Starter Relay Test

2004 Toyota Celica GT, StandardSECTION Starter Relay Test
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

Measure resistance between specified terminals. For resistance specification, see STARTER RELAY CONDITIONSΒ .

STARTER RELAY CONDITIONS

Ohmmeter Connection Resistance
Terminals No. 3 & 5 With No Battery Voltage Applied Through Terminals No. 1 & 2 10,000 Ohms Or More
Terminal No. 3 & 5 With Battery Voltage Applied Through Terminals No. 1 & 2 Less Than One Ohm
Fig 1: Identifying Starter Relay Terminals
G94I46126Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.