Automatic Running Board System

EXTERIOR PANELS / TRIM: AUTOMATIC RUNNING BOARD SYSTEM: 43,44: Hall Effect Sensor LH
44 - Hall Effect Sensor RH

DESCRIPTION

When the automatic running board is operating and the current in the side auto step motor is within standard parameters, the side auto step controller ECU assembly halts the operation of the automatic running board if it does not receive a side auto step motor hall sensor signal.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (SIDE AUTO STEP MOTOR - SIDE AUTO STEP CONTROLLER ECU)

(a) Disconnect the O25*1 or N23*2 side auto step motor assembly connector.

* *1: for LH

* *2: for RH

(b) Disconnect the A41 side auto step controller ECU assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

for LH
for RH










NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE SIDE AUTO STEP MOTOR ASSEMBLY