DTC C1395: Brake Fluid Filling Not Completed: 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
• MB991970: ABS Check Harness

1. STEP 1. Using scan tool MB991958, diagnose the CAN bus line. 
   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 to the data link connector.
   2. Turn the ignition switch to the "ON" position.
   3. Diagnose the CAN bus line.
   4. Turn the ignition switch to the "LOCK" (OFF) position.

   Q: Is the CAN bus line found to be normal? 

   YES:  Go to  Step 3.

   NO:  Repair the CAN bus line (Refer to CAN BUS DIAGNOSTICS TABLE ). Then go to Step 2.

   Fig 1: Connecting Scan Tool To Data Link Connector

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2. STEP 2. Recheck for diagnostic trouble code. 
   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. Turn the ignition switch to the "ON" position.
   2. Erase the DTC.
   3. Turn the ignition switch to the "LOCK" (OFF) position.
   4. Turn the ignition switch to the "ON" position.
   5. Check if the DTC is set.
   6. Turn the ignition switch to the "LOCK" (OFF) position.

   Q: Is DTC C1395 set? 

   YES:  Go to Step 3.

   NO:  The procedure is complete.

   Fig 2: Connecting Scan Tool To Data Link Connector

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3. STEP 3. Check the brake warning light. 

   Check that the brake warning light illuminates with the parking brake lever pulled up.

   Q: Does the brake warning light illuminate? 

   YES:  Go to Step 4.

   NO:  Replace the hydraulic unit (integrated with ABS-ECU). Then go to  Step 11.

4. STEP 4. Check the brake fluid amount. 

   Q: Is the brake fluid within lower and upper limits? 

   YES:  Go to Step 5.

   NO:  Set the brake fluid within lower and upper limits. Then go to  Step 11.

5. STEP 5. Check the brake warning light. 
   1. Disconnect brake fluid level switch connector B-07 and parking brake switch connector C-18.
   2. Turn the ignition switch to the "ON" position.

   Q: Does the brake warning light illuminate? 

   YES:  Go to Step 6.

   NO:  Check the brake fluid level switch (Refer to BRAKE FLUID LEVEL SWITCH CHECK ) and parking brake switch (Refer to PARKING BRAKE SWITCH CHECK ), and replace them if necessary. Then go to  Step 11.

   Fig 3: Identifying Connector C-18

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6. STEP 6. Measure the resistance at combination meter connector C-101. 
   1. Disconnect the connector C-101
   2. Measure the resistance between terminal 7 and ground. Check that the continuity does not exist.

   Q: Does the continuity exist? 

   YES:  Go to Step 7.

   NO:  Replace the combination meter (integrated with meter ECU). Then go to  Step 11 .

   Fig 4: Measuring Resistance Combination Meter Connector C-101

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7. STEP 7. Check intermediate connector A-13 and C-29, brake fluid level switch connector B-07, joint connector C-01, combination meter connector C-101 and parking brake switch connector C-18 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 
   Fig 5: Identifying Connector A-13

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   Fig 6: Identifying Connector B-07

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   Fig 7: Identifying Connector C-01,C-29,C-101

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   Q: Is intermediate connector A-13 and C-29, brake fluid level switch connector B-07, joint connector C-01, combination meter connector C-101 and parking brake switch connector C-18 damaged? 

   YES:  Repair or replace the damaged component(s). Refer to HARNESS CONNECTOR INSPECTION . Then go to  Step 11.

   NO:  Go to Step 8.

   Fig 8: Identifying Connector C-18

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8. STEP 8. Check the harness wires between joint connector C-01 (terminal 28) and parking brake switch connector C-18 (terminal 1). 

   Q: Is the harness wires between joint connector C-01 (terminal 28) and parking brake switch connector C-18 (terminal 1) damaged? 

   YES:  Repair the wiring harness. Then go to  Step 11.

   NO:  Go to Step 9.

   Fig 9: Identifying Connector C-01

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   Fig 10: Identifying Connector C-18

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9. STEP 9. Check the harness wires between brake fluid level switch connector B-07 (terminal 1) and joint connector C-01 (terminal 27). 

   Q: Is the harness wires between brake fluid level switch connector B-07 (terminal 1) and joint connector C-01 (terminal 27) damaged? 

   YES:  Repair the wiring harness. Then go to  Step 11.

   NO:  Go to Step 10.

   Fig 11: Identifying Connector B-07

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   Fig 12: Identifying Connector C-01

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10. STEP 10. Check the harness wires between joint connector C-01 (terminal 26) and combination meter connector C-101 (terminal 7). 

    Q: Is the harness wires between joint connector C-01 (terminal 26) and combination meter connector C-101 (terminal 7) damaged? 

    YES:  Repair the wiring harness. Then go to Step 11.

    NO:  Go to Step 11.

    Fig 13: Identifying Connector C-01

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    Fig 14: Identifying Connector C-101

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11. STEP 11. Recheck for diagnostic trouble code. 

    Check again if the DTC is set.

    1. Turn the ignition switch to the "ON" position.
    2. Erase the DTC.
    3. Turn the ignition switch to the "LOCK" (OFF) position.
    4. Turn the ignition switch to the "ON" position.
    5. Check if the DTC is set.
    6. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is DTC C1395 set? 

    YES:  Replace the combination meter (integrated with meter ECU). Then go to Step 12 .

    NO:  It can be assumed that this malfunction is intermittent. Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION .

    Fig 15: Connecting Scan Tool To Data Link Connector

    Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
12. STEP 12. Recheck for diagnostic trouble code. 

    Check again if the DTC is set.

    1. Turn the ignition switch to the "ON" position.
    2. Erase the DTC.
    3. Turn the ignition switch to the "LOCK" (OFF) position.
    4. Turn the ignition switch to the "ON" position.
    5. Check if the DTC is set.
    6. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is DTC C1395 set? 

    YES:  Go to  Step 1.

    NO:  The procedure is complete.

    Fig 16: Connecting Special Tool To Data Link Connector

    Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.