LEMON Manuals: Even more car manuals for everyone
Home >> Lincoln >> 2012 >> MKT Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Information Center - Instrumentation, Message Center, And Warning Chimes >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test H: The Tachometer Is Inoperative >> Pinpoint Test H: The Tachometer Is Inoperative

Pinpoint Test H: The Tachometer Is Inoperative

  1. H1 RETRIEVE THE RECORDED DTCs FROM THE PCM KOEO SELF-TEST 
    • Check for recorded PCM DTCs from the Key ON Engine OFF (KOEO) self-test.
    • Are any DTCs recorded? 
    1. Yes  : DIAGNOSE all PCM DTCs first. REFER to the INTRODUCTION - GASOLINE MODELS .
    2. No  : GO to H2.
  2. H2 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 in 10% increments while monitoring the tachometer.
    • Does the tachometer increase approximately 700 RPM with each 10% increment? 
    1. Yes  : GO to H3.
    2. No  : INSTALL a new IPC. REFER to INSTRUMENT PANEL CLUSTER (IPC) . TEST the system for normal operation.
  3. H3 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST 
    • Check for recorded DTCs from the IPC self-test.
    • Are any DTCs recorded? 
    1. Yes  : For DTC U0100:00, GO to PINPOINT TEST AO .

      For DTC U0401:68, RETRIEVE and REPAIR all non-network DTCs in the PCM and other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES for a list of all DTCs.

      For all other DTCs, REFER to DTC CHARTS .

    2. No  : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS . TEST the system for normal operation.
scientia non olet · About LEMON Manuals