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:
Parking Brake Switch Circuit
DESCRIPTION
This circuit is from the parking brake switch assembly to the radio and display
receiver assembly.
WIRING DIAGRAM
PROCEDURE
1.
CHECK VEHICLE SIGNAL
(a) Display the "Vehicle Signal Check Mode" screen (See page
).
...
Disposal
DISPOSAL
CAUTION / NOTICE / HINT
CAUTION:
Before performing pre-disposal deployment of any SRS part, review and closely
follow all applicable environmental and hazardous material regulations. Predisposal
deployment may be considered hazardous material treatment.
PROCEDURE
1. PRECAUTION
...
VSC OFF Switch Circuit
DESCRIPTION
The skid control ECU assembly is connected to the combination meter assembly
via CAN communication.
Pressing the VSC OFF switch turns off TRAC operation, and pressing and holding
this switch turns off TRAC and VSC operation.
If TRAC and VSC operations are turned off, the TRAC OFF ...
