Toyota 4Runner: ECU Circuit (61)

Toyota 4Runner Service Manual / Vehicle Exterior / Exterior Panels / Trim / Automatic Running Board System / ECU Circuit (61)

DESCRIPTION

When the internal circuit of the side auto step controller ECU assembly malfunctions, the side auto step controller ECU assembly halts the operation of the system.

DTC No.	DTC Detection Condition	Trouble Area
61	Side auto step controller ECU assembly internal circuit malfunction	Side auto step controller ECU assembly

PROCEDURE

1.	REPLACE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY

(a) Replace the side auto step controller ECU assembly with a new one (See page ).

END

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 ...

Hall Effect Sensor LH (43,44)

DESCRIPTION When the automatic running board is operating and the current in the side auto step motor is within standard parameters, the side auto step controller ECU assembly halts the operation ...

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