Toyota Tacoma (2015-2018) Service Manual: A-TRAC Indicator Light does not Come ON
DESCRIPTION
The A-TRAC does not operate even if the A-TRAC switch is pressed under the following conditions:
- The TRAC or VSC system is faulty.
- The temperature inside the hydraulic brake booster increases and the A-TRAC operation is suspended.
WIRING DIAGRAM
Refer to A-TRAC Indicator Light Remains ON (See page
.gif)
).
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the skid control ECU (master cylinder solenoid), perform
calibration (See page
).
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
| NG | .gif) |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (ATRC TERMINAL) |
| NG | |
GO TO STEP 4 |
|
|
3. |
READ VALUE USING TECHSTREAM (A-TRC(TRAC) SWITCH) |
| OK | |
GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
| NG | |
REPLACE MASTER CYLINDER SOLENOID |
|
4. |
INSPECT A-TRAC SWITCH |
| NG | |
REPLACE A-TRAC 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 |
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 ...
A-TRAC Indicator Light Remains ON
DESCRIPTION
This is the A-TRAC main switch circuit. When the A-TRAC switch is turned on with
the transfer in L4, the A-TRAC function is available and the A-TRAC indicator light
illuminates.
WIRI ...
Other materials:
Seat belts
Make sure that all occupants are wearing their seat belts before driving the
vehicle.
■ Correct use of the seat belts
● Extend the shoulder belt so that it comes fully over the shoulder, but does
not come into contact with the neck or slide off the shoulder.
● Position the ...
Rear Leaf Spring
Components
COMPONENTS
ILLUSTRATION
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BUSH
(a) Fix the spring in a vise.
(b) Using a hack saw, cut both ends off the bushes.
(c) Using SST and a press, press out the 2 bushes.
SST: 09950-60010
09951-00350
SST: 09950-70010
...
Disassembly
DISASSEMBLY
PROCEDURE
1. INSPECT 3RD GEAR THRUST CLEARANCE
(a) Using a dial indicator, measure the 3rd gear thrust clearance.
Standard clearance:
0.200 to 0.490 mm (0.0079 to 0.0192 in.)
If the clearance is outside the specification, replace the 3rd gear,
thrust washer, c ...
