Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT FUEL PUMP

(a) Inspect the resistance of the fuel pump.

(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.

(b) Inspect the operation of the fuel pump.

(1) Connect the battery's positive (+) lead to terminal 1 of the connector, and the negative (-) lead to terminal 2. Check that the fuel pump operates.

NOTICE:

  • These tests must be performed within 10 seconds to prevent the coil from burning out.
  • Keep the fuel pump as far away from the battery as possible.
  • Always turn the voltage on and off on the battery side, not the fuel pump side.

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

    Disassembly

    Installation

    See More:

    Toyota Tundra Service Manual > Air Conditioning System(for Automatic Air Conditioning System): Pressure Sensor Circuit (B1423/23)
    DESCRIPTION This DTC is output when refrigerant pressure is extremely low (196 kPa (2.0 kgf/cm2, 28 psi) or less) or extremely high (3140 kPa (32.0 kgf/cm2, 455 psi) or more). The pressure switch, which is installed on the pipe of the high pressure side to detect refrigerant pressure, outputs a refr ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0097