extreme ambient conditions.

 

Preparations:

2024 Detroit Diesel Diagnostic Link DDDL 8.19 8.09 Free Download

JPRO DLA+ 2.0 Adapter

NEXIQ USB Link 2 Adapter

 

Procedures:

Check as follows:

1Does the HVAC work on the vehicle?

1a Yes; Go to step 2.

1b No; repair the HVAC system first. Refer to chassis OEM guidelines.

 

2 Check CPC parameters to make sure the Continuous Run feature is enabled

2a Yes; Go to step 3.

2b No; this feature is available but not set up on the vehicle.

 

3 Is the Optimized Idle Thermostat Skin Temperature sensor properly adhered onto an outside metal wall, secured and wired to the Thermostat? Refer to OEM literature for sensor location.

3a Yes; Go to step 4.

3b No; repair as necessary.

4 Disconnect the Optimized Idle Thermostat electrical connector and measure the resistance between the Optimized Idle Thermostat connector and the Skin Temperature sensor harness side connector. Is the resistance less than 10 ohms?

4a Yes; replace the Skin Temperature sensor.

4b No; repair the circuit.

More repair cases for Detroit Diesel engines,please refer to:Detroit Diesel Engine Repair