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.
DTC No. |
Detection Condition |
Trouble Area |
---|---|---|
43 |
The side auto step motor LH current is normal and there is no side auto step motor assembly LH hall sensor signal. |
|
44 |
The side auto step motor RH current is normal and there is no side auto step motor assembly RH hall sensor signal. |
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 |
---|---|---|
O25-1 (-1) - A41-5 (SSR-) |
Always |
Below 1 Ω |
O25-2 (SSR1) - A41-10 (SSR1) |
Always |
Below 1 Ω |
O25-3 (+1) - A41-14 (SSR+) |
Always |
Below 1 Ω |
A41-10 (SSR1) - Body ground |
Always |
10 kΩ or higher |
for RH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
N23-1 (-2) - A41-5 (SSR-) |
Always |
Below 1 Ω |
N23-2 (SSR2) - A41-9 (SSR2) |
Always |
Below 1 Ω |
N23-3 (+2) - A41-14 (SSR+) |
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 |
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ign ...
Panel Switches do not Function
PROCEDURE
1.
CHECK PANEL SWITCH
(a) Check for foreign matter around the switches that might prevent operation.
OK:
No foreign matter is found.
NG
REMOVE ANY FOREIGN MATTER FOUND
...