Home › Brake › Brake Control/Dynamic Control System › BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: RELAY
Last Modified: 11-27-2007 1.6 G
Service Category: Brake Section: Brake Control/Dynamic Control System
Model Year: 2008 Model: LX570 Doc ID: RM00000307I005X
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: RELAY: ON-VEHICLE INSPECTION (2008 LX570)

ON-VEHICLE INSPECTION

1. CHECK BRK LP RELAY

(a) Remove the BRK LP relay from the engine room relay block.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 4

Battery positive (+) voltage applied to terminal 1 and battery negative (-) voltage applied to terminal 2

10 kΩ or higher

Battery positive (+) voltage not applied to terminal 1 and battery negative (-) voltage applied to terminal 2

Below 1 Ω

3 - 5

Battery positive (+) voltage applied to terminal 1 and battery negative (-) voltage applied to terminal 2

Below 1 Ω

Battery positive (+) voltage not applied to terminal 1 and battery negative (-) voltage applied to terminal 2

10 kΩ or higher

If the result is not as specified, replace the relay.

(c) Install the BRK LP relay.