Toyota 4Runner: Motor LH Over Temperature (64,65)

Toyota 4Runner Service Manual / Vehicle Exterior / Exterior Panels / Trim / Automatic Running Board System / 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.	Wire harness or connector Side auto step controller ECU assembly
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.

CHECK DTC

(a) Recheck for DTCs and check if the same DTC is output again.

OK:

No DTCs are output.

END

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 ...

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