Pinpoint Test D: The Temperature Gauge Is Inoperative

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 the ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) (SECTION 0) article.
  - 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 AQ .
    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 DataLogger.
- 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 ELECTRONIC ENGINE CONTROLS . TEST the system for normal operation.
  - No : INSTALL a new IPC. REFER to Instrument Panel Cluster (IPC) . TEST the system for normal operation.