Diagnosis Procedure

1. Ignition switch OFF.
2. Check that the following fuse is not blown (open):

   Unit	Power source	Fuse No.	Capacity
   Head up display unit	Ignition switch ON	21	5 A

Is the fuse blown (open)?

YES

Replace fuse after repairing the applicable circuit.

NO

GO TO 2.

1. Ignition switch ON.
2. Check the voltage between head up display unit connector and ground.

   (+)		(-)	Voltage (Approx.)
   Head up display unit
   Connector	Terminal
   M452	13	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

NO

Perform trouble diagnosis of ignition power supply circuit.

1. Ignition switch OFF.
2. Check the continuity between head up display unit and ground.

   Head up display unit		--	Continuity
   Connector	Terminal
   M452	24	Ground	Yes

Is the inspection result normal?

YES

Inspection End.

NO

Repair or replace malfunctioning parts.