DESCRIPTION
When there is a short to battery in the side auto step motor circuit, the side auto step controller ECU assembly will not operate the automatic running board.
DTC No. |
Detection Condition |
Trouble Area |
---|---|---|
25 |
Short to battery in the stowing or deploying side of the side auto step motor LH circuit when the automatic running board is not in operation. |
|
26 |
Short to battery in the stowing or deploying side of the side auto step motor RH circuit when the automatic running board is not in operation. |
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 A42 side auto step controller ECU assembly connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
for LH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-3 (STW1) - Body ground |
When the automatic running board LH is not in operation. |
Below 1 V |
A42-4 (DPL1) - Body ground |
When the automatic running board LH is not in operation. |
Below 1 V |
for RH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-2 (STW2) - Body ground |
When the automatic running board RH is not in operation. |
Below 1 V |
A42-1 (DPL2) - Body ground |
When the automatic running board RH is not in operation. |
Below 1 V |
OK | ![]() |
REPLACE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Back-up Power Source Circuit
DESCRIPTION
The back-up power source circuit for the air conditioning amplifier assembly
is shown below. Power is supplied even after the ignition switch is turned off and
is used for diagnostic trouble code memory, etc.
WIRING DIAGRAM
CAUTION / NOTIC ...
Lost Communication with Front Airbag Sensor LH (B1617/84,B1618/84)
DESCRIPTION
The front airbag sensor LH circuit consists of the center airbag sensor and front
airbag sensor LH.
The front airbag sensor LH detects impacts to the vehicle and sends signals to
the center airbag sensor to determine if the airbag should be d ...