INSPECTION PROCEDURE 9: Fuel gauge does not work (other meters work): Diagnosis

Required Special Tools: 

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
  • MB991824: V. C. I.
  • MB991827: M.U.T.-III USB Cable
  • MB991910: M.U.T.-III Main Harness A
• MB991223: Harness Set
• MB992006: Extra Fine Probe

1. STEP 1. Using scan tool MB991958, read the meter system diagnostic trouble code. 

   Check if an meter system diagnostic trouble code B1201 is set.

   1. Turn the ignition switch "ON" position.
   2. Read the diagnostic trouble code.
   3. Turn the ignition switch to the "LOCK" (OFF) position.

   Q: Is the DTC B1201 set? 

   1. YES  : Diagnose the meter system. Refer to DIAGNOSTIC TROUBLE CODE CHART .
   2. NO  : Go to Step 2.
   Fig 1: Connecting Special Tool MB991910 To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. STEP 2. Using scan tool MB991958, check actuator test. 

1. Turn the ignition switch to the "ON" position.
2. Set scan tool MB991958 to the actuator test mode.
   • Item 11: fuel gauge (Target): 0%
     • Fuel gauge shows 0 %
   • Item 8D: fuel gauge (Target): 50%
     • Fuel gauge shows 50 %
   • Item 8E: fuel gauge (Target): 100%
     • Fuel gauge shows 100 %
3. Turn the ignition switch to the "LOCK" (OFF) position.

Q: Is the check result normal? 

1. YES  : An intermittent malfunction is suspected. Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION .
2. NO  : Replace the combination meter.

Fig 2: Connecting Special Tool MB991910 To Data Link Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.