Toyota Tacoma (2015-2018) Service Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side)
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Active Test / Control the Intake VVT OCV Duty Ratio Bank 1 or Control the Intake VVT OCV Duty Ratio Bank 2 / Data List / Intake VVT Change Angle Bank 1 or Intake VVT Change Angle Bank 2.
(e) Read the Data List while performing the Active Test with the engine idling.
OK:
|
Techstream Operation |
Data List (Intake VVT Change Angle Bank 1 or Intake VVT Change Angle Bank 2) |
|---|---|
|
-100% to 100% |
Varies by 75 DegFR or more |
2. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side)
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Active Test / Control the Exhaust VVT OCV Duty Ratio Bank 1 or Control the Exhaust VVT OCV Duty Ratio Bank 2.
(e) Check the engine speed while operating the cam timing oil control solenoid assembly (for exhaust camshaft) using the Techstream.
OK:
|
Techstream Operation |
Engine Condition |
|---|---|
|
0% |
Normal engine speed |
|
100% |
Engine idles roughly or stalls |
HINT:
Refer to "Data List / Active Test" [Exhaust VVT OCV Control Duty Ratio Bank 1
and Exhaust VVT Change Angle Bank 1 or Exhaust VVT OCV Control Duty Ratio Bank 2
and Exhaust VVT Change Angle Bank 2] (See page .gif)
).
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY
(a) Check the operation.
(1) Apply battery voltage between the terminals and check that the plunger
ope ...
Other materials:
Active traction control system
The active traction control system automatically helps prevent the spinning of
4 wheels when the vehicle is started or accelerated on slippery road surfaces.
■ System operation
Vehicles with an automatic transmission:
Stop the vehicle, shift the shift lever to N and put the frontwheel d ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT OIL PUMP RELIEF VALVE
(a) Coat the oil pump relief valve with engine oil and check that it
falls smoothly into the valve hole by its own weight.
If the valve does not fall smoothly, replace the timing chain cover assembly.
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Proceed to the troubleshooting for each circuit in the table below.
Symptom
Suspected Area
See page
Passenger seat occupant conditions and displayed passenger airbag ON/OFF
indicator do not correspond
Tr ...
