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 |
Sending Malfunction (Navigation to APGS) (U0073,U0140)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC No.
DTC Detection Condition
Trouble Area
U0073
CAN reception error
CAN communication sys ...
Lost Communication with Gateway Module (U1002)
DESCRIPTION
The main body ECU (multiplex network body ECU) stores this DTC when
no signals can be received from the ECUs that are memorized as those connected
to the CAN MS bus.
When the main body ECU (multiplex network body ECU) receives a ...