Toyota 4Runner: Motor LH Over Temperature (64,65)
DESCRIPTION
When the side auto step controller ECU assembly detects the overheating in the system, it stops the operation of the automatic running board.
|
DTC No. |
Detection Condition |
Trouble Area |
|---|---|---|
|
64 |
The side auto step motor assembly LH high temperature sensor circuit in the side auto step ECU functions. |
|
|
65 |
The side auto step motor assembly RH high temperature sensor circuit in the side auto step ECU functions. |
PROCEDURE
|
1. |
PERFORM COOL DOWN |
(a) Do not operate the automatic running board in order to cool down the side auto step controller ECU assembly and side auto step motor assembly.
|
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|
2. |
CHECK DTC |
(a) Recheck for DTCs and check if the same DTC is output again.
OK:
No DTCs are output.
| OK | .gif) |
END |
| NG | |
REPLACE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
DTC Code
Detection Item
See page
11
Short in Motor LH
12
Short in M ...
Motor LH Current Senser (62,63)
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 operati ...
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