Last Modified: 11-13-2015 6.6 L Doc ID: RM000001DWO03SX
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster): PRECAUTION;
2016 MY Tacoma [08/2015 - ]
1. IGNITION SWITCH EXPRESSION
(a) The type of ignition switch used on this model differs depending on the specifications of the vehicle. The
expressions listed in the table below are used in this section.
EXPRESSION IGNITION SWITCH (POSITION) ENGINE SWITCH (CONDITION)
Ignition Switch off LOCK Off (Lock)
Ignition Switch ACC ACC On (ACC)
Ignition Switch ON On On (IG)
Engine Start START On (Start)
2. TROUBLESHOOTING PRECAUTIONS
When there is a malfunction in the contact point of the terminals or installation problems with parts,
removal and reinstallation of the suspected problem parts may return the system to its normal
condition either completely or temporarily.
In order to determine the location of the malfunction, be sure to check the engine conditions at the
time the malfunction occurred, through data such as DTC and freeze frame data outputs. Record this
information before disconnecting any connectors and removing or installing any parts.
Since the Vehicle Stability Control system may be influenced by malfunctions in other systems, be sure
to check for DTCs in other systems.
Be sure to remove and reinstall the hydraulic brake booster and each sensor with the ignition switch
OFF unless specified in the inspection procedure.
When removing and installing the hydraulic brake booster and each sensor, be sure to check that the
normal display is output during a test mode inspection and a DTC output inspection after reinstalling
all the parts.
After replacing the skid control ECU (master cylinder solenoid) and/or the yaw rate and acceleration
sensor (airbag sensor assembly), be sure to perform the yaw rate sensor and acceleration sensor zero
point calibration .
The CAN communication system is used for communication between the skid control ECU (master
cylinder solenoid), steering angle sensor (spiral cable sub-assembly), yaw rate and acceleration sensor
(airbag sensor assembly) and other ECUs.
If there is trouble in the CAN communication line, the DTC relating to the communication line is output.
If a DTC relating to the CAN communication line is output, repair the malfunction in the
communication line and troubleshoot the Vehicle Stability Control system.
Since the CAN communication line has a specific length and route, it cannot be repaired temporarily
with a bypass wire.