LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2009 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Control System (1AR-FE) - DTC P0125 - P0500) >> DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control >> Confirmation Driving Pattern

Confirmation Driving Pattern

WARNING: This page is about a different variant/trim than selected.
Fig 1: Confirmation Driving Pattern
G05996855Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Leave the vehicle outside overnight.
  2. Connect the Techstream to the DLC3.
  3. Turn the ignition switch to ON and turn the Techstream on.
  4. Enter the following menus: Powertrain/Engine/Data List/All Data/Coolant Temp.
  5. Check that the engine coolant temperature is 10°C (50°F) or less.
  6. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  7. Turn the ignition switch off.
  8. Turn the ignition switch to ON and turn the Techstream on [A].
  9. Start the engine.
  10. After starting the engine, wait 21 minutes or more [B].
  11. Enter the following menus: Powertrain/Engine/Utility/All Readiness.
  12. Input the DTC: P0125.
  13. Check the DTC judgment result [C].
    TECHSTREAM DISPLAY DESCRIPTION

    Techstream Display Description
    NORMAL
    • DTC judgment completed
    • System normal
    ABNORMAL
    • DTC judgment completed
    • System abnormal
    INCOMPLETE
    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions
    UNKNOWN
    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit
  14. If the test result is UNKNOWN, enter the following menus: Powertrain/Engine/Trouble Codes/Pending.
  15. Read Pending DTCs.

    HINT:

    If a pending DTC is output, the system is malfunctioning.

  16. If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs (See DTC CHECK/CLEAR ).

    HINT:

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.