RM35X0E _59 Vehicle Exterior _079256 LIGHTING (EXT) _0396321 LIGHTING SYSTEM(w/ Headlight ECU) C

LIGHTING (EXT) LIGHTING SYSTEM(w/ Headlight ECU) U0073 Control Module Communication Bus OFF U0126 Lost Communication with Steering Angle Sensor Module U0142 Lost Communication with Body Control Module "B" U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module U0182 Lost Communication With Lighting Control Module Front

DESCRIPTION

These DTCs are stored if a CAN communication malfunction occurs between the headlight ECU sub-assembly RH and other ECUs.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from	Note
U0073	Control Module Communication Bus OFF	The headlight ECU sub-assembly RH does not send/receive data.	· CAN communication system · Headlight ECU sub-assembly RH	HL AutoLeveling (Sub)	-
U0126	Lost Communication with Steering Angle Sensor Module	The headlight ECU sub-assembly RH does not receive data from the steering sensor for approximately 10 seconds or more.	· CAN communication system · Steering sensor · Headlight ECU sub-assembly RH	HL AutoLeveling (Sub)	-
U0142	Lost Communication with Body Control Module "B"	The headlight ECU sub-assembly RH does not receive data from the main body ECU (multiplex network body ECU) for approximately 10 seconds or more.	· CAN communication system · Main body ECU (multiplex network body ECU) · Headlight ECU sub-assembly RH	HL AutoLeveling (Sub)	-
U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The headlight ECU sub-assembly RH does not receive data from the combination meter assembly circuit plate for approximately 10 seconds or more.	· CAN communication system · Combination meter assembly · Headlight ECU sub-assembly RH	HL AutoLeveling (Sub)	-
U0182	Lost Communication With Lighting Control Module Front	The headlight ECU sub-assembly RH does not receive data from the headlight ECU sub-assembly LH for approximately 10 seconds or more.	· CAN communication system · Headlight ECU sub-assembly LH · Headlight ECU sub-assembly RH	HL AutoLeveling (Sub)	-

PROCEDURE

1.CLEAR DTC

Connect the GTS to the DLC3.

Turn the engine switch on (IG).

Turn the GTS on.

Enter the following menus: Body Electrical / HL AutoLeveling (Sub) / Clear DTCs.

Clear the DTCs.

Body Electrical > HL AutoLeveling (Sub) > Clear DTCs: 50002 414

Result:

Proceed to
NEXT

2.CHECK FOR DTC

Connect the GTS to the DLC3.

Turn the engine switch on (IG).

Wait 10 seconds or more.

Turn the GTS on.

Enter the following menus: Body Electrical / HL AutoLeveling (Sub) / Trouble Codes.

Check for DTCs.

Body Electrical > HL AutoLeveling (Sub) > Trouble Codes: 50001 414

OK:: DTCs U0073, U0126, U0142, U0155 and U0182 are not output.

Result:

Proceed to
OK
NG

USE SIMULATION METHOD TO CHECK

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GO TO CAN COMMUNICATION SYSTEM

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