Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001GNKZ
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 -           ]
Title: 2ZR-FXE (FUEL): FUEL PUMP (w/o Canister Pump Module): INSPECTION; 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]

INSPECTION

PROCEDURE

1. INSPECT FUEL PUMP

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

20°C (68°F)

0.2 to 3.0 Ω

If the result is not as specified, replace the fuel pump.

*a

Component without harness connected

(Fuel Pump)

(b) Check the operation.

(1) Apply auxiliary battery voltage to both terminals. Check that the fuel pump operates.

NOTICE:

  • Perform this test within 10 seconds to prevent the coil from burning out.
  • Keep the fuel pump as far away from the auxiliary battery as possible.
  • Always switch the voltage on and off at the auxiliary battery side, not the fuel pump side.

If the fuel pump does not operate, replace the fuel pump.