SPN 111/FMI 1
This diagnosis typically coolant level low.
Engine Coolant Level Sensor Check
Check as follows:
- Turn the vehicle ignition switch ON (key On, engine OFF).
- Check for multiple codes.
- If other faults are active in addition to fault 111/1, troubleshoot the other faults first.
- If only fault 111/1 is active, go to step 3 .
- Check the coolant level in the reservoir. See Figure
"Engine Coolant Level Sensor Mounted in Radiator Top Tank"
Figure 1. Engine Coolant Level Sensor Mounted in Radiator Top Tank
- If the coolant level in the reservoir is not within limit, refer to "30.1.2 Coolant Leak or Faulty Radiator Cap Check" .
- If the coolant level in the reservoir is within limit, replace the sensor (see Figure "Engine Coolant Level Sensor Installation for CPC" ). Refer to "22.214.171.124 Verify Repairs" .
Figure 2. Engine Coolant Level Sensor Installation for CPC
Coolant Leak or Faulty Radiator Cap Check
Check as follows:
- Check for coolant leak at cylinder head gasket.
- Check for coolant leak at air compressor head gasket.
- Check for external coolant leak at hose connections.
- Check for coolant in oil.
- Check for loose or faulty radiator cap.
- When these checks and subsequent repairs are finished, Refer to "126.96.36.199 Verify Repairs" .
Verify repairs as follows:
- Turn ignition OFF.
- Reconnect any electrical connections that were disconnected to perform the diagnosis.
- Clear codes with DDDL 7.0 or latest version.
- Start and bring engine up to operating temperature (over 140°F/60°C).
- Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
|EPA07 Series 60 DDEC VI Troubleshooting Guide - 6SE567|
|Generated on 10-13-2008|