Meter Illumination is Always Dark [09/2015 - ]: Procedure

1. Check for DTCs. Refer to DTC CHECK / CLEAR [09/2015 - ] ).
   RESULT
   
   

   Result	Proceed to
   DTC is not output	A
   CAN communication system DTC is output	B
   Lighting system DTC (B1244) is output	C

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - 08/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2020 - ] )

Result: 

C 

GO TO LIGHTING SYSTEM 

Refer to PRECAUTION [09/2015 - ] )

Result: 

A 

See step  2

1. Operate the Techstream according to the display and select the Active Test.
   MAIN BODY
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Dimmer Signal	Illumination dimming operation	ON or OFF	-

   OK

   Meter illumination is dimmed when the dimmer switch is on and the Active Test "Dimmer Signal" is ON.

   HINT: 

   Refer to the sensitivity setting in the customization table of the automatic light control system. Refer to CUSTOMIZE PARAMETERS [09/2015 - ] ).

Result: 

OK 

CHECK LIGHTING SETTING 

Refer to PRECAUTION [09/2015 - ] )

Result: 

NG 

See step  3

1. Temporarily replace the combination meter with a new one. Refer to REMOVAL [09/2015 - ] ).

Result: 

NEXT 

See step  4

1. Check that the operation of the combination meter returns to normal. Refer to REMOVAL [09/2015 - ] ).

   OK

   Operation of combination meter returns to normal.

Result: 

OK 

END (COMBINATION METER IS DEFECTIVE) 

Result: 

NG 

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) Removal [09/2015 - ] and Installation [09/2015 - ]