Automatic Running Board System

EXTERIOR PANELS / TRIM: AUTOMATIC RUNNING BOARD SYSTEM: 31: Short to GND in Hall Effect Sensor Power Circuit
31 - Short to GND in Hall Effect Sensor Power Circuit

DESCRIPTION

When there is a short to GND in the side auto step motor hall sensor power circuit, the side auto step controller ECU assembly does not operate the automatic running board.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (SIDE AUTO STEP MOTOR POWER SOURCE)

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

* *1: for LH

* *2: for RH

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





Standard Voltage:

for LH
for RH










Text in Illustration





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

OK -- REPLACE SIDE AUTO STEP MOTOR ASSEMBLY Removal

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

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

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY Removal