LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2000 >> Echo L4-1.5L (1NZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Knock Sensor >> Testing and Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Knock Sensor: Testing and Inspection




COMPONENTS

INSPECTION
1. REMOVE THROTTLE BODY
2. REMOVE INTAKE MANIFOLD




3. REMOVE KNOCK SENSOR
a. Disconnect the knock sensor connector.
b. Using SST, remove the knock sensor.
SST 09816-30010




4. INSPECT KNOCK SENSOR
Using an ohmmeter, check that there is continuity between the terminal and body.
If there is continuity, replace the sensor.

5. REINSTALL KNOCK SENSOR
a. Using SST, install the knock sensor.
SST 09816-30010
b. Connect the knock sensor connector.

6. REINSTALL INTAKE MANIFOLD
7. REINSTALL THROTTLE BODY