Toyota Tundra Service Manual: Efi Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. REMOVE INTEGRATION RELAY

2. INSPECT INTEGRATION RELAY (EFI)

NOTICE:

  • Some relays are built into the integration relay. The integration relay cannot be disassembled. If there is a malfunction in the circuit of the integration relay, replace the integration relay.
  • The internal circuit of the integration relay is as shown in the illustration below. Inspect the integration relay using the following procedures.

(a) Measure the resistance of the EFI No. 1 fuse.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

EFI NO. 1 fuse

Always

Below 1 Ω

If the result is not as specified, replace the EFI No. 1 fuse.

(b) Measure the resistance of the EFI relay.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1C-1 - 1B-4

1C-1 - 1B-5

When battery voltage is not applied to terminals 1B-2 and 1B-3

10 kΩ or higher

When battery voltage is applied to terminals 1B-2 and 1B-3

Below 1 Ω

If the result is not as specified, replace the integration relay.

3. INSTALL INTEGRATION RELAY

    Ecm

    Engine Coolant Temperature Sensor

    See More:

    Toyota Tundra Service Manual > Transmission Wire: Components
    COMPONENTS ILLUSTRATION *1 AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY *2 TRANSMISSION WIRE *3 VALVE BODY OIL STRAINER ASSEMBLY *4 TEMPERATURE SENSOR CLAMP *5 O-RING *6 GASKET *7 OVERFLOW PLUG *8 DRAIN PLUG *9 MAGNET - - N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part Toyota Genuine AT ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2022 Copyright www.ttundra.com
    0.0205