Code No.U1532: LIN comm. lighting control sensor <Vehicles with auto lamp>

note

When the diagnosis codes relating to the LIN communication error are set, make sure of the vehicle equipment. When the vehicle is not equipped with the system the ETACS-ECU communicates to, the diagnosis code is always set. This is not abnormal.

COMMENTS ON TROUBLE SYMPTOM

PROBABLE CAUSES

Malfunction of the lighting control sensor

DIAGNOSIS PROCEDURE

Check whether the diagnosis code is reset.

Check again if the diagnosis code is set to the ETACS-ECU.

(1)Erase the diagnosis code.

(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.

(3)Check if diagnosis code is set.

Q. Is the diagnosis code set?

	Replace the lighting control sensor.

	A poor connection, open circuit or other intermittent malfunction is present in the LIN bus lines between the lighting control sensor and the ETACS-ECU (Refer to GROUP 00, How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).