Toyota Camry (XV70): On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE BOOSTER ASSEMBLY
(a) Airtightness check
| (1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times.
If the brake pedal can be depressed nearly to the floor the first time, but on the 2nd and 3rd time cannot be depressed as far, the brake booster assembly is airtight. |
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*a | Correct | |
*b | Incorrect | |
*c | 1st | |
*d | 2nd | |
*e | 3rd | | |
(2) Depress the brake pedal with the engine running, and stop the engine with the brake pedal depressed.
If there is no change in the brake pedal reserve distance while holding the brake pedal depressed for 30 seconds, the brake booster assembly is airtight.
(b) Operation check
| (1) Depress the brake pedal several times with the ignition switch off and check that there is no change in the brake pedal reserve distance when the brake pedal is depressed. |
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| (2) Depress and hold the brake pedal, then start the engine. If the brake pedal goes down slightly, operation is normal. |
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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 br
DISASSEMBLY PROCEDURE 1. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Remove the brake vacuum check valve assembly from the brake booster assembly.
(b) Remove the check valve grommet from the brak
INSPECTION PROCEDURE 1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Check that there is ventilation from the booster side to the engine side, and no ventilation from the engine side to the boo
SEE MORE:
DEFINITION OF TERMS
Term Definition
Monitor description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details).
Related DTCs Group of diagnostic trouble codes that are output by the ECM based on the same malfunction detection
If the Parking Support Brake detects that a collision with an object is
possible, the engine output will be restricted to restrain any increase
in the vehicle speed. (Engine output restriction control: See A below.)
Additionally, if the accelerator pedal continues to be depressed, the
brakes wil