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Inspection Procedure 10: Menu operation is possible during driving.
 
 
cautionBefore replacing the multivision display, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
 
 
TECHNICAL DESCRIPTION (COMMENT)
There is a failure in the wiring harness between the vehicle speed sensor and the multivision display, the respective connector(s), the vehicle speed sensor or the multivision display.
 
 
TROUBLESHOOTING HINTS
  • The vehicle speed sensor may be defective
  • The multivision display may be defective
  • The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
 
 
DIAGNOSIS
Required Special Tools:
  • MB991223: Harness Set
  • MB992006: Extra Fine Probe
STEP 1. Check the service data for multivision display.
Using the multivision display diagnosis mode, check if the "Vehicle Signal Info" (Refer to ).
  • Perform "Vehicle Signal Info", and then check the status of the vehicle speed signal.
Is the check result normal?
Go to Step 4.
Go to Step 2.
 
STEP 2. Check the speedometer.
Check whether the speedometer works normally.
Is the check result normal?
Go to Step 3.
Diagnose the combination meter (Refer to ).
 
STEP 3. Check of power supply, short to ground and open circuit in REED line between combination meter connector and multivision display connector.
Is the check result normal?
Go to Step 4.
Repair the connector(s) or wiring harness.
 
STEP 4. Substitute a known good multivision display, and check the trouble system.
Check that no menus are active during driving.
Is the check result normal?
The procedure is complete.
Return to Step 2.