Inspection Procedure 8: Voice Guide "Unable To Obtain Vehicle Speed - Please Try Again Or Contact Your Dealer For Service" Is Sent From The Speaker < Vehicles With Radio And CD Player >: Diagnosis

WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

Required Special Tools:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicles Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system)

STEP 1. Check the combination meter.
Check whether the speed meter works normally. (Refer to SPEEDOMETER CHECK .)

Q: Is the check result normal?
- YES: Go to Step 2.
- NO: Diagnose the combination meter (Refer to COMBINATION METER - LANCER EVOLUTION ).
STEP 2. 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. Refer to "HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) ."
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 CONTROLLER AREA NETWORK (CAN) - LANCER EVOLUTION ).
  
  Fig 1: Connecting Scan Tool To Data Link Connector
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 3. Using scan tool MB991958, read the radio and CD player diagnostic trouble code.
Check if DTC is set to the radio and CD player.

Q: Is the DTC set?
- YES: Troubleshoot the radio and CD player (Refer to RADIO AND CD PLAYER - LANCER EVOLUTION ).
- NO: Go to Step 4.
STEP 4. 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 5.
- 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 5. Replace the hands free module temporarily, and check the trouble symptom.
Q: Is the check result normal?
- YES: Replace the hands free module.
- NO: Replace the radio and CD player.