DTC 24: Pitch angle abnormality: Diagnosis

Required Special Tools: 

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
  • MB991824: Vehicle 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)

1. STEP 1. Check front height sensor connector A-04 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

   Q: Is the check result normal? 

   YES:  Go to Step 2.

   NO:  Repair the damaged parts.

2. STEP 2. Check front height sensor. 

   Check that the front height sensor is normal (Refer to REAR HEIGHT SENSOR  ).

   Q: Do front height sensor work normal? 

   YES:  Go to Step 3.

   NO:  Replace the front height sensor.

3. STEP 3. Using scan tool MB991958, Check whether the diagnostic trouble code is reset. 
   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.
   1. Connect scan tool MB991958. Refer to "HOW TO CONNECT SCAN TOOL  ".
   2. Turn the ignition switch to the "ON" position.
   3. Erase the DTC.
   4. Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
   5. Check if DTC is set.

   Q: Is DTC 24 set? 

   YES:  Go to Step 4.

   NO:  The procedure is complete.

   Fig 1: Connecting Special Tools To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
4. STEP 4. Check rear height sensor connector D-118 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

   Q: Is rear height sensor connector D-118 in good condition? 

   YES:  Go to Step 5.

   NO:  Repair the damaged parts.

5. STEP 5. check rear height sensor. 

   Check that the rear height sensor is normal (Refer to REAR HEIGHT SENSOR  ).

   Q: Do rear height sensor work normal? 

   YES:  Go to Step 6.

   NO:  Replace the rear height sensor.

6. STEP 6. Using scan tool MB991958, Check whether the diagnostic trouble code is reset. 
   1. Turn the ignition switch to the "ON" position.
   2. Erase the DTC.
   3. Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
   4. Check if DTC is set.

   Q: Is DTC 24 set? 

   YES:  Go to Step 7.

   NO:  The procedure is complete.

7. STEP 7. Check headlight automatic leveling-ECU connector C-110 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

   Q: Is headlight automatic leveling-ECU connector C-110 in good condition? 

   YES:  Go to Step 8.

   NO:  Repair the damaged parts.

8. STEP 8. Using scan tool MB991958, Check whether the diagnostic trouble code is reset. 
   1. Turn the ignition switch to the "ON" position.
   2. Erase the DTC.
   3. Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
   4. Check if DTC is set.

   Q: Is DTC 24 set? 

   YES:  Replace the headlight automatic leveling ECU.

   NO:  The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).