Automatic Transmission System (For 1Gr-Fe) Initialization

Drivetrain. Land Cruiser. Urj200, 202 Grj200 Vdj200
A750F Automatic Transmission Transaxle. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. RESET MEMORY

  1. ATF THERMAL DEGRADATION ESTIMATE RESET

Automatic Transmission System (For 1Gr-Fe) -- Initialization



RESET MEMORY
NOTICE:
  1. Perform the Reset Memory (AT initialization) when replacing the automatic transmission assembly, valve body assembly or any of the shift solenoid valves.
  2. The Reset Memory can be performed only with the intelligent tester.
HINT:
The ECM memorizes the control conditions of the automatic transmission assembly and engine assembly. Therefore, when the automatic transmission assembly, valve body assembly or any of the shift solenoid valves has been replaced, it is necessary to reset the memory so that the ECM can memorize the new information.

  1. Connect the intelligent tester to the DLC3.

  2. Turn the engine switch on (IG).

  3. Turn the intelligent tester on.

  4. Enter the following menus: Powertrain / Engine and ECT / Utility / Reset Memory.

    NOTICE:
    After performing the Reset Memory, be sure to perform the Road Test (Click here) described earlier.
    HINT:
    The ECM learns through the road test.

ATF THERMAL DEGRADATION ESTIMATE RESET
NOTICE:
If either of the following conditions is met, perform ATF Thermal Degradation Estimate Reset.
  1. The ATF has been replaced.
    HINT:
    If 50000 or more is displayed for the Data List item "ATF Thermal Degradation Estimate", thermal degradation of the ATF is suspected. Perform ATF Thermal Degradation Estimate Reset after replacing the ATF.
  2. Approximately 50% or more of the ATF has been replaced during a repair of the transmission or a similar operation.

  1. Connect the GTS to the DLC3.

  2. Turn the engine switch on (IG).

    NOTICE:
    Do not start the engine.

  3. Turn the GTS on.

  4. Enter the following menus: Powertrain / Engine and ECT / Utility / ATF Thermal Degradation Estimate Reset.