Inspection Procedure 2: Cruise Control cannot be Set (No Response SET - Switch is Pressed): Diagnosis

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be stored. Prior to this diagnosis, diagnose the CAN bus lines.
Before replacing the ECU, ensure that the CAN bus lines is normal.

STEP 1. Diagnose the CAN bus line.
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).
1. Connect scan tool (M.U.T.-III). Refer to "HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) ."
2. Turn the ignition switch to the "ON" position.
3. Diagnose the CAN bus line. (Refer to EXPLANATION ABOUT THE SCAN TOOL (M.U.T.-III) CAN BUS DIAGNOSTICS )
4. Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the check result satisfactory?
1. YES: Go to Step 2
2. NO: Repair the CAN bus lines (Refer to CAN BUS DIAGNOSTIC TABLE ). Then go to Step 2.
STEP 2. Check the diagnostic trouble code is stored again.
Q: Is diagnostic trouble code stored?
1. YES: Repair the adaptive cruise control system (ACC) (Refer to CHECK OF THE FREEZE FRAME DATA ).
2. NO: Go to Step 3.
STEP 3. Check the other system diagnostic trouble code.
Using scan tool (M.U.T.-III), perform MFI system diagnostic trouble code (Refer to DIAGNOSIS FUNCTION ) < 2.4L ENGINE > or (Refer to DIAGNOSIS FUNCTION ) < 3.0L ENGINE >.

Q: Is any diagnostic trouble code stored?
1. YES: Repair the MFI system (Refer to DIAGNOSTIC TROUBLE CODE CHART < 2.4L ENGINE >, DIAGNOSTIC TROUBLE CODE CHART < 3.0L ENGINE >).
2. NO: Go to Step 4.
STEP 4. Check the other system diagnostic trouble code.
Using scan tool (M.U.T.-III), perform ASC system diagnostic trouble code (Refer to DIAGNOSIS FUNCTION ).

Q: Is the diagnostic trouble code stored?
1. YES: Repair the ASC system (Refer to DIAGNOSTIC TROUBLE CODE CHART ).
2. NO: Go to Step 5.
STEP 5. Check the other system diagnostic trouble code.
Using scan tool (M.U.T.-III), perform transaxle system diagnostic trouble code (Refer to DIAGNOSIS FUNCTION < CVT >, DIAGNOSIS FUNCTION < A/T >).

Q: Is any diagnostic trouble code stored?
1. YES: Repair the transaxle system (Refer to DIAGNOSTIC TROUBLE CODE CHART < CVT >, DIAGNOSTIC TROUBLE CODE CHART < A/T >).
2. NO: Go to Step 6.
STEP 6. Check the other symptom.
The system should be turned on when the cruise control switch is operated.

Q: Is the system turned on by operating the cruise control switch?
1. YES: Go to Step 7.
2. NO: Refer to "When the cruise control switch is operated, the system is not turned on." (Refer to INSPECTION PROCEDURE 7: WHEN THE CRUISE CONTROL SWITCH IS OPERATED, THE SYSTEM IS NOT TURNED ON )
STEP 7. Check the data list.
Using scan tool (M.U.T.-III), check the data list of cruise control system (Refer to DATA LIST REFERENCE TABLE ).
- Item 75: CANCEL switch
- Item 92: SET - switch
Q: Is the check result normal?
1. YES: Go to Step 9.
2. NO: Go to Step 8.
STEP 8. Check the cruise control switch.
Refer to CRUISE CONTROL SWITCH CHECK .

Q: Is the check result normal?
1. YES: Replace the engine control module (Refer to ENGINE CONTROL MODULE < 2.4L ENGINE >, ENGINE CONTROL MODULE < 3.0L ENGINE >).
2. NO: Replace the cruise control switch (Refer to RADAR CALIBRATION ).
STEP 9. Check the symptom.
1. Drive the vehicle for approx. three minutes.
Q: Can cruise control be set?
1. YES: It can be assumed that this malfunction is intermittent (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
2. NO: Replace the ACC/FCM-ECU (Refer to ACC/FCM-ECU ).