Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

ITEM NAME RANGE JUDGMENT DESCRIPTION TROUBLE AREA
CAN communication
between ECM and skid
control ECU (brake
actuator assembly)
Output in Master
Cylinder Pressure
Sensor
Incomplete/complete
Evaluate the master
cylinder pressure
sensor zero point
voltage
Check that the
sensitivity of the
master cylinder
pressure sensor is
normal
Open circuit or short in
master cylinder pressure
sensor circuit
Open or short in stop
light switch assembly
circuit or defective
connector connection
Stop light switch
assembly stuck OFF
3. ACTIVATE TEST MODE (SIGNAL CHECK) (When Using SST Check Wire)
HINT:
VSC does not operate in Test Mode (signal check), regardless of whether the sensor check is normal or
abnormal.
When a malfunction occurs in an ABS system sensor, the ABS warning light illuminates.
When a malfunction occurs in a VSC system sensor, the slip indicator light illuminates.
(a) Procedure to enter Test Mode (signal check).
(1) Turn the ignition switch to ON.
(2) for Manual Transmission:
Check that the shift lever is in neutral and apply the parking brake.
for Automatic Transmission:
Check that the shift lever is in P and apply the parking brake.
(3) Put the steering wheel in the neutral position.
(4) Turn the ignition switch off.
(5) Using SST, connect terminals 12 (TS) and 4 (CG) of the
DLC3.
SST: 09843-18040
Text in Illustration
*a Front view of DLC3
(6) Turn the ignition switch to ON.
(7) Check that the ABS warning and slip indicator lights come on for several seconds and then blink in Test
Mode (signal check).
HINT:
If the ABS warning and slip indicator lights do not blink, inspect the TS and CG terminal circuit and ABS
warning and slip indicator light circuits.
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