INSPECTION PROCEDURE 1: When power switch is turned "ON," no power is available: Diagnosis

Required Special Tools: 

• MB991223: Harness set
• MB992006: Extra Fine Probe

1. STEP 1. Check to see that the radio and CD player or radio and CD player with CD changer is energized when the power switch is turned ON. 
   1. Turn the ignition switch to "ACC" position.
   2. Turn ON the radio and CD player or radio and CD player with CD changer power switch.

   Q: Is the radio and CD player or radio and CD player with CD changer energized when the power switch is turned ON? 

   YES:  Go to Step  2.

   NO:  Go to Step  5.

2. STEP 2. Check radio and CD player or radio and CD player with CD changer connector C-117 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

   Q: Are radio and CD player or radio and CD player with CD changer connector C-117 in good condition? 

   YES:  Go to Step  3.

   NO:  Repair or replace the component(s). Refer to HARNESS CONNECTOR INSPECTION . If the power switch is turned on, the radio and CD player or radio and CD player with CD changer should operate normally.

   Fig 1: Identifying Connector C-117 Terminals

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
3. STEP 3. Check the wiring harness between radio and CD player or radio and CD player with CD changer connector C-117 (terminal 10) and the ignition switch (ACC). 
   Fig 2: Identifying Connector C-117 Terminals

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   NOTE: Also check intermediate connector C-24 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-24 is damaged, repair or replace it. Refer to HARNESS CONNECTOR INSPECTION .

   Q: Is the wiring harness between radio and CD player or radio and CD player with CD changer connector C-117 (terminal 10) and ignition switch (ACC) in good condition? 

   YES:  Go to Step  4.

   NO:  Repair the wiring harness. If the power switch is turned on, the radio and CD player or radio and CD player with CD changer should operate normally.

   Fig 3: Identifying Connector A-24 Terminals

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
4. STEP 4. Check the installation condition of the radio and CD player or radio and CD player with CD changer. 
   NOTE: The radio and CD player or radio and CD player with CD changer are grounded to the deck crossmember directly.

   Q: Are the radio and CD player or radio and CD player with CD changer installed correctly? 

   YES:  Repair or replace the radio and CD player or radio and CD player with CD changer. If the power switch is turned on, the radio and CD player or radio and CD player with CD changer should operate normally.

   NO:  Install the radio and CD player or radio and CD player with CD changer properly. If the power switch is turned on, the radio and CD player or radio and CD player with CD changer should operate normally.

5. STEP 5. Measure at radio and CD player or radio and CD player with CD changer connector C-117 in order to check the battery circuit of power supply system to the radio and CD player or radio and CD player with CD changer (ignition switch ACC). 
   1. Disconnect radio and CD player or radio and CD player with CD changer connector C-117, and measure at the wiring harness side.
   2. Turn the ignition switch to "ACC" position.
      Fig 4: Identifying Connector C-117 Terminals

      Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   3. Measure the voltage between terminal 10 and ground.
      • The voltage should measure approximately 12 volts (battery positive voltage).

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

   YES:  Go to Step  8.

   NO:  Go to Step  6.

   Fig 5: Measuring Voltage Between Terminal 10 And Ground

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
6. STEP 6. Check radio and CD player or radio and CD player with CD changer connector C-117 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

   Q: Are radio and CD player or radio and CD player with CD changer connector C-117 in good condition? 

   YES:  Go to Step  7.

   NO:  Repair or replace the damaged component(s). Refer to HARNESS CONNECTOR INSPECTION . If the power switch is turned on, the radio and CD player or radio and CD player with CD changer should operate normally.

   Fig 6: Identifying Connector C-117 Terminals

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
7. STEP 7. Check the wiring harness between radio and CD player or radio and CD player with CD changer connector C-117 (terminal 10) and ignition switch (ACC). 
   Fig 7: Identifying Connector C-117 Terminals

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   NOTE: Also check intermediate connector C-24 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-24 is damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .

   Q: Is the wiring harness between radio and CD player or radio and CD player with CD changer connector C-117 (terminal 10) and ignition switch (ACC) in good condition? 

   YES:  There is no action to be taken.

   NO:  Repair the wiring harness. If the power switch is turned on, the radio and CD player or radio and CD player with CD changer should operate normally.

   Fig 8: Identifying Connector A-24 Terminals

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
8. STEP 8. Check the installation condition of the radio and CD player or radio and CD player with CD changer. 
   NOTE: The radio and CD player or radio and CD player with CD changer are grounded to the deck crossmember directly.

   Q: Are the radio and CD player or radio and CD player with CD changer installed correctly? 

   YES:  Replace the radio and CD player or radio and CD player with CD changer. If the power switch is turned on, the radio and CD player or radio and CD player with CD changer should operate normally.

   NO:  Install the radio and CD player or radio and CD player with CD changer properly. If the power switch is turned on, the radio and CD player or radio and CD player with CD changer should operate normally.