| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001EAC4 |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 02/2019] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): Brake Warning Light Remains ON; 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019] | ||
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Brake Warning Light Remains ON |
DESCRIPTION
The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication.
If any of the following is detected, the brake warning light / red (malfunction) remains on:
- The skid control ECU (brake booster with master cylinder assembly) connector is disconnected from the brake booster with master cylinder assembly.
- The brake fluid level is insufficient.
- EBD operation has been disabled.
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake booster with master cylinder assembly), perform initialization and calibration of the linear solenoid valve.
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![2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): UTILITY](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM (BRAKE WARNING LIGHT / RED (MALFUNCTION)) |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Select the Data List on the Techstream.
Click here
Chassis > ABS/VSC/TRAC > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Brake Warning Light |
Brake warning light / red (malfunction) |
ON or OFF |
ON: Warning light on OFF: Warning light off |
- |
Chassis > ABS/VSC/TRAC > Data List
|
Tester Display |
|---|
|
Brake Warning Light |
(d) Check the Techstream display condition of the brake warning light / red (malfunction).
|
Result |
Proceed to |
|---|---|
|
Display of the Data List remains OFF. |
A |
|
Display of the Data List remains ON. |
B |
| A |
|
| B |
|
|
|