| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AZ9A |
| Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - 08/2020] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): Slip Indicator Light Remains ON; 2019 - 2020 MY Avalon [04/2018 - 08/2020] | ||
|
Slip Indicator Light Remains ON |
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 TRAC operation.
If a malfunction is detected, the slip indicator light comes on to warn the driver.
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![2019 - 2021 MY Avalon [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): DIAGNOSIS SYSTEM](/t3Portal/stylegraphics/info.gif)
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration.
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PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output.
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|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B |
|
|
|
2. |
CHECK IF BRAKE ACTUATOR ASSEMBLY CONNECTOR IS SECURELY CONNECTED |
(a) 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 |
|
|
3. |
CHECK BATTERY |
(a) Check the battery voltage.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
Positive (+) terminal - Negative (-) terminal |
Engine switch off |
11 to 14 V |
| NG |
|
|
|
4. |
READ VALUE USING TECHSTREAM (SLIP INDICATOR LIGHT) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Enter the following menus: Chassis / ABS/VSC/TRAC/EPB / Data List.
Chassis > ABS/VSC/TRAC/EPB > 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 |
- |
Chassis > ABS/VSC/TRAC/EPB > Data List
|
Tester Display |
|---|
|
Slip Indicator Light |
(d) Check the Techstream display condition of the slip indicator light.
|
Result |
Proceed to |
|---|---|
|
The value of Slip Indicator Light is ON |
A |
|
The value of Slip Indicator Light is OFF |
B |
| A |
|
| B |
|
|
|