Toyota Tacoma 2015-2018 Service Manual: Under Hood
General Maintenance
GENERAL MAINTENANCE
PROCEDURE
1. GENERAL NOTES
- Maintenance items may vary from country to country. Check the owner's manual supplement in which the maintenance schedule is shown.
- Every service item in the periodic maintenance schedule must be performed.
- Periodic maintenance service must be performed according to whichever interval in the periodic maintenance schedule occurs first, the odometer reading (miles) or the time interval (months).
- Maintenance service after the last period should be performed at the same interval as before unless noted.
- Failure to do even one of the items can cause the engine to run poorly and increase the exhaust emissions.
2. WINDSHIELD WASHER FLUID
(a) Check if there is sufficient fluid in the tank.
3. ENGINE COOLANT LEVEL
(a) Check if the coolant level is between the "FULL" and "LOW" lines on the see-through reservoir.
4. RADIATOR AND HOSES
(a) Check if the front of the radiator is clean and not blocked by leaves, dirt or bugs.
(b) Check the hoses for cracks, kinks, rot or loose connections.
5. BATTERY ELECTROLYTE LEVEL
(a) Check if the electrolyte level of all the battery cells is between the upper and lower level lines on the case.
6. BRAKE FLUID LEVEL
(a) Check if the brake fluid levels are near the upper level line on the see-through reservoirs.
7. ENGINE DRIVE BELT
(a) Check the drive belt for fraying, cracks, wear or oiliness.
8. ENGINE OIL LEVEL
(a) Check the level on the dipstick with the engine turned off.
9. POWER STEERING FLUID LEVEL
(a) Check the level on the dipstick.
(b) The level should be in the "HOT" or "COLD" range depending on the fluid temperature.
10. AUTOMATIC TRANSMISSION FLUID LEVEL
(a) Visually check the overflow plug and oil pan for fluid leaks or traces of fluid.
11. EXHAUST SYSTEM
(a) If any change in the sound of the exhaust or the smell of the exhaust fumes is noticed, locate and correct the cause.
Outside Vehicle
General Maintenance
GENERAL MAINTENANCE
CAUTION / NOTICE / HINT
Performing these maintenance checks on the vehicle is the owner's responsibility.
The owner may perform the maintenance or ta ...
Audio / Video
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Other materials:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the C27 and C29 certification ECU (smart key ECU assembly) connectors.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wire harness side w ...
Front Occupant Classification Sensor RH Collision Detection (B1786)
DESCRIPTION
DTC B1786 is set when the occupant detection ECU receives a collision detection
signal, which is sent by the front occupant classification sensor RH when an accident
occurs.
DTC B1786 is also set when the front seat with adjuster frame assembly RH is
subjected to a strong impact, ...
Tire Position Not Identified
DESCRIPTION
The tire pressure warning ECU and receiver identifies the tire position for each
tire pressure warning valve and transmitter according to the wheel speed signals
from the skid control ECU and acceleration rate signal from each acceleration sensor
built into each tire pressure warn ...
