DTC B16A6: Turn-signal fuse blown: 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. Fuse check. 

   Check if the turn-signal light fuse is normal.

   Q: Is the check result normal? 

   • YES:  Go to Step 2.
   • NO:  Replace the turn-signal light fuse.
2. STEP 2. 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 the DTC set? 

   • YES:  Replace the ETACS-ECU.
   • NO:  The procedure is complete.
     Fig 1: Connecting Scan Tool To Data Link Connector

     Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.