FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Component Inspection





P0231 Fuel Pump Secondary Circuit Low

Inspection/Repair - Component Inspection

Component Inspection

Injector check
1. IG KEY "OFF".
2. Disconnect fuel pump relay.
3. Measure the resistance between power from battery terminal and power to pump relay terminal of fuel pump relay (component side).
4. Measure the resistance between Power from main relay terminal and control terminal of fuel pump relay (component side).

Specification : Approx 3.5 V








5. Is the measured resistance within specification?