Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

Last Modified: 11-13-2015 6.6 U Doc ID: RM000005V9X000X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): FAIL-SAFE CHART;
2016 MY Tacoma [08/2015 - ]
FAIL-SAFE CHART
If there is a problem with sensor signals or actuator systems, the skid control ECU prohibits power
supply to the brake actuator assembly and informs the ECM of a VSC system malfunction.
The brake actuator assembly turns off the solenoids and the ECM stops its VSC control according
to signals from the skid control ECU. The vehicle will operate in a manner similar to a vehicle
that is not equipped with ABS, TRAC and VSC systems.
ABS control will be prohibited, but EBD control will continue to the extent that EBD control is
possible. If EBD control is impossible, the brake warning light will come on to warn the driver
.
If a VSC system component malfunctions before VSC control begins, VSC control will be prohibited.
If a system component malfunctions during VSC control, the system will gradually stop
performing control so as not to trigger a sudden change in vehicle operation.
If it is impossible for control to continue, the warning light comes on to inform the driver of
system control termination .
ABS, EBD and BA Systems
MALFUNCTION AREA CONTROL METHOD
ABS system ABS, BA, TRAC and VSC control prohibited
BA system ABS, BA, TRAC and VSC control prohibited
EBD system ABS, EBD, BA, TRAC and VSC control prohibited
TRAC and VSC Systems
MALFUNCTION AREA CONTROL METHOD
Engine control system
(TRAC system)
Before control: Disables control
During control: Uses only the brakes to perform control
Brake control system
(VSC system)
Before control: Disables control
During control: Uses only the engine to perform control
Brake control system
(TRAC system)
Before control: Disables control
During control: Disables control (by gradually ending control)
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