PIN 4580543 - Caterpillar

class="catalog_a_num" href="https://avspare.com/spare/caterpillar/321713/">3217-13
3217-15
3222-3
3222-4
3222-5Result 2 - One of the following diagnostic codes is active or recently logged:
3217-3
3217-4
3219-15
3219-17Result 3 - A 3217-12 diagnostic code is active or recently logged.Results:
Result 1 - Proceed to Test Step 4.
Result 2 - Proceed to Test Step 7
Result 3 - Proceed to Test Step 10.
None of the preceding diagnostic codes are active or recently logged. - The fault may be intermittent.Repair: Refer to Troubleshooting, "Electrical Connectors - Inspect" in order to identify intermittent faults.STOPTest Step 4. Check the Voltage to the Oxygen Sensor Heater
Turn the keyswitch to the OFF position.
Disconnect the oxygen sensor.
Turn the keyswitch to the ON position.
Use a suitable multimeter to measure the voltage between pin 4 on the harness connector for the oxygen sensor and a suitable ground.
Turn the keyswitch to the OFF position.Expected Result:The voltage should be 10 to 14 VDC.Results:
OK - The voltage is within the expected range. Proceed to Test Step 5.
Not OK - The voltage is not within the expected range. The fault is in the wiring between the battery supply and pin 4 on the connector for the oxygen sensor.Repair: Repair the faulty wiring or replace the faulty wiring.Use the electronic service tool to clear all logged diagnostic codes. Run the engine for 15 minutes and use the electronic service tool to verify that the repair eliminates the fault.STOPTest Step 5. Check the Resistance of the Oxygen Sensor Heater
Turn the keyswitch to the OFF position.
Disconnect the oxygen sensor.
Measure the resistance between pin 3 and pin 4 on the oxygen sensor.Note: Allow the oxygen sensor to cool before performing this measurement.Expected Result:The resistance should be between 2.4 and 4 Ohms.Results:
OK - The resistance is within the expected range. The oxygen sensor heater is OK. Proceed to Test Step 6.
Not OK - The resistance is not within the expected range. The oxygen sensor heater is faulty.Repair: Replace the oxygen sensor. Refer to Disassembly and Assembly, "Oxygen Sensor - Remove and Install". Use the electronic service tool to perform the following resets:
"Lambda Sensor Replacement Reset"
"Lambda Sensor Learn Reset"
"Lambda Sensor Temperature Learn Reset"Use the electronic service tool to clear all logged diagnostic codes. Run the engine for 15 minutes and use the electronic service tool to verify that the repair eliminates the fault.STOPTest Step 6. Check the Sensor Heater Ground Wire
Turn the keyswitch to the OFF.
Disconnect the oxygen sensor. Disconnect the P1 connector from the ECM.Thoroughly inspect the P1/J1 connectors for corrosion and/or damaged seals.
Use a suitable multimeter to measure the resistance between terminal 3 on the harness connector for the oxygen sensor and P1:7.Expected Result:The measured resistance should be less than 2 Ohms.Results:
OK - The resistance is less than 2 Ohms.Repair: If a 3222 diagnostic code is active, perform the following repair:
Make sure that the latest flash file for the application is installed in the ECM. Refer to Troubleshooting, "Flash Programming".
Contact the Technical Communicator at a Cat Dealer.Note: This consultation can greatly reduce the repair time.
If the Technical Communicator recommends the use of a replacement ECM, install a replacement ECM. Refer