Galant L4-2.4L (4G69) (2004)
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to "ON" position.
3. Check if scan tool MB991958 can communicate with the powertrain control module.
Q: Is the check result satisfactory?
YES: Go to Step 2.
NO: Refer to MFI Diagnostic Trouble Code Chart. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Descriptions
STEP 2. Using scan tool MB991958, diagnose the CAN bus line
Use scan tool MB991958 to diagnose the CAN bus lines.
Q: Is the check result satisfactory?
YES: Diagnose the power supply circuit. See: Instrument Cluster / Carrier/Testing and Inspection/Symptom Related Diagnostic Procedures/Symptom
Diagnostic Procedures/Inspection Procedure 2
NO: Repair the CAN bus lines (Refer to Diagnosis-Can Bus Diagnostic Chart). See: Powertrain Management/Computers and Control
Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics
Inspection Procedure 2
The multi-center display does not Show any Information. (Middle Grade type)