Toyota Tacoma (2015-2018) Service Manual: Brake
General Maintenance
GENERAL MAINTENANCE
PROCEDURE
1. INSPECT BRAKE LINE PIPES AND HOSES
HINT:
Work in a well-lighted area. Turn the front wheels fully to the right or left before beginning.
(a) Check all the brake lines and hoses for:
- Damage
- Wear
- Deformation
- Cracks
- Corrosion
- Leaks
- Bends
- Twists
(b) Check all the clamps for tightness and the connections for leakage.
(c) Check if the hoses and lines are not near sharp edges, moving parts and the exhaust system.
(d) Check if the lines are installed pass through the center of the grommets.
2. INSPECT FRONT BRAKE PADS AND DISCS
HINT:
- (See page
.gif)
) - If a squealing or scraping noise is heard from the brake while driving, check the pad wear indicator.
- If there are traces of the indicator contacting the disc rotor, the disc pad should be replaced.
3. INSPECT REAR BRAKE DRUM
HINT:
See page
4. INSPECT BRAKE FLUID
Fluid:
SAE J1703 or FMVSS No. 116 DOT3
HINT:
- for Hydraulic Brake Booster (See page
)
- for Vacuum Brake Booster (See page )
Body
General Maintenance
GENERAL MAINTENANCE
PROCEDURE
1. TIGHTEN BOLTS AND NUTS ON CHASSIS AND BODY
(a) Tighten the bolts and nuts on the chassis parts listed below, if necessary.
Front axle ...
Chassis
General Maintenance
GENERAL MAINTENANCE
PROCEDURE
1. INSPECT STEERING LINKAGE
(a) Check the steering wheel free play (See page
).
(b) Check the steering linkage for looseness or damage.
(1) ...
Other materials:
Steering Angle Sensor Initialization Incomplete (C1439,C1445)
DESCRIPTION
The skid control ECU (master cylinder solenoid) acquires steering angle sensor
(spiral cable with sensor sub-assembly) zero point every time the ignition switch
is turned to ON and the vehicle is driven at 35 km/h (22 mph) or more for approximately
5 seconds. The ECU also stores t ...
Driver Side Power Window Auto Up / Down Function does not Operate with Power
Window Master Switch
DESCRIPTION
If the manual up/down function can be performed but the auto up/down function
cannot, then the fail-safe mode may be functioning.
If the power window initialization (See page
) has not been performed, the auto up/down function will not operate.
WIRING DIAGRAM
CAUTION / NOTICE ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Central Gateway ECU (Network Gateway ECU)
DTC Code
Detection Item
See page
B1003
ECU Malfunction
...
