INSPECTION PROCEDURE 5: Combination Meter does not Work.: Diagnosis

Required Special Tools: 

• MB991223: Harness Set

1. STEP 1. Measure at combination meter connector D-03 in order to check the battery circuit of power supply system to the combination meter. 
   1. Disconnect combination meter connector D-03, and measure at the wiring harness side.
      Fig 1: Disconnecting Combination Meter Connector D-03

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   2. Measure the voltage between terminal 67 and ground.
      • The voltage should equal approximately 12 volts (battery positive voltage).

   Q: Is the measured voltage approximately 12 volts (battery positive voltage)? 

   1. YES:  Go to  Step 4.
   2. NO:  Go to Step 2.
   Fig 2: Measuring Voltage Between Terminal 67 And Ground

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2. STEP 2. Check combination meter connector D-03 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

   Q: Is combination meter connector D-03 in good condition? 

   1. YES:  Go to Step 3.
   2. NO:  Repair or replace the damaged component(s). Refer to HARNESS CONNECTOR INSPECTION . Check to see that all meters operate.
   Fig 3: Locating Combination Meter Connector D-03

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3. STEP 3. Check the wiring harness between combination meter connector D-03 (terminal 67) and the battery. 
   Fig 4: Locating Combination Meter Connector D-03 And D-28

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   NOTE: Also check intermediate connector D-28, junction block connector D-217 and D-221. If intermediate connector D-28, junction block connector D-217 and D-221 is damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .

   Q: Is the wiring harness between combination meter connector D-03 (terminal 67) and the battery in good condition? 

   1. YES:  There is no action to be taken.
   2. NO:  Repair the wiring harness. Check to see that all meters operate.
   Fig 5: Locating Junction Block Connector D-217 And D-221

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4. STEP 4. Measure at combination meter connector D-03 in order to check the ignition switch (IG1) circuit of power supply system to the combination meter. 
   1. Disconnect combination meter connector D-03, and measure at the wiring harness side.
   2. Turn the ignition switch to "ON" position.
      Fig 6: Locating Combination Meter Connector D-03

      Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   3. Measure the voltage between terminal 62 and ground.
      • The voltage should equal approximately 12 volts (battery positive voltage).

   Q: Is the measured voltage approximately 12 volts (battery positive voltage)? 

   1. YES:  Go to  Step 7.
   2. NO:  Go to Step 5.
   Fig 7: Measuring Voltage Between Terminal 62 And Ground

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5. STEP 5. Check combination meter connector D-03 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

   Q: Is combination meter connector D-03 in good condition? 

   1. YES:  Go to Step 6.
   2. NO:  Repair or replace the damaged component(s). Refer to HARNESS CONNECTOR INSPECTION . Check to see that all meters operate.
   Fig 8: Locating Combination Meter Connector D-03

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
6. STEP 6. Check the wiring harness between combination meter connector D-03 (terminal 62) and ignition switch (IG1). 
   Fig 9: Locating Combination Meter Connector D-03

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   NOTE: Also check junction block connectors D-208 and D-210. If junction block connector D-208 or D-210 is damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .

   Q: Is the wiring harness between combination meter connector D-03 (terminal 62) and ignition switch (IG1) in good condition? 

   1. YES:  There is no action to be taken.
   2. NO:  Repair the wiring harness. Check to see that all meters operate.
   Fig 10: Locating Check Junction Block Connectors D-208 And D-210

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7. STEP 7. Measure at combination meter connector D-32 in order to check the ground circuit to the combination meter. 
   1. Disconnect combination meter connector D-32, and measure at the wiring harness side.
      Fig 11: Disconnecting Combination Meter Connector D-32

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   2. Measure the resistance between terminal 25 and ground.
      • The resistance should equal 2 ohms or less.
   3. Measure the resistance between terminal 11 and ground.
      • The resistance should equal 2 ohms or less.

   Q: Is the measured voltage approximately 12 volts (battery positive voltage)? 

   1. YES:  Repair the combination meter. Check to see that all meters operate.
   2. NO:  Go to Step 8.
   Fig 12: Measuring Resistance Between Terminal 11 And Ground

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8. STEP 8. Check combination meter connector D-32 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

   Q: Is combination meter connector D-32 in good condition? 

   1. YES:  Go to Step 9.
   2. NO:  Repair or replace the damaged component(s). Refer to HARNESS CONNECTOR INSPECTION . Check to see that all meters operate.
   Fig 13: Locating Combination Meter Connector D-32

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
9. STEP 9. Check the wiring harness between combination meter connector D-32 (terminal 25 and 11) and ground. 

   Q: Is the wiring harness between combination meter connector D-32 (terminal 25 and 11) and ground in good condition? 

   1. YES:  There is no action to be taken.
   2. NO:  Repair the wiring harness. Check to see that all meters operate.
   Fig 14: Locating Combination Meter Connector D-32

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.