Toyota Camry (XV70): 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
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and system information memorization.
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PROCEDURE
1. |
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.
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Body Electrical > Combination Meter > Active Test
Tester Display |
Brake Warning |
(e) Check the combination meter assembly.
OK:
The brake system warning light (red indicator) turns on or off in accordance with Techstream operation.
OK |
| REPLACE BRAKE ACTUATOR ASSEMBLY |
NG |
| INSPECT METER / GAUGE SYSTEM |
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DESCRIPTION This procedure is for troubleshooting when the slip indicator light remains on but no DTCs are output.
The skid control ECU (brake actuator assembly) controls the slip indicator light in
SEE MORE:
PARTS LOCATION ILLUSTRATION
*1 ROOF CONSOLE BOX SUB-ASSEMBLY
*2 TELEPHONE MICROPHONE ASSEMBLY
*3 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY
- TV FUSE (for 9 Inch Display Type)
*4 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
- ECU-ACC FUSE - ECU-DCC
PROCEDURE
1. SET DESTINATION
(a) Set another destination and check if the system can calculate the route correctly.
OK: Route can be correctly calculated.
OK
END
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE