Fuel Pump Control Circuit: Highlander

NOTE: Manufacturer does not supply circuit diagram for fuel pump control circuit.

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 (Highlander)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Fuel Pump Control Circuit Inspection Using Toyota Hand-Held Tester - Steps 1-5 (Highlander)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Fuel Pump Control Circuit Inspection Using Toyota Hand-Held Tester - Steps 6-7; Using OBD II Scan Tool - Step 1 (Highlander)

Fig 4: Fuel Pump Control Circuit Inspection Using OBD II Scan Tool - Steps 2-6 (Highlander)

Fig 5: Fuel Pump Control Circuit Inspection Using OBD II Scan Tool - Step 7 (Highlander)