Idle Speed/Throttle Actuator - Electronic: Service and Repair

The content of this article and images reflects the changes identified in TSB-10-00-008.

INITIALIZATION PROCEDURE FOR THROTTLE ACTUATOR CONTROL MOTOR
When the battery cable is disconnected and reconnected, throttle actuator control motor valve (Fully closed position) is eliminated, so that the throttle valve opening angle control would not be performed correctly. When the battery cable is disconnected and reconnected, initialize the throttle actuator control motor using the following procedure.
1. Turn the ignition switch to the "ON" position then, turn the ignition switch to "LOCK" (OFF) position.
2. For 10 seconds or more, keep the ignition switch in "LOCK" (OFF) position.

TIMING CHAIN LEARNED VALUE RESET [2.0l non-turbo; 2.4l]

Required Special Tool:
^ MB991958: Scan Tool (M.U.T.-III Sub Assembly)
^ MB991824: V.C.I.
^ MB991827: USB Cable
^ MB991910: 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. After the ignition switch is in "LOCK" (OFF) position, connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "MFI" from System select Screen of scan tool MB991958.
4. Select "Special Function" from MFI Screen.
5. Select "Timing chain maintenance" from Special Function Screen.
6. Select "Learned value reset" from Timing chain maintenance Screen.
7. Press "OK" to store the initial learning value file.