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
DESCRIPTION The skid control ECU (brake actuator assembly) controls the slip indicator light in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT
NOTICE: After replacing
DESCRIPTION
Code Tester Display
Measurement Item Trouble Area
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REMOVAL CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during mass air flow meter sub-assembly removal/installation are shown below. Necessary Procedures After Part
TERMINALS OF ECU CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*a Front view of wire harness connector (to Skid Control ECU (Brake Actuator Assembly))
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(a) Disconnect the A34 skid control ECU (brake actuator assembly) connector.
(b) Measure the voltage and resistance