Toyota 4Runner: Relay

Toyota 4Runner Service Manual / Brake / Brake Control / Dynamic Control Systems / Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK STOP LIGHT CONTROL RELAY

(a) Remove the stop light control 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 not applied to terminal 1 and battery negative (-) voltage applied to terminal 2	Below 1 Ω
3 - 4	Battery positive (+) voltage applied to terminal 1 and battery negative (-) voltage to terminal 2	10 kΩ or higher
3 - 5	Battery positive (+) voltage not applied to terminal 1 and battery negative (-) voltage applied to terminal 2	10 kΩ or higher
3 - 5	Battery positive (+) voltage applied to terminal 1 and battery negative (-) voltage to terminal 2	Below 1 Ω

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

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