DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication.
The slip indicator light blinks during VSC and/or TRC operation.
If a malfunction is detected, the slip indicator light comes on to warn the driver.
WIRING DIAGRAM
| *a | CAN Communication Line |
| *b | Combination Meter Assembly |
| *c | Skid Control ECU (Brake Actuator Assembly) |
CAUTION / NOTICE / HINT
Note
When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration.
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if CAN communication system DTCs are output.
| 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. |
| Result | |||
|---|---|---|---|
|
| NG |
|
CONNECT CONNECTOR TO BRAKE ACTUATOR ASSEMBLY CORRECTLY |
| OK |
|
CHECK BATTERY
Check the battery voltage.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
CHECK OR REPLACE CHARGING SYSTEM COMPONENT OR BATTERY for 2AR-FE: Click here |
| OK |
|
READ VALUE USING GTS (SLIP INDICATOR LIGHT)
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Enter the following menus: Chassis / ABS/VSC/TRC / Data List.
| 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 |
- |
| Tester Display |
|---|
| Slip Indicator Light |
Check the GTS display condition of the slip indicator light.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| A |
|
REPLACE BRAKE ACTUATOR ASSEMBLY for LHD: Click here |
| B |
|
INSPECT METER / GAUGE SYSTEM Click here |