1446815 CAP-FUEL Caterpillar parts
301.5
Rating:
Alternative (cross code) number:
CA1446815
144-6815
1446815
CA1446815
144-6815
1446815
Weight: 0.99 pounds 0 kg.
MINI HYD EXCAVATOR,
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2022-08-12
2022-04-24
Compatible equipment models: 1446815:
Number on catalog scheme:
6
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Information:
Possible causes for an FMI 3 diagnostic code are:
The sensor supply or the ground circuit in the machine harness is open.
The signal circuit in the machine harness is shorted to another circuit.
The signal circuit in the machine harness is open or the sensor is disconnected.
The sensor has failed.
The ECM has failed. An ECM failure is unlikely.Possible causes for an FMI 4 diagnostic code are:
The signal circuit in the machine harness is shorted to ground.
The sensor has failed.
The ECM has failed. An ECM failure is unlikely.
Illustration 2 g03521702
Schematic of the Sensor Supply
Note: The diagram above is a simplified schematic of the Implement ECM and the Sensor Supply connections. The schematic is electrically correct. However, not all of the possible harness connectors are shown. Refer to the latest revision for the complete schematic.Diagnostic Trouble Code Procedure
Note: Prior to beginning this procedure, inspect the harness connectors that are involved in this circuit. Poor connections can often be the cause of a problem in an electrical circuit. Verify that all connections in the circuit are clean, secure, and in good condition. If a problem with a connection is found, correct the problem and verify that the diagnostic code is active before performing a troubleshooting procedure.
Table 3
Troubleshooting Test Steps Values Results
1. Identify The Active FMI Code Associated With The Sensor Supply Circuit Code present FMI 3 diagnostic code, proceed to Test Step 2.
FMI 4 diagnostic code, proceed to Test Step 5.
Begin Process For FMI 3 Troubleshooting HERE
2. Check The Supply Voltage
A. Turn the key start switch and the disconnect switch OFF.
B. At the harness connector, insert the positive multimeter probe along the supply positive contact. Insert the negative multimeter probe along the supply return contact.
C. Turn the key start switch and the disconnect switch ON.
D. Observe the voltage measurement.
The voltage measurement is in the range of 8.0 0.5 VDC. OK - The voltage measurement is in the range of 8.0 0.5 VDC.
Proceed to Test Step 9.
NOT OK - The voltage measurement is greater than 8.0 0.5 VDC. The power supply voltage is above normal.
Proceed to Test Step 3.
3. Check The ECM Power Supply At The ECM With The Circuit Disconnected
A. Turn the key start switch and the disconnect switch OFF.
B. At the ECM harness connector, remove the power supply positive circuit from the connector body.
C. Turn the key start switch and the disconnect switch ON.
D. At the connector, measure the supply voltage with the circuits disconnected. Insert the multimeter probes at the positive contact and at the return contact.
E. Measure the voltage.
The voltage measurement is in the range of 8.0 0.5 VDC. OK - The voltage measurement is in the range of 8.0 0.5 VDC. The voltage is correct.
Proceed to Test Step 4.
NOT OK - The voltage measurement is greater than 8.0 0.5 VDC.
Proceed to Test Step 9.
4. Check For A Short
A. Turn the key start switch and the disconnect switch OFF.
B. Disconnect the harness connector from the sensor and ECM.
C. At the harness connector for the ECM,
The sensor supply or the ground circuit in the machine harness is open.
The signal circuit in the machine harness is shorted to another circuit.
The signal circuit in the machine harness is open or the sensor is disconnected.
The sensor has failed.
The ECM has failed. An ECM failure is unlikely.Possible causes for an FMI 4 diagnostic code are:
The signal circuit in the machine harness is shorted to ground.
The sensor has failed.
The ECM has failed. An ECM failure is unlikely.
Illustration 2 g03521702
Schematic of the Sensor Supply
Note: The diagram above is a simplified schematic of the Implement ECM and the Sensor Supply connections. The schematic is electrically correct. However, not all of the possible harness connectors are shown. Refer to the latest revision for the complete schematic.Diagnostic Trouble Code Procedure
Note: Prior to beginning this procedure, inspect the harness connectors that are involved in this circuit. Poor connections can often be the cause of a problem in an electrical circuit. Verify that all connections in the circuit are clean, secure, and in good condition. If a problem with a connection is found, correct the problem and verify that the diagnostic code is active before performing a troubleshooting procedure.
Table 3
Troubleshooting Test Steps Values Results
1. Identify The Active FMI Code Associated With The Sensor Supply Circuit Code present FMI 3 diagnostic code, proceed to Test Step 2.
FMI 4 diagnostic code, proceed to Test Step 5.
Begin Process For FMI 3 Troubleshooting HERE
2. Check The Supply Voltage
A. Turn the key start switch and the disconnect switch OFF.
B. At the harness connector, insert the positive multimeter probe along the supply positive contact. Insert the negative multimeter probe along the supply return contact.
C. Turn the key start switch and the disconnect switch ON.
D. Observe the voltage measurement.
The voltage measurement is in the range of 8.0 0.5 VDC. OK - The voltage measurement is in the range of 8.0 0.5 VDC.
Proceed to Test Step 9.
NOT OK - The voltage measurement is greater than 8.0 0.5 VDC. The power supply voltage is above normal.
Proceed to Test Step 3.
3. Check The ECM Power Supply At The ECM With The Circuit Disconnected
A. Turn the key start switch and the disconnect switch OFF.
B. At the ECM harness connector, remove the power supply positive circuit from the connector body.
C. Turn the key start switch and the disconnect switch ON.
D. At the connector, measure the supply voltage with the circuits disconnected. Insert the multimeter probes at the positive contact and at the return contact.
E. Measure the voltage.
The voltage measurement is in the range of 8.0 0.5 VDC. OK - The voltage measurement is in the range of 8.0 0.5 VDC. The voltage is correct.
Proceed to Test Step 4.
NOT OK - The voltage measurement is greater than 8.0 0.5 VDC.
Proceed to Test Step 9.
4. Check For A Short
A. Turn the key start switch and the disconnect switch OFF.
B. Disconnect the harness connector from the sensor and ECM.
C. At the harness connector for the ECM,
Caterpillar parts catalog:
Parts cap Caterpillar catalog:
140M, 2384C, 242B3, 2484C, 24M, 257B3, 259B3, 2864C, 301.5, 302.5, 303.5, 304, 305, 305.5, 306, 307, 307B, 307C, 307D, 308C, 311D LRR, 311F LRR, 312, 312B L, 312C, 312D, 312D L, 312D2, 312D2 GC, 312D2...
215B, 215D, 216, 216B, 216B3, 219D, 225, 225D, 226B, 226B3, 228, 229, 229D, 231D, 232B, 235B, 235C, 235D, 236, 236B, 236B3, 236D, 242B, 242B3, 242D, 245B, 246C, 246D, 247, 247B, 247B3, 248, 252B, 252B...
1090, 1190, 1190T, 120H, 120M, 120M 2, 1290T, 12H, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 140H, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14M, 160H, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 16H, 16M, 216B, ...
1614357
CAP
301.5, 302.5, 303.5, 304.5, 416C, 426C, 436C
301.5, 302.5, 303.5, 304.5, 416C, 426C, 436C
1090, 1190, 1190T, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 1290T, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 135H NA, 1390, 140G, 140H, 140H ES, 140H NA, 140K, 140...
216, 216B, 216B3, 226B, 226B3, 232B, 242B, 247B, 247B3, 257B, 3003, 301.5, 3011C, 3013, 3013C, 3014, 302.5, 3024, 3024C, 303.5, 304.5, 902, AP-255E, BB-621C, C1.1, C1.5, C1.6, C2.2, CB-14, CB-214D, CB...
1535404
CAP AS-BEARING
3003, 301.5
3003, 301.5
2124344
CAP AS-FILLER
301.5, 301.6C, 302.5C
301.5, 301.6C, 302.5C
2141446
CAP-DUST
301.5, 301.6C, 301.7D, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 613C II, AP-600D, AP-655D, AS4252C
301.5, 301.6C, 301.7D, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 613C II, AP-600D, AP-655D, AS4252C
2141447
CAP-DUST
301.5, 301.6C, 301.7D, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 613C II
301.5, 301.6C, 301.7D, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 613C II
1883213
CAP
301.5
301.5
6C4016
CAP
231D, 235C, 301.5, 301.6C, 302.5, 302.5C, 303.5, 304.5, 322B L, 325, 325 L, 325B L, 330, 330B L, 345B, 345B II, 345B II MH, 345B L, 350, 350 L, 375, 375 L, 385B, 5080, 5110B, 725, 730, 770, 772, 902, ...
231D, 235C, 301.5, 301.6C, 302.5, 302.5C, 303.5, 304.5, 322B L, 325, 325 L, 325B L, 330, 330B L, 345B, 345B II, 345B II MH, 345B L, 350, 350 L, 375, 375 L, 385B, 5080, 5110B, 725, 730, 770, 772, 902, ...
1404238
CAP AS
301.5, 301.6C, 302.5, 302.5C, 303, 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304, 304.5, 304D CR, 304E, 901C, 902C, 903C
301.5, 301.6C, 302.5, 302.5C, 303, 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304, 304.5, 304D CR, 304E, 901C, 902C, 903C
6C6359
CAP
318B, 318C, 320 L, 320B, 322 LN, 322B LN, 325 L, 325 LN, 325B L, 325C, 330 L, 330B L, 345B L
318B, 318C, 320 L, 320B, 322 LN, 322B LN, 325 L, 325 LN, 325B L, 325C, 330 L, 330B L, 345B L
1184804
CAP
315B, 315C, 317B LN, 318B, 933, 933C, 939C, D3C III, D4C III, D5C III, D5G
315B, 315C, 317B LN, 318B, 933, 933C, 939C, D3C III, D4C III, D5C III, D5G
1184795
CAP
303.5C, 304C CR, 304D CR, 305C CR, 315, 315B, 315C, 317B LN, 318B, 933, 933C, 939C, D3C III, D4C III, D5C III, D5G
303.5C, 304C CR, 304D CR, 305C CR, 315, 315B, 315C, 317B LN, 318B, 933, 933C, 939C, D3C III, D4C III, D5C III, D5G
1184742
CAP
305.5, 306, 307D, 315, 315B, 315C, 317B LN, 318B, 933, 933C, 939C, D3C III, D3G, D4C III, D4G, D5C III, D5G
305.5, 306, 307D, 315, 315B, 315C, 317B LN, 318B, 933, 933C, 939C, D3C III, D3G, D4C III, D4G, D5C III, D5G
1146875
CAP
315, 315B, 315C, 317B LN, 318B, 933, 933C, 939, 939C, D3C III, D3G, D4C III, D4G, D5C III, D5G
315, 315B, 315C, 317B LN, 318B, 933, 933C, 939, 939C, D3C III, D3G, D4C III, D4G, D5C III, D5G
1521601
CAP
301.5, 302.5
301.5, 302.5
2141447
CAP-DUST
301.5, 301.6C, 301.7D, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 613C II
301.5, 301.6C, 301.7D, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 613C II
2141446
CAP-DUST
301.5, 301.6C, 301.7D, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 613C II, AP-600D, AP-655D, AS4252C
301.5, 301.6C, 301.7D, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 613C II, AP-600D, AP-655D, AS4252C
1612561
CAP-DUST
300.9D, 301.4C, 301.5, 301.6C, 302.7D, 303, 303.5C, 303.5D, 303.5E, 303C CR, 304, 304C CR, 304D CR, 304E, 305, 305.5D, 305.5E, 305C CR, 305D CR, 305E, 307D, 308D, 308E, 308E2 CR, 613C II, 613G, 906H, ...
300.9D, 301.4C, 301.5, 301.6C, 302.7D, 303, 303.5C, 303.5D, 303.5E, 303C CR, 304, 304C CR, 304D CR, 304E, 305, 305.5D, 305.5E, 305C CR, 305D CR, 305E, 307D, 308D, 308E, 308E2 CR, 613C II, 613G, 906H, ...
1612560
CAP-DUST
300.9D, 301.4C, 301.5, 301.6C, 302.7D, 303, 303.5C, 303.5D, 303.5E, 303C CR, 304, 304C CR, 304D CR, 304E, 305, 305.5D, 305.5E, 305C CR, 305D CR, 305E, 307D, 308D, 308E, 308E2 CR, 613C II, 906H, 906H2,...
300.9D, 301.4C, 301.5, 301.6C, 302.7D, 303, 303.5C, 303.5D, 303.5E, 303C CR, 304, 304C CR, 304D CR, 304E, 305, 305.5D, 305.5E, 305C CR, 305D CR, 305E, 307D, 308D, 308E, 308E2 CR, 613C II, 906H, 906H2,...
2124344
CAP AS-FILLER
301.5, 301.6C, 302.5C
301.5, 301.6C, 302.5C