Pinpoint Test P: The Boost Gauge Is Inoperative (Diesel Only)

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

P1 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 INTRODUCTION - GASOLINE MODELS .
- No: GO to P2 .
P2 CHECK THE TURBO BOOST INPUT USING THE IC DEALER TEST MODE
NOTE: After exiting a dealer test mode session, it is necessary to clear all IC DTCs. Carry out the IC self-test.
- Ignition ON.
- Enter the IC dealer test mode.
- NOTE: The display below uses xxx's to represent a numeric or alpha-numeric value. The value may display the same amount of characters represented by the xxx's or there may be more/less depending on the type of display. For example: TURBO BOOST xxx may display TURBO BOOST 18.
- Scroll through the displays to TURBO BOOST xxx.
- NOTE: This step may require the use of an assistant to monitor the turbo boost input and the boost gauge indication.
- Drive the vehicle at various engine speeds and acceleration rates while monitoring the boost gauge input in the dealer test mode and the turbo boost gauge.
- Does the turbo boost input agree with the position of the boost gauge indication?
- Yes: GO to P3 .
- No: INSTALL a new IC . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
P3 RETRIEVE THE RECORDED DTCs FROM THE IC SELFTEST
- Check for recorded IC DTCs from the self-test.
- Are any DTCs recorded?
- Yes: For DTC U0100, GO to PINPOINT TEST BD .
  For all other DTCs, REFER to DTC CHARTS .
- No: INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS - GASOLINE ENGINES or ELECTRONIC ENGINE CONTROLS DIESEL ENGINE . TEST the system for normal operation.