DESCRIPTION
When there is noise present in the side auto step motor hall pulse signal, the side auto step controller ECU assembly halts the operation of the automatic running board.
DTC No. |
Detection Condition |
Trouble Area |
---|---|---|
41 |
The side auto step motor assembly LH hall sensor pulse signal is less than 1.5 ms 3 times in succession. |
|
42 |
The side auto step motor assembly RH hall sensor pulse signal is less than 1.5 ms 3 times in succession. |
WIRING DIAGRAM
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.
(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
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O25-2 (SSR1) - A41-10 (SSR1) |
Always |
Below 1 Ω |
A41-10 (SSR1) - Body ground |
Always |
10 kΩ or higher |
for RH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
N23-2 (SSR2) - A41-9 (SSR2) |
Always |
Below 1 Ω |
A41-9 (SSR2) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE SIDE AUTO STEP MOTOR ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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