1928352 PIN AS Caterpillar parts
330C, 330C FM, 330C L, 330C MH
Rating:
Alternative (cross code) number:
CA1928352
192-8352
1928352
CA1928352
192-8352
1928352
Weight: 123 pounds 55 kg.
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$848.93
14 Jun 2022
US: Florida-Parts-Z
2502440 - PIN AS 1928352 for Caterpillar (CAT)
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Information:
Use this procedure in order to troubleshoot the air shutoff system. Also, use this procedure if any one of the following diagnostic codes is active or easily repeated.
Table 1
Diagnostic Codes Table
J1939 Code and Description Conditions which Generate this Code System Response
2813-5
Engine Air Shutoff Command Status : Current Below Normal The Electronic Control Module (ECM) detects low current in the circuit. The ECM can only detect this condition when the output driver is not activated. The code is logged.
2813-6
Engine Air Shutoff Command Status : Current Above Normal The ECM detects excessive current flow in the circuit. The ECM can only detect this condition when the output driver is activated. Note: The air shutoff is optional. Set the programmable parameter to "Installed" with Caterpillar Electronic Technician (ET) in order to enable the air shutoff system. The ECM can detect the air shutoff system on the engine when the configurable parameter is not set to "Installed",The ECM can stop the engine by shutting off the inlet air supply in an emergency situation. The ECM activates the output driver for the emergency shutdown system. The Air Shutoff Switch (ASOS) energizes the two air shutoff solenoids. The solenoids trip the air shutoff valves.There are two conditions which cause the ECM to activate the output driver for the air shutoff. The first condition occurs when the operator activates the customer emergency stop. The ECM will energize the output driver for the air shutoff system for one second.The second condition occurs for an engine overspeed. If an engine overspeed occurs, the ECM will energize the output driver for the "Air Shutoff" system for one second.
Illustration 1 g03383300
Air shutoff schematic
Table 2
Troubleshooting Test Steps Values Results
1. Inspect the Electrical Connectors and the Wiring
A. Turn the main disconnect switch to the OFF position.
B. Thoroughly inspect the ECM connectors. Inspect all of the connectors that are associated with the circuit. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
C. Perform a 45 N (10 lb) pull test on each of the wires in the ECM connectors that are associated with the circuit.
D. Check the allen head screw for each of the ECM connectors for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
E. Check the harness and wiring for abrasion and for pinch points from the sensors back to the ECM.
Connectors
Result: The harness and connectors appear to be OK.
Proceed to Test Step 2.
Result: There is a problem with the connectors and/or wiring.
Repair: Repair the connectors or wiring and/or replace the connectors or wiring. Ensure that all of the seals are properly in place and ensure that the connectors are coupled.
Verify that the repair eliminates the problem.
2. Check for Codes Active Codes and Logged Codes
A. Connect Caterpillar Electronic Technician (ET) to the service tool connector.
B. Restore electrical power to the ECM.
C. Monitor the active diagnostic code screen on Cat ET.
Note: Wait at least 30 seconds in order for the diagnostic codes to become active.
D. Turn the main disconnect switch to the OFF position.
Codes
Result: A code is active or
Table 1
Diagnostic Codes Table
J1939 Code and Description Conditions which Generate this Code System Response
2813-5
Engine Air Shutoff Command Status : Current Below Normal The Electronic Control Module (ECM) detects low current in the circuit. The ECM can only detect this condition when the output driver is not activated. The code is logged.
2813-6
Engine Air Shutoff Command Status : Current Above Normal The ECM detects excessive current flow in the circuit. The ECM can only detect this condition when the output driver is activated. Note: The air shutoff is optional. Set the programmable parameter to "Installed" with Caterpillar Electronic Technician (ET) in order to enable the air shutoff system. The ECM can detect the air shutoff system on the engine when the configurable parameter is not set to "Installed",The ECM can stop the engine by shutting off the inlet air supply in an emergency situation. The ECM activates the output driver for the emergency shutdown system. The Air Shutoff Switch (ASOS) energizes the two air shutoff solenoids. The solenoids trip the air shutoff valves.There are two conditions which cause the ECM to activate the output driver for the air shutoff. The first condition occurs when the operator activates the customer emergency stop. The ECM will energize the output driver for the air shutoff system for one second.The second condition occurs for an engine overspeed. If an engine overspeed occurs, the ECM will energize the output driver for the "Air Shutoff" system for one second.
Illustration 1 g03383300
Air shutoff schematic
Table 2
Troubleshooting Test Steps Values Results
1. Inspect the Electrical Connectors and the Wiring
A. Turn the main disconnect switch to the OFF position.
B. Thoroughly inspect the ECM connectors. Inspect all of the connectors that are associated with the circuit. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
C. Perform a 45 N (10 lb) pull test on each of the wires in the ECM connectors that are associated with the circuit.
D. Check the allen head screw for each of the ECM connectors for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
E. Check the harness and wiring for abrasion and for pinch points from the sensors back to the ECM.
Connectors
Result: The harness and connectors appear to be OK.
Proceed to Test Step 2.
Result: There is a problem with the connectors and/or wiring.
Repair: Repair the connectors or wiring and/or replace the connectors or wiring. Ensure that all of the seals are properly in place and ensure that the connectors are coupled.
Verify that the repair eliminates the problem.
2. Check for Codes Active Codes and Logged Codes
A. Connect Caterpillar Electronic Technician (ET) to the service tool connector.
B. Restore electrical power to the ECM.
C. Monitor the active diagnostic code screen on Cat ET.
Note: Wait at least 30 seconds in order for the diagnostic codes to become active.
D. Turn the main disconnect switch to the OFF position.
Codes
Result: A code is active or
Caterpillar parts catalog:
Parts pin Caterpillar catalog:
115, 324D, 324D L, 324D LN, 324E, 324E L, 324E LN, 325B L, 325C, 325D, 325D L, 326D L, 328D LCR, 329D, 329D L, 329D LN, 329E, 329E L, 329E LN, 330, 330 FM L, 330 L, 330B, 330B L, 330C, 330C L, 330D, 3...
324D, 329D LN, 330C L, 330D, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 336E, 336E L, 336E LN, 336F L, 340D L, 340D2 L, 345B II, 345B L, 345C, 345C L, 345D, 345D L, 345D L VG, 34...
324D, 330B L, 330C, 330C L, 330D, 330D L, 330D LN, 336D, 336D L, 336D LN, 336D2, 336D2 L, 336E, 336E L, 336E LN, 336F L, 340D L, 340D2 L, 345B II, 345B L, 345C, 345C L, 345D, 345D L, 345D L VG, 349D, ...
330C, 330C L
325C, 330C, 330C L, 330D L, 330D MH
330, 330 FM L, 330 L, 330B, 330B L, 330C FM, 330D FM, 345B II, 345B L, 345C, 350 L, W330B
330, 330 FM L, 330 L, 330B, 330B L, 330C, 330C L
330B L, 330C, 330C L
330B L, 330C, 330C L
330 FM L, 330 L, 330B, 330B L, 330C L
330 FM L, 330 L, 330B, 330B L, 330C L
325C, 325D L, 330C, 330D L, 345B II, 345C L, 365B, 365B II, 365C, 365C L, 385B, 385C L
2375481
PIN AS
365B II, 365C, 365C L, 385B, 385C L
365B II, 365C, 365C L, 385B, 385C L
2176091
PIN AS
325C, 325D L, 330C, 330D L, 345B II, 345C L, 365B II, 365C, 365C L, 385B, 385C L
325C, 325D L, 330C, 330D L, 345B II, 345C L, 365B II, 365C, 365C L, 385B, 385C L
365C, 385B, 385C, 385C L
2122897
PIN AS
365C, 385B, 385C, 385C L
365C, 385B, 385C, 385C L
2541393
PIN AS
385B, 385C, 385C L
385B, 385C, 385C L
2342746
PIN
365B II, 365C, 365C L, 385B, 385C L
365B II, 365C, 365C L, 385B, 385C L
2003160
PIN AS
M325B
M325B
1800709
PIN
M325B
M325B
1801175
PIN-DOWEL
M325B
M325B
1785030
PIN
385B
385B
1955575
PIN AS
385B
385B
1955451
PIN AS
385B
385B