Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) If a malfunction is detected in the forward recognition camera, the forward recognition camera stores a DTC without directly informing the driver via indicator lights, and then notifies the systems that use the forward recognition camera. Those systems then notify the driver.
Utility
UTILITY
NOTICE:
If the forward recognition camera has been replaced with a new one or
the windshield glass has been removed and installed, it is necessary to
perform Forward Recognit ...
Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Front Recognition Came ...
Other materials:
AUTO LSD Indicator Light does not Come ON
DESCRIPTION
The AUTO LSD does not operate even if the VSC OFF switch is pressed under the
following conditions:
The brake system is faulty.
The temperature inside the hydraulic brake booster increases and the
AUTO LSD operation is suspended.
WIRING DIAGRAM
CAUTION / NOTI ...
Air Inlet Control Servo Motor
Inspection
INSPECTION
PROCEDURE
1. INSPECT AIR INLET CONTROL SERVO MOTOR
(a) Inspect the servo motor operation.
(1) Connect the positive (+) lead from the battery to terminal 1 (FRS)
and negative (-) lead to terminals 2 (REC), then check that the shaft rotates
clockwise s ...
VSC OFF Indicator Light Remains ON
DESCRIPTION
In 2WD mode:
Operation of the VSC OFF switch changes the vehicle between normal mode,
TRAC OFF mode (AUTO LSD mode) and VSC OFF mode. During normal mode, pressing
the VSC OFF switch for a short amount of time changes the vehicle to TRAC
OFF mode (AUTO LSD mode), TR ...
