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:
LVDS Signal Malfunction (from Extension Module) (B1532)
DESCRIPTION
The stereo component tuner assembly and the radio and display receiver assembly
are connected by an LVDS communication line.
This DTC is stored when an LVDS communication error occurs between the stereo
component tuner assembly and the radio and display receiver assembly.
...
Cruise SET Indicator Light Circuit
DESCRIPTION
The ECM illuminates the cruise control SET indicator by sending indicator output
demand signals to the combination meter assembly via CAN communication. The cruise
control SET indicator illuminates when the dynamic radar cruise control system is
controlling vehicle speed. The crui ...
Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
When there is a short to GND in the power supply for the transponder key amplifier
of the engine switch, the certification ECU (smart key ECU assembly) stores this
DTC.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output Confirmation ...
