Initialization
INITIALIZATION1. RESET MEMORY
CAUTION: Perform the RESET MEMORY (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM.
NOTE: Hand-held tester only
HINT: The ECM stores the condition under which the ECT (Electronic Controlled Automatic Transmission) controls the automatic transmission and engine assemblies according to their characteristics. Therefore, when the automatic transmission assembly, engine assembly, or ECM has been replaced, it is necessary to reset the memory so that the ECM can store the new information. Reset procedure is as follows.
a. Turn the ignition switch off.
b. Connect the hand-held tester together with the CAN VIN (controller area network vehicle interface module) to the DLC3.
c. Turn the ignition switch to the ON position and push the hand-held tester main switch on.
d. Select the items "DIAGNOSIS/ ENHANCED OBD II".
e. Perform the reset memory procedure from the ENGINE menu.
CAUTION: After performing the RESET MEMORY, be sure to perform the ROAD TEST described earlier.
HINT: The ECM stores the new information during the ROAD TEST.
2. SET UP FUNCTION OF ATF TEMPERATURE WARNING LAMP (ONLY 4WD VEHICLE)
CAUTION: Re-set the function of the ATF (Automatic Transmission Fluid) temperature warning lamp, if the ECM has been replaced or RESET MEMORY (AT initialization) has been performed.
HINT:
- The ATF temperature warning lamp is built into the 4WD vehicles. When the ATF temperature is too high, the ATF temperature warning lamp illuminates to warn the driver. If the ECM has been replaced or RESET MEMORY has been performed, this function does not work unless the following procedure is performed.
- Once the ECM is set up, its memory will not be cleared by only disconnecting the negative cable from the battery.
a. Start the engine.
b. Shift the 4 wheel drive control switch to the 4WD position. Check that the 4WD indicator illuminates.
c. Shift the 4 wheel drive control switch to the 2WD position.
d. Drive the vehicle at a vehicle speed of 25 mph (40 km/h) or more.
NOTE: If the battery is disconnected before driving the vehicle at a vehicle speed of 25 mph (40 km/h) or more, the memory will be cleared. If the battery has been disconnected, perform steps (a) to (d) again.