3966941 FRAME AS Caterpillar parts
Rating:
Alternative (cross code) number:
CA3966941
396-6941
3966941
CA3966941
396-6941
3966941
Weight: 15 pounds 6 kg.
Number on catalog scheme:
6
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Information:
Diagnostics
Measure the value of the resistance in the recirculation sensor. See "Specifications". Proceed to step 2.
If the resistance value is incorrect see step 3. If the resistance value is correct see step 4.
Replace the recirculation sensor.
Disconnect the connectors from the sensor and measure the voltage between the connectors GN/YL and PK/GN. See "Specifications". Proceed to step 5.
If the voltage value is incorrect see step 6. If the voltage value is correct see step 7.
Check the harness and repair the harness between the connector and the control panel. Also, check the system power source.
Fit the sensor and measure the voltage between terminals 10 and 11 of the control panel. See "Specifications". Proceed to step 8.
If the voltage values are incorrect see step 9. If the voltage values are correct see step 10.
Check the harness and repair the harness between the connector and the control panel.
Replace the control panel. Specifications
Resistance in the recirculation sensor 0 °C (32 °F) ... 1.645 kΩ 25 °C (77 °F) ... 5 kΩVoltage between connectors ... 5.0 VVoltage between terminals 10 °C (50 °F) ... 3.41 V 20 °C (68 °F) ... 2.87 V 25 °C (77 °F) ... 2.59 V 30 °C (86. °F) ... 2.32 V
Measure the value of the resistance in the recirculation sensor. See "Specifications". Proceed to step 2.
If the resistance value is incorrect see step 3. If the resistance value is correct see step 4.
Replace the recirculation sensor.
Disconnect the connectors from the sensor and measure the voltage between the connectors GN/YL and PK/GN. See "Specifications". Proceed to step 5.
If the voltage value is incorrect see step 6. If the voltage value is correct see step 7.
Check the harness and repair the harness between the connector and the control panel. Also, check the system power source.
Fit the sensor and measure the voltage between terminals 10 and 11 of the control panel. See "Specifications". Proceed to step 8.
If the voltage values are incorrect see step 9. If the voltage values are correct see step 10.
Check the harness and repair the harness between the connector and the control panel.
Replace the control panel. Specifications
Resistance in the recirculation sensor 0 °C (32 °F) ... 1.645 kΩ 25 °C (77 °F) ... 5 kΩVoltage between connectors ... 5.0 VVoltage between terminals 10 °C (50 °F) ... 3.41 V 20 °C (68 °F) ... 2.87 V 25 °C (77 °F) ... 2.59 V 30 °C (86. °F) ... 2.32 V