Pinpoint Test D: The Temperature Gauge Is Inoperative

WARNING: This page is about a different car, the 2014 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

D1 RETRIEVE THE RECORDED DTCs FROM THE PCM KOEO SELF-TEST
- Check the recorded PCM DTCs from the Key ON Engine OFF (KOEO) self-test.
Are any DTCs recorded?
- Yes : REFER to ELECTRONIC ENGINE CONTROLS . TEST the system for normal operation.
- No : GO to D2 .
D2 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST
- Check for recorded IPC DTCs from the self-test.
Are any DTCs recorded?
- Yes : For DTC U0100:00, GO to PINPOINT TEST AT .
  For all other DTCs, REFER to DTC CHARTS .
- No : GO to D3 .
D3 CARRY OUT THE TEMPERATURE GAUGE ACTIVE COMMAND USING THE SCAN TOOL
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: IPC Data Logger.
- NOTE: Make sure the temperature gauge is commanded to full cold before beginning this step.
  
  Select the IPC temperature gauge (ENGCOOLNT) active command. Command the temperature gauge on and off while monitoring the gauge.
Does the temperature gauge start at cold (C), move to full hot (H) and return to cold (C)?
- Yes : INSTALL a new PCM. REFER to POWERTRAIN CONTROL MODULE (PCM) . TEST the system for normal operation.
- No : INSTALL a new IPC . REFER to Instrument Panel Cluster (IPC) . TEST the system for normal operation.