Toyota Tundra 2005 Service - Repair - Maintenance page 2012

SF−70
Upper
Engine
Rear
Engine
Rear
0° − 10°
SFI (2UZ−FE)
B17474
B17475
0° − 10°
Upper
B17503
− KNOCK SENSOR
INSPECTION
1. REMOVE THROTTLE BODY COVER
2. REMOVE INTAKE AIR CONNECTOR
3. REMOVE INTAKE MANIFOLDS ASSEMBLY
(See page EM−36)
4. INSPECT KNOCK SENSORS 1 AND 2
(a) Disconnect the knock sensor connectors.
(b) Using an ohmmeter, measure the resistance between ter-
minals.
Resistance: 120 to 280 kΩ at 20°C (68°F)
HINT:
If the resistance is not as specified, replace the sensor.
5. REMOVE KNOCK SENSOR
(a) Disconnect the 2 knock sensor connectors.
(b) Remove the 2 nuts and 2 knock sensors.
6. INSTALL KNOCK SENSOR
(a) Install the 2 knock sensors with the 2 nuts as shown in the
illustration.
Torque: 20 N·m (204 kgf·cm, 15 ft·lbf)
(b) Connect the 2 knock sensor connectors.
7. INSTALL INTAKE MANIFOLD ASSEMBLY
(See page EM−60)
8. INSTALL INTAKE AIR CONNECTOR
9. INSTALL THROTTLE BODY COVER
SF1XU−02