Toyota Tacoma (2015-2018) Service Manual: ABS Warning Light does not Come ON
DESCRIPTION
Refer to ABS Warning Light Remains ON (See page
.gif)
).
WIRING DIAGRAM
Refer to ABS Warning Light Remains ON (See page
).
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. |
PERFORM ACTIVE TEST USING TECHSTREAM (ABS WARNING LIGHT) |
(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 / ABS/VSC/TRAC / Active Test.
(e) According to the display on the Techstream, perform the Active Test.
ABS/VSC/TRAC|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
ABS Warning Light |
ABS warning light |
Warning light OFF/ON |
Observe the combination meter. [Vehicle condition] Vehicle stopped |
(f) When performing the ABS Warning Light Active Test, check ABS Warning Light in the Data List.
ABS/VSC/TRAC|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
ABS Warning Light |
ABS warning light/ ON or OFF |
OFF |
- |
|
Result |
Proceed to |
|---|---|
|
ABS warning light in the Data List does not change using the Active Test |
A |
|
ABS warning light in the Data List turns ON/OFF using the Active Test |
B |
| A | |
REPLACE MASTER CYLINDER SOLENOID |
|
|
3. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Turn the ignition switch off.
(b) Perform Active Test of the combination meter assembly using the Techstream.
(c) Check the combination meter assembly.
OK:
The ABS warning light turns on or off in accordance with the Techstream.
| OK | |
REPLACE MASTER CYLINDER SOLENOID |
| NG | |
GO TO METER / GAUGE SYSTEM |
Reservoir Level Switch Disconnected (C1453,C1454)
DESCRIPTION
The brake fluid level warning switch sends the appropriate signal to the skid
control ECU (master cylinder solenoid) when the brake fluid level drops.
DTC Code
DT ...
ABS Warning Light Remains ON
DESCRIPTION
If any of the following is detected, the ABS warning light remains on.
The skid control ECU (master cylinder solenoid) connectors are disconnected
from the skid control ECU (m ...
Other materials:
Traction Off Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE ROOF CONSOLE BOX ASSEMBLY
(See page )
2. REMOVE A-TRAC SWITCH (TRACTION CONTROL SWITCH)
(a) Disconnect the A-TRAC switch (traction control switch) connector.
(b) Using a screwdriver, detach the 2 claws ...
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) Whenever a meter DTC is detected, the combination meter assembly stores the
current vehicle state as freeze frame data.
2. CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on ...
Pattern Select Switch Power Mode Circuit
DESCRIPTION
The ECM memory contains the programs for the normal and PWR shift patterns.
By following the programs corresponding to the signals from the pattern select
switch assembly, park/neutral position switch and other various sensors, the ECM
switches the shift solenoid valves on and off, ...
