CHECK HARNESS BETWEEN HEADLIGHT BEAM LEVELER CONTROL MODULE AND VEHICLE HEIGHT SENSOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from ECM.

3) Check for continuity between headlight beam leveler control module and vehicle height sensor.

Connector & terminal

• Front vehicle height sensor:

(B150) No. 22 — (F8) No. 1:
(B150) No. 20 — (F8) No. 2:
(B150) No. 13 — (F8) No. 3:

• Rear vehicle height sensor:

(B150) No. 21 — (R29) No. 1:
(B150) No. 19 — (R29) No. 2:
(B150) No. 12 — (R29) No. 3:

QUESTION
Is there continuity?
Yes	No
Replace the headlight beam leveler control module.	Repair the open circuit or poor contact of the connector in the harness between the headlight beam leveler control module and vehicle height sensor.