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 |
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) Whenever a DTC is stored, the skid control ECU stores the current vehicle
(sensor) state as freeze frame data.
(b) The skid control ECU stores the number of times (maximum: 31) the ignition
switch has been turn ...
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DESCRIPTION
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b ...