COMPONENTS
ILLUSTRATION
*1 | CHECK VALVE GROMMET |
*2 | VACUUM WARNING SWITCH ASSEMBLY |
● | Non-reusable part |
- | - |
INSTALLATION
PROCEDURE
1. INSTALL CHECK VALVE GROMMET
(a) Install a new check valve grommet to the brake booster assembly.
2. INSTALL VACUUM WARNING SWITCH ASSEMBLY
(a) Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration.
*a | 30° +/- 20° |
![]() | Up |
(b) Connect the connector to the vacuum warning switch assembly.
3. INSTALL BATTERY
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ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR
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2. INSPECT BRAKE BOOSTER ASSEMBLY
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3. INSPECT VACUUM WARNING SWITCH ASSEMBLY
(a) Start the engine and stop it after 1 or 2 minutes.
(b) Remove the battery.
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(c) Disconnect the connector from the vacuum warning switch assembly.
(d) Measure the resistance of the vacuum warning switch assembly.
Standard Resistance:
10 kΩ or higher
(e) With the engine stopped, depress the brake pedal several times to release vacuum from the brake booster assembly, and measure the resistance of the vacuum warning switch assembly.
Standard Resistance:
Below 1 Ω
(f) Connect the connector to the vacuum warning switch assembly.
(g) Install the battery.
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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 vacuum warning switch assembly removal/installation are shown below.+
Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure |
Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
---|---|---|---|
*: When performing learning using the Techstream.
Click here | |||
Battery terminal is disconnected/reconnected |
Perform steering sensor zero point calibration |
Lane departure alert system (w/ Steering Control) |
|
Pre-collision system | |||
Intelligent Clearance Sonar System* | |||
Lighting System (for Gasoline Model with Cornering Light) | |||
Memorize steering angle neutral point |
Parking assist monitor system |
| |
Panoramic View Monitor System |
|
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
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2. REMOVE BATTERY
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3. REMOVE VACUUM WARNING SWITCH ASSEMBLY
(a) Disconnect the connector from the vacuum warning switch assembly. |
|
(b) Remove the vacuum warning switch assembly from the brake booster assembly.
4. REMOVE CHECK VALVE GROMMET
(a) Remove the check valve grommet from the brake booster assembly.
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Crankshaft Position Sensor "A" Signal Stuck in Range (P03352A,P033531)
DESCRIPTION Refer to DTC P033511. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P03352A Crankshaft Position Sensor "A" Signal Stuck in Range No crankshaft position sensor signal to the ECM while the engine running (1 trip detection logic). Open or short in cr ...