Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK FUEL PUMP ASSEMBLY OPERATION

(a) Check fuel pressure.

(1) Connect the Techstream to the DLC3.

(2) Start the engine.

(3) Turn the Techstream on.

(4) Enter the following menus: Powertrain / Engine / Active Test / Control the Target Fuel Pressure.

(5) Check that the fuel pressure fluctuates when the target fuel pressure changes.

HINT:

The target fuel pressure operation lowers the target fuel pressure by 12.5% or increases the target fuel pressure by 25%.

Standard:

Fuel pressure fluctuates in accordance with the Techstream operation.

If the result is not as specified, replace the fuel delivery pipe sub-assembly (fuel pressure sensor).

(b) Check operating sound.

(1) Remove the V-bank cover sub-assembly (See page (2) Start the engine. (2) Start the engine. ).

(2) Start the engine.

(3) Using a sound scope, check the operating sound of the pump.

If no sound can be heard, check the fuel pump, wire harness and ECM.

(4) Stop the engine.

(5) Install the V-bank cover sub-assembly (See page Removal Removal ).

Components
COMPONENTS ILLUSTRATION *1 FUEL PUMP ASSEMBLY *2 FUEL PUMP LIFTER ASSEMBLY *3 FUEL PUMP LIFTER GUIDE *4 ...

Removal
REMOVAL PROCEDURE 1. REMOVE INTAKE MANIFOLD (See page ) 2. REMOVE WIRE HARNESS CLAMP BRACKET (a) Remove the 2 bolts and wire harness clamp bracket. ...

Other materials:

Open or Short in Master Cylinder Pressure Sensor (C1421,C1423,C1424,C142A,C1449)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C1421 Open or Short in Master Cylinder Pressure Sensor Any of the following is detected: When voltage at terminal +BS is 9.5 V or ...

System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line ECM Millimeter Wave Radar Sensor Assembly Cruise control operation signal Accelerator pedal idle position signal Accel overr ...

Brake System (P157800)
DESCRIPTION This DTC is output when the VSC system has a problem. Check the VSC system when this DTC is output. DTC No. DTC Detection Condition Trouble Area MIL Note P157800 Diagnosis Condition: Cr ...

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