Operation CHARM: Car repair manuals for everyone.
Home >> Lexus >> 2002 >> IS 300 L6-3.0L (2JZ-GE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Sensors and Switches - Computers and Control Systems >> Coolant Temperature Sensor/Switch (For Computer) >> Testing and Inspection
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

ENGINE COOLANT TEMPERATURE (ECT) SENSOR

INSPECTION

1. DRAIN ENGINE COOLANT

2. REMOVE ECT SENSOR




a. Disconnect the ECT sensor connector.
b. Using SST, remove the ECT sensor and gasket.
SST 09205-76030

3. INSPECT ECT SENSOR




Using an ohmmeter, measure the resistance between the terminals.

Resistance: Refer to the graph

If the resistance is not as specified, replace the ECT sensor.

4. REINSTALL ECT SENSOR
a. Install a new gasket to the ECT sensor.
b. Using SST; install the ECT sensor.
SST 09205-76030

Torque: 19.6 N.m (200 kgf.cm, 14 ft.lbf)

c. Connect the ECT sensor connector.

5. REFILL WITH ENGINE COOLANT
pro multis · About Operation CHARM