DTC Diagnosis Procedure

1. 1. Ignition switch OFF.
   2. Disconnect head up display unit and ITS switch assembly (head up display switch) connectors.
   3. Check the continuity between head up display unit connector and ground.

      Head up display unit		-	Continuity
      Connector	Terminal
      M452	19	Ground	No

Is the inspection result normal?

YES>>

Replace ITS switch assembly (head up display switch). Refer to Removal and Installation .

NO>>

Repair or replace harness or connector.