Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

Last Modified: 11-13-2015 6.6 D Doc ID: RM000005VA0000X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): TEST MODE
PROCEDURE; 2016 MY Tacoma [08/2015 - ]
TEST MODE PROCEDURE
1. WARNING LIGHT AND INDICATOR LIGHT INITIAL CHECK
(a) When the ignition switch is turned ON, check that the ABS warning, brake warning, and slip indicator lights
come on for approximately 3 seconds.
HINT:
W
hen the brake fluid level is low, the brake warning light comes on.
If the skid control ECU (brake actuator assembly) stores any DTCs, the ABS warning and slip indicator
lights will come on.
If any of the indicators remain on or do not come on, proceed to troubleshooting for the light circuits listed
below.
TROUBLE AREA SEE PROCEDURE
ABS warning light circuit (Remains on)
ABS warning light circuit (Does not come on)
Brake warning light circuit (Remains on)
Brake warning light circuit (Does not come on)
Slip indicator light circuit (Remains on)
Slip indicator light circuit (Does not come on)
2. ACTIVATE TEST MODE (SIGNAL CHECK) (When Using Techstream)
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 and connect the Techstream to the DLC3.
(5) Turn the ignition switch to ON and turn the Techstream on.
(6) Enter the following menus: Chassis / ABS/VSC/TRAC / Utility / Signal Check.
HINT:
S
ignals related to the VSC system can be inspected by performing a Test Mode (signal check) inspection.
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