Solenoid Valve - Test
Show/hide table
| Diagnostic Codes | ||
| J1939 Code and Description | Conditions which Generate this Code | System Response |
| 1188-5
Engine Turbocharger 1 Wastegate Drive : Current Below Normal |
The Electronic Control Module (ECM) detects an open in the circuit for the solenoid valve.
The ECM can only detect this condition when the output driver is not activated. |
The code is logged. |
| 1188-6
Engine Turbocharger 1 Wastegate Drive : Current Above Normal |
The ECM detects a short in the circuit for the solenoid valve.
The ECM can only detect this condition when the output driver is activated. |
The code is logged. |
| 2813-5
Engine Air Shutoff Command Status : Current Below Normal |
The Electronic Control Module (ECM) detects an open in the circuit for the solenoid valve. | The code is logged. |
| 2813-6
Engine Air Shutoff Command Status : Current Above Normal |
The ECM detects a short in the circuit for the solenoid valve. | The code is logged. |
Show/hide table
| |
| Illustration 1 | g03478740 |
|
Schematic for the air shutoff circuit | |
Show/hide table
| |
| Illustration 2 | g03480376 |
|
Schematic for the waste gate circuit | |
Note: Refer to Troubleshooting, "Component Location" of this manual, in order to locate the components listed in this procedure.
Show/hide table
| Troubleshooting Test Steps | Values | Results |
|---|---|---|
1. Check for Active Diagnostic Codes and Check for Logged Diagnostic Codes A. Connect Caterpillar Electronic Technician (ET) to the service tool connector. Refer to Troubleshooting, "Electronic Service Tools", if necessary. B. Download the "Product Status Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes. C. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note. Wait at least 30 seconds in order for diagnostic codes to become active. D. Select diagnostic tests from Cat ET. E. Select the "Override Parameters" screen on Cat ET. F. Activate the override for the circuit that is being tested. G. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. H. Deactivate the override. I. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic codes to become active. |
Logged Diagnostic Codes Or Active Diagnostic Codes 677-5 677-6 |
Results: A diagnostic code is logged but is not active. Repair: Do not troubleshoot a logged code unless the code relates to an operator complaint. If the code is logged and the code does not relate to an operator complaint, clear the code. If the logged code relates to this procedure, inspect the electrical connectors and the wiring for the circuit. Refer to Troubleshooting, "Electrical Connectors - Inspect" Results: A -5 diagnostic code is active at this time. Proceed to Test Step 2. Results: A -6 diagnostic code is active at this time. Proceed to Test Step 5. |
2. Inspect the Electrical Connectors and the Wiring A. Check the harness and the wiring for abrasion and for pinch points. B. Thoroughly inspect all connectors that are in the circuit. Refer to Troubleshooting, "Electrical Connectors - Inspect " for details. |
-5 code |
Results: The connectors and wiring are OK. Proceed to Test Step 3. Results: The connectors and/or wiring are Not OK. Repair: Repair the connectors or wiring and/or replace the connectors or wiring. |
3. Determine if the Solenoid Valve has an Open Circuit Condition A. Remove the electrical power from the ECM. B. Disconnect the electrical connector from the solenoid valve of the circuit being tested. C. Using appropriate terminals, fabricate a jumper wire and short the harness connector. D. Restore the electrical power to the ECM. E. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note. Wait at least 30 seconds in order for the diagnostic codes to become active. F. Select diagnostic tests from Cat ET. G. Select the "Override Parameters" screen on Cat ET. H. Activate the override for the circuit that is being tested. I. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. J. Deactivate the override. K. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. L. Remove the electrical power from the ECM. M. Restore the wiring to the original configuration. |
-5 code |
Results: A -5 diagnostic code is active when the connector is disconnected. A -6 diagnostic code is active when the jumper wire is shorting the circuit. Repair: The wiring harness and the ECM are OK. The open circuit is in the solenoid for the valve. Perform the following repair: Note. Some solenoid valve assemblies have a solenoid that can be serviced separately. The solenoid may be called out as a coil in the parts book. 1. Temporarily connect a new solenoid valve. 2. Recheck the circuit in order to ensure that the original problem is resolved with the installation of the new the solenoid valve. 3. If the problem is resolved with the new solenoid valve, reinstall the suspect solenoid valve. If the problem returns with the installation of the suspect solenoid valve, permanently install the new solenoid valve. 4. Before returning the engine to service, clear the logged diagnostic codes that are associated with this test. Results: The -5 diagnostic code remains active when the jumper wire is shorting the circuit. The solenoid for the valve is OK. The open is in the remainder of the circuit. Proceed to Test Step 5 |
4. Check the Operation of the ECM by Creating a Short Circuit at the ECM Connector A. Remove the electrical power from the ECM. B. Remove the "Solenoid Valve (+)" wire, for the circuit being tested, from the ECM connector. C. Using appropriate terminals, fabricate a jumper wire and replace the removed wire with the jumper wire. D. Short the jumper wire to -Battery. E. Restore the electrical power to the ECM. F. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. G. Select diagnostic tests from Cat ET. H. Select the "Override Parameters" screen on Cat ET. I. Activate the override for the circuit that is being tested. J. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. K. Deactivate the override. L. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. M. Remove the electrical power from the ECM. N. Restore the wiring to the original configuration. |
-5 code |
Results: A -5 diagnostic code was active before shorting the wire to -Battery. A -6 diagnostic code became active after shorting the wire to -Battery. Repair: The ECM is OK. There is an open in the wiring that is between the ECM and the solenoid valve. Perform the following procedure: 1. Repair the connectors or wiring and/or replace the connectors or wiring. 2. Recheck the circuit in order to ensure that the original problem is resolved. 3. Before returning the engine to service, clear the logged diagnostic codes that are associated with this test. Results: A -5 diagnostic code remains active with the wire at the ECM connector shorted to -Battery. Note: Before you consider replacing the ECM, consult with your Cat dealers Technical Communicator (TC) for assistance. Repair: There appears to be a problem with the ECM. Perform the following procedure: 1. Temporarily connect a test ECM. Refer to Troubleshooting, "ECM - Replace". 2. Recheck the circuit in order to ensure that the original problem is resolved. If the problem is resolved with the test ECM, reconnect the suspect ECM. If the problem returns with the suspect ECM, permanently install the new ECM. Verify that the problem is resolved. If the problem is not resolved with the test ECM, install the original ECM. There is a problem in the wiring. 3. Before returning the engine to service, clear the logged diagnostic codes that are associated with this test. |
5. Inspect the Electrical Connectors and the Wiring A. Check the harness and the wiring for abrasion and for pinch points. B. Thoroughly inspect all connectors that are in the circuit. Refer to Troubleshooting, "Electrical Connectors - Inspect " for details. |
-6 code |
Results: The connectors and wiring are OK. Proceed to Test Step 6. Results: The connectors and/or wiring are NOT OK. Repair: Repair the connectors or wiring and/or replace the connectors or wiring. |
6. Determine if the Solenoid Valve has a Short Circuit Condition A. Remove the electrical power from the ECM. B. Disconnect the electrical connector from the solenoid valve of the circuit being tested. C. Restore the electrical power to the ECM. D. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note. Wait at least 30 seconds in order for the diagnostic codes to become active. E. Select diagnostic tests from Cat ET. F. Select the "Override Parameters" screen on Cat ET. G. Activate the override for the circuit that is being tested. H. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. I. Deactivate the override. J. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. K. Remove the electrical power from the ECM. L. Restore the wiring to the original configuration. |
-6 code |
Results: A -6 diagnostic code was active before disconnecting the connector. A -5 diagnostic code became active after disconnecting the connector. Repair: The wiring harness and the ECM are OK. The short circuit is in the solenoid for the valve. Perform the following repair: Note. Some solenoid valve assemblies have a solenoid that can be serviced separately. The solenoid may be called out as a coil in the parts book. 1. Temporarily connect a new solenoid valve. 2. Recheck the circuit in order to ensure that the original problem is resolved with the installation of the new solenoid valve. 3. If the problem is resolved with the new solenoid valve, reinstall the suspect solenoid valve. If the problem returns with the installation of the suspect solenoid valve, permanently install the new solenoid valve. 4. Before returning the engine to service, clear the logged diagnostic codes that are associated with this test. Results: The -6 diagnostic code remains active after disconnecting the connector. The solenoid for the valve is OK. The short is in the remainder of the circuit. Proceed to Test Step 7. |
7. Check the Operation of the ECM by Creating an Open Circuit at the ECM Connector A. Remove the electrical power from the ECM. B. Remove the "Solenoid Valve (+)" wire, for the circuit being tested, from the ECM connector. C. Restore the electrical power to the ECM. D. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. E. Select diagnostic tests from Cat ET. F. Select the "Override Parameters" screen on Cat ET. G. Activate the override for the circuit that is being tested. H. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. I. Deactivate the override. J. Monitor the active diagnostic code screen on Cat ET. Record any active diagnostic codes. Note: Wait at least 30 seconds in order for the diagnostic code to become active. K. Remove the electrical power from the ECM. L. Restore the wiring to the original configuration. |
-6 code |
Results: A -6 diagnostic code was active before removing the wire. A -5 diagnostic code became active after removing the wire. Repair: The ECM is OK. There is a short in the wiring that is between the ECM and the solenoid valve. Perform the following procedure: 1. Repair the connectors or wiring and/or replace the connectors or wiring. 2. Recheck the circuit in order to ensure that the original problem is resolved. 3. Before returning the engine to service, clear the logged diagnostic codes that are associated with this test. Results: A -6 diagnostic code remains active after removing the wire. Note: Before you consider replacing the ECM, consult with your Cat dealers Technical Communicator (TC) for assistance. Repair: There appears to be a problem with the ECM. Perform the following procedure: 1. Temporarily connect a test ECM. Refer to Troubleshooting, "ECM - Replace". 2. Recheck the circuit in order to ensure that the original problem is resolved. If the problem is resolved with the test ECM, reconnect the suspect ECM. If the problem returns with the suspect ECM, replace the ECM. Verify that the problem is resolved. If the problem is not resolved with the test ECM, install the original ECM. There is a problem in the wiring. 3. Before returning the engine to service, clear the logged diagnostic codes that are associated with this test. |
Caterpillar Information System:
C280 Marine and Petroleum Engines Electrical Power Supply - Test
3516B and 3516C Engines For MT4400D AC Off-Highway Trucks Electronic Service Tool Does Not Communicate
C1.5 and C2.2 Engines for Caterpillar Built Machines Electric Starting Motor
C1.5 and C2.2 Engines for Caterpillar Built Machines Alternator and Regulator
C1.5 and C2.2 Engines for Caterpillar Built Machines Engine Oil Pressure Switch
C1.5 and C2.2 Engines for Caterpillar Built Machines Exhaust Manifold
C1.5 and C2.2 Engines for Caterpillar Built Machines Fuel Injection Pump
C1.5 and C2.2 Engines for Caterpillar Built Machines Fuel Injection Nozzles
C1.5 and C2.2 Engines for Caterpillar Built Machines Gear Group (Front)
C18 Marine Auxiliary and Marine Generator Set Engines Cooling System
Set up Procedure for the Low-Pressure Fuel System of 3600 and C280 Diesel Engines{1250} Set up Procedure for the Low-Pressure Fuel System of 3600 and C280 Diesel Engines{1250}
Failure of Digital Communication Unit (DCU) Crank Output on Certain Cat® Engines{7451} Failure of Digital Communication Unit (DCU) Crank Output on Certain Cat® Engines{7451}
Cat® Command for Hauling - 793F CMD Onboard Autonomy Setup and Configuration Guide {7605, 7610, 7620} Cat® Command for Hauling - 793F CMD Onboard Autonomy Setup and Configuration Guide {7605, 7610, 7620}
C1.5 and C2.2 Engines for Caterpillar Built Machines Coolant Temperature Sensor
3516B Engine for the MT4400D Off-Highway Truck Air Lines - Aftercooler
C1.5 and C2.2 Engines for Caterpillar Built Machines Speed/Timing Sensor
TA2 Technical Inspection for 3516B and 3516C Engines For MT4400D AC Off-Highway Trucks{1000} TA2 Technical Inspection for 3516B and 3516C Engines For MT4400D AC Off-Highway Trucks{1000}
C1.5 and C2.2 Engines for Caterpillar Built Machines Boost Pressure Sensor - If equipped
CG137-08 and CG137-12 Engines Engine Oil Filter Base - Remove and Install - G3408B
C1.5 and C2.2 Engines for Caterpillar Built Machines Inlet Manifold Temperature Sensor
Procedure to Rework Exhaust Shield and Seal on Certain Machine and Commercial Engines {1059, 7555} Procedure to Rework Exhaust Shield and Seal on Certain Machine and Commercial Engines {1059, 7555}
2012/12/06 A New Pre-Chamber Spark Plug is Available for Certain G3500 Engines {1550}
Marine Multi-Station Control System ECM CID 1383 - FMI 11
3512B and 3512C Petroleum Generator Set Engines Exhaust Flange