Inspection Procedure 2: The USB Adapter Data Cannot Be Replayed < Vehicles With Radio And CD Player >: Diagnosis

WARNING: This page is about a different variant/trim than selected.

Required Special Tools:

MB991223: Harness Set
MB992006: Extra Fine Probe

STEP 1. Check the radio and CD player operation.
Check if the radio and CD player work normally and the sound is output.

Q: Is the check result normal?
- YES: Go to Step 2.
- NO: Troubleshoot the radio and CD player (Refer to RADIO AND CD PLAYER - LANCER EVOLUTION ).
STEP 2. Check the diagnosis mode
Check if the hands free module can be switched to the diagnosis mode. (Refer to DIAGNOSIS MODE < VEHICLES WITH RADIO AND CD PLAYER > .)

Q: Is the check result normal?
- YES: Go to Step 3.
- NO: Perform Inspection Procedure 5 "DIAGNOSIS MODE cannot be made an entry." (Refer to INSPECTION PROCEDURE 5: DIAGNOSIS MODE CANNOT BE MADE AN ENTRY. < VEHICLES WITH RADIO AND CD PLAYER > .)
STEP 3. Check the USB adapter.
Check that the continuity exists between the front side terminals of USB adapter and rear side terminals of USB adapter. (Refer to USB ADAPTER INSPECTION )

Q: Is the check result normal?
- YES: Go to Step 4.
- NO: Replace the USB adapter.
STEP 4. Check the USB cable.
Check that the USB cable is connected to the USB adapter or hands free module normally. Or check the USB cable for damage such as bend.

Q: Is the check result normal?
- YES: Go to Step 5.
- NO: Replace or repair the USB cable.
STEP 5. Check hands free module connector C-11 and radio and CD player C-109 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are hands free module connector C-11 and radio and CD player C-109 in good condition?
- YES: Go to Step 6.
- NO: Repair or replace the damaged component(s). Refer to HARNESS CONNECTOR INSPECTION .
STEP 6. Check the wiring harness between hands free module connector C-11 (terminal 22, 8) and radio and CD player connector C-109 (terminal 3, 12).
- Check the signal lines for open circuit and short circuit.
Q: Is the wiring harness between hands free module connector C-11 (terminal 22, 8) and radio and CD player C-109 (terminal 3, 12) in good condition?
- YES: Go to Step 7.
- NO: The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the connector. Repair the wiring harness as necessary.
STEP 7. Replace the hands free module temporarily, and check the trouble symptom.
Replace the hands free module temporarily, and check that the sound is output from the speaker.

Q: Is the check result normal?
- YES: Replace the hands free module.
- NO: Replace the radio and CD player.