Toyota Tacoma (2015-2018) Service Manual: AUTO LSD Indicator Light Remains ON
DESCRIPTION
During normal mode, pressing the VSC OFF switch for a short amount of time changes vehicle to AUTO LSD mode.
WIRING DIAGRAM
.png)
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the skid control ECU (master cylinder solenoid), perform
calibration (See page
.gif)
). - Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Select CAN Bus Check from the System Selection Menu screen and follow the
prompts on the screen to inspect the CAN bus (See page
).
OK:
CAN Bus Check indicates no malfunctions in CAN communication.
| NG | .gif) |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
.gif)
|
2. |
INSPECT SKID CONTROL ECU (CSW TERMINAL) |
(a) Disconnect the S1 skid control ECU (master cylinder solenoid) connector.
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
.png)
(c) Reconnect the S1 skid control ECU (master cylinder solenoid) connector.
| NG | |
GO TO STEP 4 |
|
|
3. |
READ VALUE USING TECHSTREAM (AUTO LSD INDICATOR LIGHT) |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / ABS/VSC/TRAC / Data List.
(f) According to the display on the Techstream, read the Data List.
ABS/VSC/TRAC|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Auto LSD Indicator Light |
Auto LSD indicator light/ ON or OFF |
Indicator light OFF/ON |
ON: Indicator light on OFF: Indicator light off |
(g) Check the Techstream display condition of the brake warning light.
Result|
Result |
Proceed to |
|---|---|
|
Display of the Data List remains OFF |
A |
|
Display of the Data List remains ON |
B |
| A | |
GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
| B | |
REPLACE MASTER CYLINDER SOLENOID |
|
4. |
INSPECT VSC OFF SWITCH |
| NG | |
REPLACE VSC OFF SWITCH |
|
|
5. |
INSPECT ROOF CONSOLE BOX ASSEMBLY |
| A | |
REPAIR OR REPLACE HARNESS OR CONNECTOR (MASTER CYLINDER SOLENOID - ROOF CONSOLE BOX ASSEMBLY) |
| B | |
REPLACE ROOF CONSOLE BOX ASSEMBLY |
| C | |
REPLACE ROOF CONSOLE BOX ASSEMBLY |
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 bo ...
Slip Indicator Light does not Come ON
DESCRIPTION
Refer to Slip Indicator Light Remains ON (See page
).
WIRING DIAGRAM
Refer to Slip Indicator Light Remains ON (See page
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing ...
Other materials:
Active head restraints (Access Cab and Double Cab models only)
When the occupant’s back presses against the seatback during a rear-end collision,
the head restraint moves slightly forward to help reduce the risk of whiplash on
the seat occupant.
■Active head restraints
Even small forces applied to the seatback may cause the head restraint to mov ...
Radio Antenna
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE ROOF HEADLINING ASSEMBLY (for Double Cab)
(See page )
2. REMOVE ROOF HEADLINING ASSEMBLY (for Access Cab)
(See page )
3. REMOVE ANTENNA ASSEMBLY WITH HOLDER
(a) Disengage the 3 clamps.
(b) Remove the nut.
...
Installation of a mobile two-way radio system
The installation of a mobile two-way radio system in your vehicle could affect
electronic systems such as: ● Multiport fuel injection system/sequential multiport
fuel injection system
● Cruise control system
● Anti-lock brake system
● SRS airbag system
● Seat be ...
