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

1. Check for DTC (Refer to DIAGNOSIS SYSTEM [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

B 

Go to CAN COMMUNICATION SYSTEM 

(Refer to PRECAUTION [09/2015 - ] )

Result:  C

C 

Go to LIGHTING SYSTEM 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - ] )

Result:  A

A 

See step  2

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

   Tester Display	Test Part	Control Range	Diagnostic Note
   Dimmer signal	Dimmer switch	ON or OFF	-

   OK

   Meter illumination is dimmed when the dimmer switch 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

OK 

CHECK LIGHTING SETTING 

(Refer to CUSTOMIZE PARAMETERS [09/2015 - ] )

Result:  NG

NG 

See step  3

1. Temporarily replace the No. 1 meter ECU with a new one (Refer to DISASSEMBLY [09/2015 - ] ).

Result:  NEXT

NEXT 

See step  4

1. Check that the operation of the No. 1 meter ECU returns to normal (Refer to DISASSEMBLY [09/2015 - ] ).

   OK

   Operation of No. 1 meter ECU returns to normal.

Result:  OK

OK 

END (NO. 1 METER ECU IS DEFECTIVE) 

Result:  NG

NG 

REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)