Main Switch Circuit [11/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power 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 (No. 2 combination 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 (No. 2 combination switch assembly) condition displayed on the Techstream changes with the actual switch operation.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER MIRROR ECU. Refer to  DISASSEMBLY [11/2015 - ] 

Result: 

NG 

See step  2

1. Remove the headup display switch (No. 2 combination switch assembly).

   Refer to REMOVAL [11/2015 - ]

2. Inspect the headup display switch (No. 2 combination switch assembly).

   Refer to INSPECTION [11/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE HEADUP DISPLAY SWITCH (NO. 2 COMBINATION SWITCH ASSEMBLY). Refer to  REMOVAL [11/2015 - ] 

Result: 

OK 

See step  3

1. Disconnect the G7 combination meter mirror ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   (G7)

   (F49)

   (G7)

   (F49)

   Tester Connection	Condition	Specified Condition
   G7-16 (SW1) - F49-3 (ILU)	Always	Below 1 Ω
   G7-11 (E) - F49-10 (E)	Always	Below 1 Ω
   G7-16 (SW1) or F49-3 (ILU) - Body ground	Always	10 kΩ or higher
   G7-11 (E) or F49-10 (E) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER MIRROR ECU. Refer to  DISASSEMBLY [11/2015 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR