Toyota Avalon (XX50): Knock Sensor
Components
COMPONENTS
ILLUSTRATION
|
*1 | KNOCK CONTROL SENSOR |
- | - |
 |
N*m (kgf*cm, ft.*lbf): Specified torque |
- | - |
Inspection
INSPECTION
PROCEDURE
1. INSPECT KNOCK CONTROL SENSOR
| (a) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
1 - 2 | 25°C (77°F) |
120 to 280 kΩ | If the result is not as specified, replace the knock control sensor. |
 |
|
*a | Component without harness connected
(Knock Control Sensor) | | |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
This
procedure includes the installation of small-head bolts. Refer to
Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Click here
PROCEDURE
1. INSTALL KNOCK CONTROL SENSOR
HINT:
Perform "Inspection After Repair" after replacing the knock control sensor.
Click here
| (a)
Install the knock control sensor to the cylinder block sub-assembly
with the bolt so that the knock control sensor installation position is
as shown in the illustration. Torque: 21 N·m {214 kgf·cm, 15 ft·lbf}
NOTICE:
- If the knock control sensor has been struck or dropped, replace it.
- Make sure that the knock control sensor is in the correct position.
|
 |
|
*a | Top | |
*b | Right of Vehicle | |
*c | 15° | |
*d | 5° | | |
(b) Connect the knock control sensor connector.
2. INSTALL INTAKE MANIFOLD
Click here
3. PERFORM INITIALIZATION
(a) Perform "Inspection After Repair" after replacing the knock control sensor.
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Removal
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 knock control sensor 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 |
- Replacement of throttle body assembly
- Cleaning the deposits from the throttle body assembly
- Replacement of EGR valve assembly
- Gas leak from exhaust system is repaired
- Replacement of knock control sensor
| Inspection after repair |
- Poor idle, etc.
- Engine start function, etc.
|
 |
NOTICE:
This
procedure includes the removal of small-head bolts. Refer to Small-Head
Bolts of Basic Repair Hint to identify the small-head bolts.
Click here
PROCEDURE
1. REMOVE INTAKE MANIFOLD
Click here
2. REMOVE KNOCK CONTROL SENSOR
| (a) Disconnect the knock control sensor connector. | |
(b) Remove the bolt and knock control sensor from the cylinder block sub-assembly.
NOTICE:
If the knock control sensor has been struck or dropped, replace it.
