DESCRIPTION
Refer to Brake Warning Light Remains ON (See page
.gif)
).
WIRING DIAGRAM
Refer to Brake 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 (BRAKE WARNING 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 / Active Test.
(f) According to the display on the Techstream, perform the Active Test.
ABS/VSC/TRAC|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Brake Warning Light |
Brake warning light |
Warning light OFF/ON |
Observe the combination meter. [Vehicle condition] Vehicle stopped |
(g) When performing the Brake Warning Light Active Test, check Brake Warning Light in the Data List.
ABS/VSC/TRAC|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
Brake Warning Light |
Brake warning light/ ON or OFF |
OFF |
- |
|
Result |
Proceed to |
|---|---|
|
Brake warning light in the Data List turns ON/OFF using the Active Test |
A |
|
Brake warning light in the Data List does not change using the Active Test |
B |
| B | |
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 brake warning light turns on or off in accordance with the Techstream.
| OK | |
REPLACE MASTER CYLINDER SOLENOID |
| NG | |
GO TO METER / GAUGE SYSTEM |
