Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

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4. READ VALUE USING TECHSTREAM (FRONT SPEED SENSOR)
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Start the engine.
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / ABS/VSC/TRAC / Data List.
ABS/VSC/TRAC
TESTER
DISPLAY
MEASUREMENT ITEM/RANGE NORMAL
CONDITION
DIAGNOSTIC NOTE
FR Wheel
Speed
Front wheel speed sensor RH reading/ Min.: 0
km/h (0 mph), Max.: 326 km/h (202 mph)
Actual wheel
speed
No large fluctuations when
driving at a constant speed.
FL Wheel
Speed
Front wheel speed sensor LH reading/ Min.: 0
km/h (0 mph), Max.: 326 km/h (202 mph)
Actual wheel
speed
No large fluctuations when
driving at a constant speed.
(f) Check that there is no difference between the speed value output from the speed sensor displayed on
the Techstream and the speed value displayed on the speedometer when driving the vehicle.
HINT:
F
actors that affect the indicated vehicle speed include tire size, tire inflation and tire wear. The speed
indicated on the speedometer has an allowable margin of error. This can be tested using a speedometer
tester (calibrated chassis dynamometer). For details about testing and the margin of error, refer to the
reference chart
.
OK:
The speed value output from the speed sensor displayed on the Techstream is the same as the actual
vehicle speed measured using a speedometer tester (calibrated chassis dynamometer).
NG
GO TO STEP 5
OK
USE SIMULATION METHOD TO CHECK
5. REPLACE FRONT SPEED SENSOR
(a) Replace the front speed sensor .
6. RECONFIRM DTC
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