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
.gif)
).
(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
).
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:
Inspection
INSPECTION
PROCEDURE
1. REMOVE SPIRAL CABLE SUB-ASSEMBLY WITH SENSOR
(a) If there are any defects as mentioned below, replace the spiral cable sub-assembly
with a new one:
Scratches, cracks, dents or chips on the connector or the spiral cable sub-assembly.
(b) Inspect the spiral ca ...
Precaution
PRECAUTION
IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Swi ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC (CHECK USING TECHSTREAM)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Navigation System / Trouble
Codes.
(e) Check for DTCs, and then write them down.
( ...
