On-Vehicle Inspection

WARNING: This page is about a different car, the 2009 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

CHECK STOP LIGHT CONTROL RELAY (BRK NO. 1, BRK NO. 2)

Remove the 2 stop light control relays from the engine room relay block.

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

Fig 1: Identifying Relay

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Resistance

RESISTANCE REFERENCE

Tester Connection	Condition	Specified Condition
3 - 4	When battery voltage is applied to terminals 1 and 2	10 kΩ or higher
3 - 4	When battery voltage is not applied to terminals land 2	Below 1 Ω
3 - 5	When battery voltage is not applied to terminals 1 and 2	10 kΩ or higher
3 - 5	When battery voltage is applied to terminals 1 and 2	Below 1 Ω

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

Install the 2 stop light control relays.