Fuel Pump Control Circuit: Matrix

For fuel pump control circuit inspection and wiring diagram, see Fig 1-Fig 5 . Before replacing ECM, check ECM connectors and ground circuits. See ENGINE CONTROL MODULE POWER & GROUND CIRCUITS .

Fig 1: Fuel Pump Control Circuit Description & Diagram (Matrix)

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Fig 2: Fuel Pump Control Circuit Inspection Using Toyota Hand-Held Tester - Step 1 (Matrix)

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Fig 3: Fuel Pump Control Circuit Inspection Using Toyota Hand-Held Tester - Steps 2-6 (Matrix)

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Fig 4: Fuel Pump Control Circuit Inspection Using Toyota Hand-Held Tester - Step 7; Using OBD II Scan Tool - Steps 1-2 (Matrix)

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Fig 5: Fuel Pump Control Circuit Inspection Using OBD II Scan Tool - Steps 3-7 (Matrix)

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