Meter Illumination is Always Dark: Procedure
- CHECK CAN COMMUNICATION SYSTEM
- Check for the DTC. Refer to DTC CHECK/CLEAR
.RESULT
Result Proceed to DTC is not output A CAN communication system DTC is output B Lighting system DTC (B1244) is output C
B → See step 5
C → See step 6
A: Go to next step
- Check for the DTC. Refer to DTC CHECK/CLEAR
.
- PERFORM ACTIVE TEST USING TECHSTREAM (DIMMER SWITCH)
- Operate the Techstream according to the display and select "Active Test".
OK
Meter illumination is dimmed when the dimmer switch is ON.
MAIN BODY:Tester Display Test Part Control Range Dimmer signal Dimmer switch ON or OFF HINT:
Refer to the sensitivity setting in the customization table of the automatic light control system. Refer to CUSTOMIZE PARAMETERS .
NG → See step 3
OK → See step 7
- Operate the Techstream according to the display and select "Active Test".
- REPLACE NO. 1 METER ECU
- Temporarily replace the No. 1 meter ECU with a new one. Refer to DISASSEMBLY .
NEXT: Go to next step
- CHECK NO. 1 METER ECU
- Check that the operation of the No. 1 meter ECU returns to normal. Refer to OPERATION CHECK
.
OK
Operation of combination meter returns to normal.
NG → REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)
OK → END (NO. 1 METER ECU IS DEFECTIVE)
- Check that the operation of the No. 1 meter ECU returns to normal. Refer to OPERATION CHECK
.
- Go to CAN COMMUNICATION SYSTEM. Refer to PRECAUTION
- Go to LIGHTING SYSTEM. Refer to DIAGNOSTIC TROUBLE CODE TABLE
- CHECK LIGHTING SETTING. Refer to CUSTOMIZE PARAMETERS