Main Switch Circuit [09/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Head Up Display / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Head Up Display > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Main Switch	Headup display switch assembly	OFF or ON	OFF: Switch released ON: Switch pushed	-

   Body Electrical > Head Up Display > Data List 

   Tester Display
   Main Switch

   OK

   Headup display switch assembly condition displayed on the Techstream changes with the actual switch operation.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY). Refer to  REMOVAL [09/2015 - 08/2016]  , or refer to  REMOVAL [08/2016 - 08/2019]  , or refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

See step  2

1. Remove the integration control and panel assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the integration control and panel assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE INTEGRATION CONTROL AND PANEL ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

Result: 

OK 

See step  3

1. Disconnect the K1 headup display (meter mirror sub-assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K1-16 (SW1) - J83-5 (ILU)	Always	Below 1 Ω
   K1-15 (E) - J83-15 (CH)	Always	Below 1 Ω
   K1-16 (SW1) or J83-5 (ILU) - Body ground	Always	10 kΩ or higher
   K1-15 (E) or J83-15 (CH) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY). Refer to  REMOVAL [09/2015 - 08/2016]  , or refer to  REMOVAL [08/2016 - 08/2019]  , or refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR