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Home >> Ford >> 2014 >> F-150 Limited, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Information Center - Instrumentation, Message Center, And Warning Chimes) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test I: The Tachometer Is Inoperative >> Pinpoint Test I: The Tachometer Is Inoperative

Pinpoint Test I: The Tachometer Is Inoperative

WARNING: This page is about a different car, the 2013 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
  1. I1 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? 
  2. I2 CARRY OUT THE TACHOMETER ACTIVE COMMAND USING THE SCAN TOOL 
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: IPC DataLogger.
    • Select the IPC tachometer (TACH_IND) active command. Command the tachometer on and off while monitoring the tachometer.
    • Does the tachometer begin at 0 rpm, increase to 7, 000 rpm then return to 0 rpm? 
  3. I3 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST 
    • Check for recorded IPC DTCs from the self-test.
    • Are any DTCs recorded? 
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