Toyota 4Runner: Hall Effect Sensor LH Pulse (41,42)
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
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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
|
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 | .gif) |
REPLACE SIDE AUTO STEP MOTOR ASSEMBLY |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Side Auto Step LH Stowing Timeout (51-56)
DESCRIPTION
When fully deploying or stowing the automatic running board takes more than 4
seconds, or when the side auto step motor hall sensor pulse signal exceeds the maximum
pulse count, the s ...
Short to Battery in Hall Effect Sensor Power Circuit (32)
DESCRIPTION
When there is a short to battery in the side auto step motor hall sensor power
circuit, the side auto step controller ECU assembly will not operate the automatic
running board.
...
Other materials about Toyota 4Runner:
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FOG LIGHT COVER LH
(a) Attach the 5 claws to install the fog light cover LH.
(b) Install the outside moulding retainer.
2. INSTALL FOG LIGHT COVER RH
HINT:
Use the same procedure as for the LH side.
3. INSTALL FOG LIGHT ...
Rear Power Window LH does not Operate with Rear Power Window Switch LH
DESCRIPTION
If the manual up/down function does not operate, there may be a malfunction
in the rear power window regulator switch, rear power window regulator motor,
harness or connector.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE ...
0.027