Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

TESTER DISPLAY MEASUREMENT
ITEM/RANGE
NORMAL CONDITION DIAGNOSTIC NOTE
higher
*1: for Manual transmission
*2: for Automatic transmission
2. ACTIVE TEST
HINT:
U
sing the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated
without removing any parts. This non-intrusive functional inspection can be very useful because
intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early
in troubleshooting is one way to save diagnostic time. Data List information can be displayed while
performing Active Tests.
(a) Warm up the engine.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.
(f) According to the display on the Techstream, perform the Active Test.
ABS/VSC/TRAC
TESTER DISPLAY TEST PART CONTROL RANGE DIAGNOSTIC NOTE
ABS Warning Light ABS warning light Warning light OFF/ON
Observe the combination meter.
[Vehicle condition]
Vehicle stopped
Brake Warning
Light
BRAKE warning light Warning light OFF/ON
Observe the combination meter.
[Vehicle condition]
Vehicle stopped
Buzzer VSC warning buzzer Buzzer OFF/ON
The buzzer can be heard.
[Vehicle condition]
Vehicle stopped
Solenoid Relay Solenoid relay Relay OFF/ON
An operating sound of the solenoid
(clicking sound) can be heard.
[Vehicle condition]
Vehicle stopped
Motor Relay Motor relay Relay OFF/ON
An operating sound of the motor can
be heard (does not come on for 2 to
5 seconds).
[Vehicle condition]
Vehicle stopped
Stop Light Relay
Stop light control relay
(STOP LP CTRL)
Relay OFF/ON
Observe the stop light (does not
come on for 2 to 5 seconds).
[Vehicle condition]
Vehicle stopped
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