RM35X0E _58 Vehicle Interior _078337 METER / GAUGE / DISPLAY _0379907 METER / GAUGE SYSTEM J

METER / GAUGE / DISPLAY METER / GAUGE SYSTEM Meter Illumination is Always Dark

DESCRIPTION

The combination meter assembly receives signals from this circuit to adjust the illumination of the combination meter assembly.

WIRING DIAGRAM

E407708E01

4.667,1.583 6.542,1.917 1.875,0.333 10 false Combination Meter Assembly 0.698,2.26 2.781,2.563 2.083,0.302 10 false : CAN Communication Line 1.073,1.604 2.719,2.042 1.646,0.438 10 false Main Body ECU (Multiplex Network Body ECU)

CAUTION / NOTICE / HINT

NOTICE:: When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

HINT:: ·

The meter illumination dims when the taillights are turned on.

·

The automatic light control sensor sensitivity can be customized. (w/ Automatic Light Control System)

w/ Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/ Headlight ECU)>CUSTOMIZE PARAMETERS201906,202006,_59,_079256,_0396321,RM100000001IGX7,202006,202310,_59,_079256,_0396321,RM100000001P05T,202310,999999,_59,_079256,_0396321,RM100000002G3L5,

w/o Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/o Headlight ECU)>CUSTOMIZE PARAMETERS201902,202006,_59,_079256,_0384398,RM100000001GS87,202006,202310,_59,_079256,_0384398,RM100000001P05M,202310,999999,_59,_079256,_0384398,RM100000002G3KT,

·

If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.*

*: w/ Entry and Start System

PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

a.

Check if CAN communication DTCs are output.

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>DIAGNOSIS SYSTEM201906,202005,_57,_078518,_0381088,RM100000001IUWS,202005,202107,_57,_078518,_0381088,RM100000001M0XB,202107,202208,_57,_078518,_0381088,RM100000001X4LL,202208,202310,_57,_078518,_0381088,RM10000000257V5,202310,999999,_57,_078518,_0381088,RM100000002G45R,

Result:

Result	Proceed to
CAN communication DTCs are not output.	A
CAN communication DTCs are output.	B

A

2.CHECK FOR DTC (LIGHTING SYSTEM)

B

GO TO CAN COMMUNICATION SYSTEM

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING201906,202310,_57,_078518,_0381088,RM100000001WPQJ,202310,999999,_57,_078518,_0381088,RM100000002G45P,

2.CHECK FOR DTC (LIGHTING SYSTEM)

a.

Check if lighting system DTCs are output.

w/ Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/ Headlight ECU)>DTC CHECK / CLEAR201906,999999,_59,_079256,_0396321,RM100000001IGXB,

w/o Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/o Headlight ECU)>DTC CHECK / CLEAR201902,999999,_59,_079256,_0384398,RM100000001GS8A,

Body Electrical > Main Body > Trouble Codes: 50001 123

OK:: DTC B1244 is not output.

Result:

Proceed to
OK
NG

OK

3.CHECK COMBINATION METER ASSEMBLY

NG

GO TO DTC B1244

w/ Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/ Headlight ECU)>B1244201906,999999,_59,_079256,_0396321,RM100000001IGXG,B1244

w/o Headlight ECU: Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/o Headlight ECU)>B1244201902,999999,_59,_079256,_0384398,RM100000001GS8F,B1244

3.CHECK COMBINATION METER ASSEMBLY

a.

Replace the combination meter assembly with a new one.

Click hereVehicle Interior>METER / GAUGE / DISPLAY>COMBINATION METER>REMOVAL201906,999999,_58,_078337,_0380006,RM100000001IHHE,

b.

Check the operation.

OK:: The operation of the combination meter assembly returns to normal.

Result:

Proceed to
OK
NG

OK

END (COMBINATION METER ASSEMBLY IS DEFECTIVE)

NG

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

for LHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL201906,202310,_57,_079061,_0383489,RM100000001IVKI,202310,999999,_57,_079061,_0383489,RM100000002EQ22,

for RHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL201906,202310,_57,_079061,_0383490,RM100000001IVRX,202310,999999,_57,_079061,_0383490,RM100000002EQ24,