Automatic Running Board System

EXTERIOR PANELS / TRIM: AUTOMATIC RUNNING BOARD SYSTEM: 25,26: Short to Battery in Motor RH Circuit
26 - Short to Battery in Motor LH Circuit

DESCRIPTION

When there is a short to battery in the side auto step motor circuit, the side auto step controller ECU assembly will not operate the automatic running board.





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 A42 side auto step controller ECU assembly connector.

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

Standard Voltage:

for LH
for RH










NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY Removal