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:
Precaution
PRECAUTION
1. 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 ...
Indicator Circuit
DESCRIPTION
The forward recognition camera sends indicator illumination request signals to
the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
When replacing the combination meter assembly, always replace it with a new one.
If a combination meter assembly wh ...
Components
COMPONENTS
ILLUSTRATION
*A
w/ Fuel Tank Cover
*B
for Hydraulic Brake Booster
*1
FUEL TANK ASSEMBLY
*2
FUEL TANK INLET PIPE SUB-ASSEMBLY
*3
FUEL TANK VENT HOSE SUB-ASSEMBLY
...
