INSPECTION PROCEDURE 1: Power of radio and CD player does not turn ON when the ignition switch is in the "ACC" position or "ON" position.: Diagnosis
Required Special Tool:
- MB991223: Harness set
- STEP 1. Check to see that the power turns ON when the power switch is turned ON.
- Turn the ignition switch to "ACC" position.
- Turn ON the radio and CD player power switch.
Q: Is it possible to put the radio and CD player power in the "ON" position?
- YES : Go to Step 2.
- NO : Go to Step 5.
- STEP 2. Check radio and CD player connector C-102 for damage.
Q: Are radio and CD player connector C-102 in good condition?
- YES : Go to Step 3.
- NO : Repair or replace the connector. Refer to HARNESS CONNECTOR INSPECTION . If the power switch is turned on, the radio and CD player should operate normally.
- STEP 3. Check the wiring harness between radio and CD player connector C-102 (terminal 11) and battery.
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
NOTE: After inspecting intermediate connector C-116 and joint connector (3) C-02, inspect the wire. If intermediate connector C-116 or joint connector (3) C-02 are damaged, repair or replace it. Refer to HARNESS CONNECTOR INSPECTION .Q: Are the wiring harness between radio and CD player connector C-102 (terminal 11) and battery 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 should operate normally.
- STEP 4. Check the assembling state of the radio and CD player. NOTE: The radio and CD player are grounded to the instrument panel center reinforcement directly.
Q: Are the radio and CD player installed correctly?
- YES : Repair or replace the radio and CD player. If the power switch is turned on, the radio and CD player should operate normally.
- NO : Install properly. If the power switch is turned on, the radio and CD player should operate normally.
- STEP 5. Measure at radio and CD player connector C-102 in order to check the battery circuit of power supply system to the radio and CD player (ignition switch ACC).
- Disconnect radio and CD player connector C-102, and measure at the wiring harness side.
- Turn the ignition switch to "ACC" position.
- Measure the voltage between terminal 10 and ground by backprobing.
- The measured value should be approximately 12 volts (battery positive voltage).
Q: Does the measured voltage correspond with this range?
- YES : Go to Step 8.
- NO : Go to Step 6.
- STEP 6. Check radio and CD player connector C-102 for damage.
Q: Are radio and CD player connector C-102 in good condition?
- YES : Go to Step 7.
- NO : Repair or replace the connector. Refer to HARNESS CONNECTOR INSPECTION . If the power switch is turned on, the radio and CD player should operate normally.
- STEP 7. Check the wiring harness between radio and CD player connector C-102 (terminal 10) and ignition switch (ACC).
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
NOTE: Also check intermediate connector C-116. If intermediate connector C-116 is damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .Q: Are the wiring harness between radio and CD player connector C-102 (terminal 4) 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 should operate normally.
- STEP 8. Check the assembling state of the radio and CD player. NOTE: The radio and CD player are grounded to the instrument panel center reinforcement directly.
Q: Are the radio and CD player installed correctly?
- YES : Repair or replace the radio and CD player. If the power switch is turned on, the radio and CD player should operate normally.
- NO : Install properly. If the power switch is turned on, the radio and CD player should operate normally.