Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2010 Lexus IS FFACTORY OEM SERVICE PROCEDURE
Automatic Transmission System: Precaution: Precaution
NOTE:
- If any parts are replaced, perform the following as necessary referring to the table below.
Replaced Part Reset Memory*1 Set Transmission Compensation Code Learning by Driving
(Road Test)Automatic transmission assembly -*2 Perform*3 Perform - Valve body assembly
- Shift solenoid valve SL1, 2, 3, 4 and 5
- - Perform TCM
(If possible, read the transmission compensation code from the previous TCM)Possible - Perform*4 Perform Impossible - Perform*5 Perform - Engine assembly
- ECM
Perform - Perform
HINT:Β
- *1: Reset Memory cannot be completed by only disconnecting and reconnecting the cable to the negative (-) battery terminal.
- *2: When "Set Transmission Compensation Code" is performed, "Reset Memory" is automatically completed.
- *3: Set the compensation code for the new automatic transmission.
- *4: Read the compensation code from the previous TCM, then transfer it to the new TCM.
- *5: Set the transmission compensation code of the current automatic transmission.
- Registration of the transmission compensation code. Refer to REGISTRATIONΒ .
- Learning by driving (Road Test). Refer to INITIALIZATIONΒ .
- Reset Memory. Refer to INITIALIZATIONΒ .
NOTE:
Reset Memory cannot be completed by only disconnecting and reconnecting the cable to the negative (-) battery terminal.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
