Toyota 4Runner: Open in Motor LH Circuit (22,24)
DESCRIPTION
When there is an open in the side auto step motor circuit, the side auto step controller ECU assembly does not operate the automatic running board.
|
DTC No. |
Detection Condition |
Trouble Area |
|---|---|---|
|
22 |
Open in the stowing or deploying side of the side auto step motor LH circuit. |
|
|
24 |
Open in the stowing or deploying side of the side auto step motor RH circuit. |
NOTICE:
This DTC is stored when the door is opened or closed, or the Active Test "Power Running Board Forced Retracting" is performed while the connector is disconnected from the side auto step motor assembly.
WIRING DIAGRAM
.png)
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 A42 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 |
|---|---|---|
|
O25-4 (STW1) - A42-3 (STW1) |
Always |
Below 5 Ω |
|
O25-5 (DPL1) - A42-4 (DPL1) |
Always |
Below 5 Ω |
for RH
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N23-4 (STW2) - A42-2 (STW2) |
Always |
Below 5 Ω |
|
N23-5 (DPL2) - A42-1 (DPL1) |
Always |
Below 5 Ω |
| OK | .gif) |
REPLACE SIDE AUTO STEP MOTOR ASSEMBLY |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Short to GND in Hall Effect Sensor Power Circuit (31)
DESCRIPTION
When there is a short to GND in the side auto step motor hall sensor power circuit,
the side auto step controller ECU assembly does not operate the automatic running
board.
...
Short in Motor LH (11,12)
DESCRIPTION
When there is a short in the side auto step motor circuit, the side auto step
controller ECU assembly halts the operation of the automatic running board.
DTC No.
...
Other materials about Toyota 4Runner:
Removal
REMOVAL
PROCEDURE
1. REMOVE JACK BOX HOLE COVER
2. REMOVE REAR QUARTER PANEL MUDGUARD LH
3. REMOVE REAR QUARTER PANEL MUDGUARD RH
HINT:
Use the same procedure as for the LH side.
4. REMOVE REAR BUMPER COVER
5. REMOVE NO. 3 FLOOR WIRE
6. RE ...
Inspection
INSPECTION
PROCEDURE
1. CHECK PAD LINING THICKNESS
(a) Using a ruler, measure the pad lining thickness.
Standard thickness:
10.0 mm (0.394 in.)
Minimum thickness:
1.0 mm (0.0394 in.)
If the pad lining thickness is less than the m ...
0.027