Test Step 4 - Temperature Sensor
- Turn the ignition off.
- Remove the jumper wire from between the signal circuit and the sensor ground circuit in the sensor harness connector.
- Turn the ignition on.
- With a scan tool, read the sensor voltage.
NOTE:
The sensor voltage should be approximately 5.0 volts (plus or minus 0.1 volt) with the connector disconnected.
Does the scan tool display the voltage as described above?
Yes
- Replace the sensor. Refer to FOR ENGINE CJRA - REMOVAL AND INSTALLATION , FOR ENGINE CGVA - REMOVAL AND INSTALLATION or FOR ENGINE CGUA - REMOVAL AND INSTALLATION .
- Perform the PCM Verification Test. Refer to PCM VERIFICATION TEST .
No
- Go to Test Step TEST STEP 5 - SIGNAL CIRCUIT SHORT TO GROUND .