Toyota 4Runner Quiz
Brake

Relay

In this manual: Brake
General — 25Audio / Visual / Telematics — 283Brake — 187Drivetrain — 204Power Source / Network — 79Steering — 76Suspension — 130Vehicle Exterior — 391Vehicle Interior — 693
~1min read
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

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

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.

(c) Install the stop light control relay.

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.