Power Main Relay

2004 Toyota Matrix XR, FWD, StandardSECTION Power Main Relay
WARNING: This page is about a different car, the 2002 Lexus GS 430 and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the power main relay continuity. See CONNECTOR IDENTIFICATIONΒ . See INSPECTING POWER MAIN RELAY CONTINUITYΒ  table. If continuity is not as specified, replace the relay.

INSPECTING POWER MAIN RELAY CONTINUITY

Condition Tester Connection Specified Condition
Constant 1 - 2 Continuity
Apply B+ Between Terminals No. 1 & 2 3 - 5 Continuity
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.
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  • β€’ You are not confident in the next step or safety outcome.