Circuit Description

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

The ECM detects the signal from the transfer L4 position switch.

This DTC indicates that the transfer L4 position switch remains on.

DTC TROUBLE DETECTION CHART

DTC No.	DTC Detecting Condition	Trouble Area
P2772	Transfer L4 position switch remains ON while vehicle is running under following conditions for 1.8 seconds or more (1 -trip detection logic) Output shaft speed between 1,000 and 3,000 rpm Transfer shift position is H	Short in transfer L4 position switch circuit Four wheel drive control ECU ECM