DESCRIPTION
When the side auto step motor current detection sensor inside the side auto step controller ECU assembly detects a current of less than 1 A when the automatic running board is operating, the side auto step controller ECU assembly does not operate the automatic running board.
DTC No. |
Detection Condition |
Trouble Area |
---|---|---|
61 |
When the side auto step motor assembly LH is operating, there is less than 1 A of current detected in the side auto step ECU even when the hall effect pluses are input. |
|
62 |
When the side auto step motor assembly RH is operating, there is less than 1 A of current detected in the side auto step ECU even when the hall effect pluses are input. |
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 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 1 Ω |
O25-5 (DPL1) - A42-4 (DPL1) |
Always |
Below 1 Ω |
for RH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
N23-4 (STW2) - A42-2 (STW2) |
Always |
Below 1 Ω |
N23-5 (DPL2) - A42-1 (DPL1) |
Always |
Below 1 Ω |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
PERFORM COOL DOWN |
(a) Do not operate the automatic running board in order to cool down the side auto step motor assembly.
|
3. |
CHECK DTC |
(a) Recheck for DTCs and check if the same DTC is output again.
OK:
No DTCs are output.
OK | ![]() |
END |
NG | ![]() |
REPLACE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY |
Removal
REMOVAL
CAUTION / NOTICE / HINT
CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
PROCEDURE
1. REMOVE REAR SEAT CUSHION HINGE COVER
(a) Using a moulding remover, detach the 3 claws and remove the cover.
2. REMOVE REAR SE ...
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.
DTC No.
Detection Condition
Trou ...