Check Harness And Connector Circuit Opening Relay Fuel Pump Fuel

Tester Connections

Specified Conditions

Engine room R/B (Circuit opening relay terminal 3) - Fuel pump (F19-4)

Below 1 Q

Fuel pump (F19-5) - Body ground

Below 1 Q

Standard Resistance (Check for short)

Tester Connections

Specified Conditions

Engine room R/B (Circuit opening relay terminal 3) or Fuel pump (F19-4) - Body ground

10 kQ or higher

Engine Room R/B:

C/OPN Relay

Wire Harness Side:

Fuel Pump Connector

Front View

Remove the circuit opening (C/OPN) relay from the engine room R/B.

Disconnect the F19 fuel pump connector.

Check the resistance.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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