On-Vehicle Inspection

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT STARTER RELAY ASSEMBLY

Using an ohmmeter, measure the resistance between each terminal.

Standard resistance

RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
3 - 5	10 kΩ or higher
3 - 5	Below 1 Ω (when battery voltage is applied to terminals 1 and 2)

Fig 1: Identifying Starter Relay Connector Terminals

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