Front Speed Sensor: Inspection

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT FRONT SPEED SENSOR

Make sure that there is no looseness at the connectors' locking part and connecting part of connector.

Fig 1: Locating Speed Sensor Front Bolt
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the speed sensor connector.

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

Resistance:

RESISTANCE REFERENCE

Tester Connection	Specified Condition
S2-2 (FL+) - S2-1 (FL-)	0.6 to 2.5 kΩ

RESISTANCE REFERENCE

Tester Connection	Specified Condition
S3-2 (FR+) - S3-1 (FR-)	0.6 to 2.5 kΩ

Fig 2: Identifying Front Speed Sensor Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Resistance:

RESISTANCE REFERENCE

Tester Connection	Specified Condition
S2-2 (FL+) - Body ground	10 kΩ or higher
S2-1 (FL-) - Body ground	10 kΩ or higher

RESISTANCE REFERENCE

Tester Connection	Specified Condition
S3-2 (FR+) - Body ground	10 kΩ or higher
S3-1 (FR-) - Body ground	10 kΩ or higher

NOTE: Check the speed sensor signal after replacement (See TEST MODE PROCEDURE ).