Variant Coding
Required Special Tools:
- MB992744: Vehicle communication interface-Lite (V.C.I.-Lite)
- MB992745: V.C.I.-Lite main harness A
- MB992747: V.C.I.-Lite USB cable short
- MB992748: V.C.I.-Lite USB cable long
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicles Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system)
The coding data can be checked by operating scan tool (M.U.T.-III).
NOTE:
For details on how to use the scan tool (M.U.T.-III), refer to the "M.U.T.-III User's Manual".
CAUTION:
To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
- Ensure that the ignition switch is at the "LOCK" (OFF) position.
- Start up the personal computer.
- Connect special tool MB992747/M992748 or special tool MB991827 to special tool MB992744 or special tool MB991824 and the personal computer.
- Connect special tool M B992745 or special tool MB991910 to special tool MB992744 or special tool MB991824.
- Connect special tool M B992745 or special tool MB991910 to the data link connector.NOTE: When the special tool MB992745 is connected to the data link connector, the special tool MB992744 indicator light will be illuminated in a green color.
- Turn the power switch of special tool MB991824 to the "ON" position. <When using the special tool MB991824>NOTE: When special tool MB991824 is energized, special tool MB991824 indicator light will be illuminated in a green color.
- Start the M.U.T.-III system on the personal computer and turn the ignition switch to the "ON" position.
- On the system selection screen, select "MFI" to check the ECM data, "SRS-AIR BAG" to check the SRS-ECU data, and "ETACS" to check the ETACS-ECU data.
- Select "Coding".
- Select "Coding Information & Copy".
- If the displayed coding information is different from the corresponding initial setting in the list, replace the ECU with a correctly coded one.
- For replacement of the ECM Refer to ENGINE CONTROL MODULE (ECM) .
- For replacement of the SRS-ECU Refer to SRS CONTROL UNIT (SRS-ECU) .
- For replacement of the ETACS-ECU (Refer to ETACS-ECU ).