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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2808 (Engine Controls - Pinpoint Tests - (Hybrid) - Pinpoint Tests QA - Z) >> Pinpoint Test TY: Transmission Range Signal >> Test Procedure

Test Procedure

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. TY1 DTC P1921: CHECK FOR THE PRESENCE OF DTC P1145 
    NOTE: Diagnose and repair any transmission range (TR) sensor KOEO and KOER self-test DTCs before entering this pinpoint test.
    NOTE: The TCM DTC P1921 may be set as a result of DTC P1145.

    Is TCM DTC P1145 present during the self-test? 

    Yes No
    DISREGARD DTC P1921 at this time and DIAGNOSE TCM DTC P1145.
    GO to Pinpoint Test TU .    		 GO to  TY2.
  2. TY2 KOEO AND CONTINUOUS MEMORY DTC P1921: VERIFY THAT THE HARD FAULT IS PRESENT 
    NOTE: Clearing the TCM DTCs will erase any TCM recorded freeze frame data. Make sure to record any TCM freeze frame information before proceeding any further. Refer to the diagnostic tool instruction manual for freeze frame PID menu.
    • Clear and retrieve the TCM continuous DTCs.

    Is DTC P1921 present? 

    Yes No
    GO to  TY3. GO to  TY4.
  3. TY3 CHECK THE TCM SHIFT POSITION PID 
    • Key ON, engine OFF.
    • Access the TCM and monitor the PRNDL_T PID.
    • Move the gear selector lever from PARK to REVERSE, NEUTRAL, DRIVE and LOW gears.

    Does the gear selector match the PRNDL_T PID in every gear? 

    Yes No
    INSTALL a new transaxle assembly. Key in OFF position.
    GO to  TY6.
  4. TY4 RECREATE THE SYMPTOM USING ALL AVAILABLE DATA 
    NOTE: To recreate the original conditions that set the DTC or caused the symptom, the vehicle may require driving.
    • Access the Freeze Frame Data (if available) and record the DTC malfunction conditions.
    • Clear the TCM DTCs.
    • Obtain information from the customer information worksheet or any other available data from the customer.
    • Access the TCM and monitor the PRNDL_T PID.
    • Recreate the symptom using freeze frame and customer information.
    • When the symptom occurs, press trigger to begin recording. Refer to diagnostic tool instruction manual for information on the recorder function.

    Could the symptom be recreated? 

    Yes No
    Key in OFF position.
    GO to  TY5.    		 GO to Pinpoint Test Z .
  5. TY5 CHECK THE TCM SHIFT POSITION PID 
    NOTE: Use the data recorded in the Pinpoint Test Step TY3.

    Does the gear selector match the TCM PRNDL_T PID in every gear? 

    Yes No
    INSTALL a new transaxle assembly. GO to  TY6.
  6. TY6 CHECK FOR CORRECT PCM OPERATION 
    • Disconnect all the PCM connectors.
    • Visually inspect for:
      • pushed out pins.
      • corrosion.
    • Connect all the PCM connectors and make sure they seat correctly.
    • Carry out the PCM self-test and verify the concern is still present.

    Is the concern still present? 

    Yes No
    INSTALL a new PCM. REFER to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) . The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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