On-Vehicle Inspection [08/2017 - ]: Procedure

CHECK STOP LIGHT CONTROL RELAY

Remove the stop light control relays (BRK NO. 1) from the engine room relay block.

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance

FOR BRK NO. 1

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