Lancer Sportback L4-2.4L (4B12) (2010)
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YES : Go to Step 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/Scan Tool Testing and Procedures/CAN Bus Diagnostics Table Then go to Step 11.
STEP 2. Using scan tool MB991958, check for ECM option coding data.
1. Connect scan tool MB991958 to the data link connector. See: Reading and Clearing Diagnostic Trouble Codes/How to Connect the Scan Tool
(M.U.T.-Iii.)
2. Turn the ignition switch to the "ON" position.
3. Check for ECM option coding data (Refer to Precautions Before Service - Coding List.) See: Powertrain Management/Computers and Control
Systems/Engine Control Module/Service and Repair/Procedures/How to Perform Vehicle Identification Number (VIN) Writing
Q: Is the cruise control item of the ECM option coding data enabled?
YES : Go to Step 3.
NO : Set the ECM option coding data again. (Refer to Precautions Before Service - Coding List.) See: Powertrain Management/Computers and
Control Systems/Engine Control Module/Service and Repair/Procedures/How to Perform Vehicle Identification Number (VIN) Writing Then go
to Step 11.
STEP 3. Using scan tool MB991958, check for MFI system DTC.
1. Connect scan tool MB991958 to the data link connector. See: Reading and Clearing Diagnostic Trouble Codes/How to Connect the Scan Tool
(M.U.T.-Iii.)
2. Turn the ignition switch to the "ON" position.
3. Check for MFI system DTC (Refer to MFI Diagnosis - Diagnostic Function.) See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Function
Q: Is any DTC set?
YES : Repair the MFI system (Refer to MFI Diagnosis - Diagnostic Trouble Code Chart.) See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Diagnostic Trouble Code Descriptions Then go to Step 11.
NO : Go to Step 5 [M/T.]
NO : Go to Step 4 [CVT.]
STEP 4. Using scan tool MB991958, check for CVT system DTC [CVT.]
1. Connect scan tool MB991958 to the data link connector. See: Reading and Clearing Diagnostic Trouble Codes/How to Connect the Scan Tool
(M.U.T.-Iii.)
2. Turn the ignition switch to the "ON" position.
3. Check for CVT system DTC (Refer to Diagnosis - Diagnostic Function.) See: Transmission and Drivetrain/Continuously Variable
Transmission/Transaxle/Testing and Inspection/Initial Inspection and Diagnostic Overview
Q: Is any DTC set?
YES : Repair the CVT system (Refer to Diagnosis - Diagnostic Trouble Code Chart.) See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Diagnostic Trouble Code Descriptions/Continuously Variable Transaxle (CVT) Then go to Step 11.
NO : Go to Step 5.
STEP 5. Check for cruise control system DTC.
1. Disconnect the negative (-) battery terminal, to erase the DTC of the cruise control system.
2. Connect the negative (-) battery terminal.
3. Turn the ignition switch to the "ON" position, and press the "ON/OFF" switch to turn the cruise control system to ON (turn on the "CRUISE"
indicator light.)
4. After turning the cruise control system to ON, when 2 minutes or more has elapsed without operating the cruise control switches.
5. With the cruise control switches not operated, depress the brake pedal for several seconds, and then read the DTC of the cruise control system
(Refer to Diagnostic Function.) See: Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
Q: Is DTC set?