Transfer Control Solenoid: Inspection

WARNING: This page is about a different car, the 2007 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TRANSFER CONTROL SOLENOID

Connect the battery's positive (+) terminal and a bulb of 12 V - 21 W to terminal 1 as shown in the illustration.
Connect the battery's negative (-) terminal to terminal 2 and check if the solenoid operates.
OK: The solenoid operates and operating sound is heard.

Fig 1: Identifying Transfer Control Solenoid
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in the table below.

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
Terminal 1 - Terminal 2	5.0 to 5.6 Ω

If the resistance is not within the specified range, replace the transfer control solenoid.