On-Vehicle Inspection

WARNING: This page is about a different car, the 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT ABS MOTOR1 RELAY

Remove the ABS MOTOR1 relay.
Measure the resistance according to the value(s) in the table below.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
1 - 2	Below 1Ω
3 - 5	10 kΩ or higher (When battery voltage is not applied between terminals)
3 - 5	Below 1Ω (When battery voltage is applied to terminals 1 and 2)

Fig 1: Identifying Terminals ABS Motor1 Relay

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the value is not as specified, replace the ABS MOTOR1 relay.

INSPECT ABS MOTOR2 RELAY

Remove the ABS MOTOR2 relay.
Measure the resistance according to the value(s) in the table below.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
1 - 2	Below 1Ω
3 - 5	10 kΩ or higher (When battery voltage is not applied between terminals)
3 - 5	Below 1Ω (When battery voltage is applied to terminals 1 and 2)

Fig 2: Identifying Terminals ABS Motor2 Relay

If the value is not as specified, replace the ABS MOTOR2 relay.