Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2007ACCORD V6-3.0L HYBRIDREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSMAIN RELAY (COMPUTER/FUEL SYSTEM)TESTING AND INSPECTION
2007 Honda Accord V6-3.0L Hybrid
Main Relay (Computer/Fuel System): Testing and Inspection
2007 Honda Accord V6-3.0L HybridSECTION Testing and Inspection
Power Relay Test
Use this chart to identify the type of relay, then do the test listed for it.
NOTE: For the turn signal/hazard relay input test, refer to Lighting and Horns.
Normally-open type
Check for continuity between the terminals.
- There should be continuity between the No.1 and No.2 terminals when battery positive terminal is connected to the No.4 terminal, and battery negative terminal is connected to the No.3 terminal.
- There should be no continuity between the No.1 and No.2 terminals when power is disconnected.
Use this chart to identify the type of relay, then do the test listed for it.
NOTE: For the turn signal/hazard relay input test, refer to Lighting and Horns.
Normally-open type
Check for continuity between the terminals.
- There should be continuity between the No.1 and No.2 terminals when battery positive terminal is connected to the No.4 terminal, and battery negative terminal is connected to the No.3 terminal.
- There should be no continuity between the No.1 and No.2 terminals when power is disconnected.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.