Test/Limit Value Readout
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.
- After the ignition switch is in "LOCK" (OFF) position, connect scan tool MB991958 to the diagnosis connector.
- Turn the ignition switch to the "ON" position.
- Select "MFI" from System select Screen of scan tool MB991958.
- Select "Special Function" from MFI Screen.
- Select "Timing chain maintenance" from Special Function Screen.
- Select "Test/Limit value readout" from Timing chain maintenance Screen.
- Read the value of percentage (%) shown on the screen.NOTE: The value of percentage (%) shown on the screen is the amount of elongation of the timing chain calculated by the ECM based on the learning value, and thus is not the actual amount. Use this for the reference only.