DESCRIPTION
The skid control ECU is connected to the combination meter assembly via CAN communication.
The slip indicator light blinks during VSC and/or TRC operation.
If the skid control ECU stores a DTC, the slip indicator light in the combination meter assembly comes on.
When the system fails, the slip indicator light comes on to warn the driver Click here.
WIRING DIAGRAM
| *1 | Combination Meter Assembly |
| *2 | Skid Control ECU (Brake Actuator Assembly) |
| *3 | CAN Communication System |
CAUTION / NOTICE / HINT
Note
When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration Click here.
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if a CAN communication system DTC is output Click here.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
INSPECT CAN COMMUNICATION SYSTEM Click here |
| A |
|
CHECK IF BRAKE ACTUATOR ASSEMBLY CONNECTOR IS SECURELY CONNECTED
Check if the skid control ECU (brake actuator assembly) connector is securely connected.
| OK |
|---|
| The connector is securely connected. |
| NG |
|
CONNECT CONNECTOR TO BRAKE ACTUATOR ASSEMBLY CORRECTLY |
| OK |
|
CHECK BATTERY
Check the battery voltage.
| Standard voltage |
|---|
| 11 to 14 V |
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| B |
|
CHECK OR REPLACE CHARGING SYSTEM COMPONENT OR BATTERY Click here |
| C |
|
CHECK OR REPLACE CHARGING SYSTEM COMPONENT OR BATTERY Click here |
| A |
|
READ VALUE USING GTS (SLIP INDICATOR LIGHT)
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Select the Data List on the GTS Click here.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Slip Indicator Light | Slip indicator light/ ON or OFF | ON: Indicator light on OFF: Indicator light off |
- |
Check the GTS display condition of the slip indicator light.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| A |
|
REPLACE BRAKE ACTUATOR ASSEMBLY Click here |
| B |
|
INSPECT METER / GAUGE SYSTEM Click here |