Toyota Camry (XV70): ABS Warning Light Remains ON
DESCRIPTION
This procedure is for troubleshooting when the ABS warning light remains on but no DTCs are output.
The skid control ECU (brake actuator assembly) controls the ABS warning light in the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
- After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and system information memorization.
Click here
.gif)
- Before performing this procedure, depress the brake pedal and confirm that the stop lights illuminate.
PROCEDURE
|
1. | CHECK VEHICLE CONTROL HISTORY (RoB) (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Enter the following menus: Chassis / Brake / Utility / Vehicle Control History (RoB).
(d) Using the Techstream, check for Vehicle Control History (RoB).
Click here
|
Tester Display |
|---|
| Vehicle Control History (RoB) |
HINT:
If vehicle control history (RoB) is stored when the vehicle stability control system is suspended, the ABS warning light illuminates.
|
Result | Proceed to |
|---|---|
|
There is no vehicle control history (RoB) for when the vehicle stability control system was suspended. |
A |
| There is vehicle control history (RoB) for when the vehicle stability control system was suspended. |
B |
| B |
.gif) | PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY (RoB) NOTICE: After performing troubleshooting and repair regarding vehicle control history (RoB), clear the vehicle control history (RoB). |
|
.gif)
| 2. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Enter the following menus: Body Electrical / Combination Meter / Active Test.
(d) Perform the Active Test of the combination meter assembly using the Techstream.
Click here
|
Tester Display |
|---|
| ABS Warning |
(e) Check the combination meter assembly.
OK:
The ABS warning light turns on or off in accordance with Techstream operation.
| OK | | REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG | | INSPECT METER / GAUGE SYSTEM |
READ NEXT:
ABS Warning Light does not Come ON
DESCRIPTION The skid control ECU (brake actuator assembly) controls the ABS warning light in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT
NOTICE: After replacing the
Brake Warning Light Remains ON
DESCRIPTION This procedure is for troubleshooting when the brake system warning light (red indicator) remains on but no DTCs are output.
The skid control ECU (brake actuator assembly) controls the b
Brake Warning Light does not Come ON
DESCRIPTION The skid control ECU (brake actuator assembly) controls the brake system warning light (red indicator) in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT
NO
SEE MORE:
TRAC does not Operate
DESCRIPTION When TRAC or VSC is operating, the skid control ECU (brake actuator assembly) blinks the slip indicator light to inform the driver that slippage occurred.
When in VSC off mode, or TRAC and VSC are disabled, the multi-information display in the combination meter assembly displays "Tract
Transmission Fluid Temperature Sensor "A" Circuit Short To Ground (P071011)
DESCRIPTION The ATF temperature sensor converts the automatic transaxle fluid (ATF) temperature into a resistance value for use by the ECM.
The ECM applies voltage to the temperature sensor through terminal THO1 of the ECM.
The sensor resistance changes with the ATF temperature. As the temperatu
