Inspection Procedure 11: Menu operation is possible during driving.


caution Before replacing the multivision display, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM


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.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE

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.

Q. Is the check result normal?
Go to Step 4.
Go to Step 2.

STEP 2. Check the speedometer.
Check whether the speedometer works normally.

Q. Is the check result normal?
Go to Step 3.
Diagnose the combination meter.

STEP 3. Check of power supply, short to earth and open circuit in SPD line between combination meter connector and smartphone link display audio connector.

Q. 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.

Q. Is the check result normal?
The procedure is complete.
Return to Step 2.