Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Procedures

INITIALIZATION PROCEDURE FOR LEARNING VALUE IN MFI ENGINE
When the following service is performed, initialize the learning value.
^ At replacing engine assembly*
^ At replacing throttle body and at cleaning
^ At replacing knock sensor

NOTE: * Initialize A/T-related learning value.

INITIALIZATION PROCEDURE

Required Special Tools:
^ MB991958: Scan Tool (M.U.T.-III Sub Assembly)
^ MB991824: V.C.I.
^ MB991827: M.U.T.-III USB Cable
^ MB991910: M.U.T.-III Main Harness A





CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.

1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "Check Mode" form the menu screen.
4. Select "ERASE MEMORY" form the menu screen.
5. Initialize the learning value.
6. After initialization of the learning value, learn the idling in MFI engine. (Refer to LEARNING PROCEDURE FOR IDLING IN MFI ENGINE). Learning Procedure For Idling In MFI Engine