DESCRIPTION
Refer to Brake Warning Light Remains ON Click here.
WIRING DIAGRAM
Refer to Brake Warning Light Remains ON Click here.
INSPECTION PROCEDURE
Note
When replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store system information Click here.
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if CAN communication system DTCs are output Click here.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK CAN COMMUNICATION SYSTEM Click here |
| A |
|
PERFORM ACTIVE TEST USING GTS (BRAKE WARNING LIGHT)
Turn the ignition switch off.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Chassis / ABS/VSC/TRC / Active Test.
According to the display on the GTS, perform the Active Test.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Brake Warning Light | Brake warning light | Warning light OFF/ON | Observe combination meter assembly Vehicle condition: Vehicle stopped |
When performing the Brake Warning Light Active Test, check Brake Warning Light in the Data List.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Brake Warning Light | Brake warning light / ON or OFF | ON: Warning light on OFF: Warning light off |
- |
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
REPLACE BRAKE ACTUATOR ASSEMBLY Click here |
| A |
|
INSPECT COMBINATION METER ASSEMBLY
Turn the ignition switch off.
Perform Active Test of the combination meter assembly using the GTS Click here.
Check the combination meter assembly.
| OK |
|---|
| The brake warning light turns on or off in accordance with the GTS. |
| NG |
|
INSPECT METER / GAUGE SYSTEM Click here |
| OK |
|
REPLACE BRAKE ACTUATOR ASSEMBLY Click here