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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 953 (POWER DISTRIBUTION)ACCESSORY RELAYDIAGNOSIS AND TESTINGDIAGNOSIS & TESTING - ACCESSORY RELAY
2004 Toyota Matrix XR, FWD, Standard

Diagnosis & Testing - Accessory Relay

2004 Toyota Matrix XR, FWD, StandardSECTION Diagnosis & Testing - Accessory Relay
WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

The accessory relay is located in the Integrated Power Module (IPM).

  1. Remove the accessory relay from the IPM.
  2. A relay in the de-energized position should have continuity between terminals 87A and 30, and no continuity between terminals 87 and 30. If OK, go to Step 3. If not OK, replace the faulty relay.
  3. Resistance between terminals 85 and 86 (electromagnet) should be 75 +/- 7.5 ohms. If OK, go to Step 4. If not OK, replace the faulty relay.
  4. Connect a battery to terminals 85 and 86. There should now be continuity between terminals 30 and 87, and no continuity between terminals 87A and 30. If OK, check for a broken wire. If not OK, replace the faulty relay.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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