6Y2125 SHOE-TRACK Caterpillar parts
325 L, 325 LN, OEMS
Rating:
Alternative (cross code) number:
CA6Y2125
6Y-2125
6Y2125
CA6Y2125
6Y-2125
6Y2125
Weight: 41 pounds 18 kg.
EXCAVATOR, UNDERCARRIAGE,
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$97.81
20 May 2022
US: Florida-Parts-Z
6Y2125 - Shoe 24 3/GR - 325L/LN fits Caterpillar (CAT)
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Information:
Possible causes for an FMI 3 diagnostic code are:
The power supply circuit for the sensor is open.
The return circuit is open.
The signal circuit is open or the sensor is disconnected.
The signal circuit is shorted to the sensor power supply.
The sensor has failed.
The sensor was activated in Cat ET when the component is not on the machine.
The ECM has failed. This situation is unlikely.Possible causes for an FMI 4 diagnostic code are:
The signal circuit for the sensor is shorted to ground.
The sensor has failed.
The ECM has failed. A failure of the ECM is unlikely.
Illustration 1 g03651868
Schematic for the Analog, Active Sensors associated with the Transmission ECM.
Note: The diagram above is a simplified schematic of the ECM connections. The schematic is electrically correct, however all possible harness connectors are not shown. Refer to the latest revision of: Electrical Schematic , UENR4996, "844K Wheel Dozer (T4F) Electrical System Schematic" for the complete schematic.Electrical Schematic , UENR1697, "844K Wheel Dozer (LRC) Electrical System Schematic" for the complete schematic.Diagnostic Trouble Code Procedure
Note: Before performing this procedure, inspect the harness connectors that are involved in the 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 this diagnostic code is active before performing this procedure.
Table 2
Troubleshooting Test Steps Values Results
1. Identify Active DTC Code Associated With Sensor Circuit
A. Use Cat ® ET to confirm all logged diagnostic codes for the machine.
B. Compare the codes to the codes listed in the tables above.
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 at the Sensor
A. Turn key start switch and disconnect switch ON.
B. Disconnect the machine harness from sensor.
C. Refer to the schematic to determine the voltage source for the suspected faulty sensor.
D. Measure voltage between supply and return contacts at the machine harness connector for the sensor.
Voltage is 5 0.3 VDC. OK - The voltage reading is correct for the suspected faulty sensor.
Proceed to Test Step 3.
STOP
NOT OK - The voltage is NOT correct for the circuit.
Repair: If there is an active DTC 41, troubleshoot the code. If there is not an active DTC 41, replace the circuit breaker associated with the sensor.
3. Check For An Open In The Sensor Circuit
A. The sensor remains disconnected from the machine harness.
B. Turn the key start switch and the disconnect switch OFF.
C. At the harness connector for the sensor, place a jumper wire between the signal contact and frame ground.
D. Disconnect J1 and J2 harness connectors from the ECM.
E. At machine harness connector for ECM, measure the resistance from the signal contact for the sensor to frame ground.
F. Gently pull on the wire and move the wire in a circular motion at ECM connector and observe the resistance readings. Repeat the process for the sensor
The power supply circuit for the sensor is open.
The return circuit is open.
The signal circuit is open or the sensor is disconnected.
The signal circuit is shorted to the sensor power supply.
The sensor has failed.
The sensor was activated in Cat ET when the component is not on the machine.
The ECM has failed. This situation is unlikely.Possible causes for an FMI 4 diagnostic code are:
The signal circuit for the sensor is shorted to ground.
The sensor has failed.
The ECM has failed. A failure of the ECM is unlikely.
Illustration 1 g03651868
Schematic for the Analog, Active Sensors associated with the Transmission ECM.
Note: The diagram above is a simplified schematic of the ECM connections. The schematic is electrically correct, however all possible harness connectors are not shown. Refer to the latest revision of: Electrical Schematic , UENR4996, "844K Wheel Dozer (T4F) Electrical System Schematic" for the complete schematic.Electrical Schematic , UENR1697, "844K Wheel Dozer (LRC) Electrical System Schematic" for the complete schematic.Diagnostic Trouble Code Procedure
Note: Before performing this procedure, inspect the harness connectors that are involved in the 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 this diagnostic code is active before performing this procedure.
Table 2
Troubleshooting Test Steps Values Results
1. Identify Active DTC Code Associated With Sensor Circuit
A. Use Cat ® ET to confirm all logged diagnostic codes for the machine.
B. Compare the codes to the codes listed in the tables above.
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 at the Sensor
A. Turn key start switch and disconnect switch ON.
B. Disconnect the machine harness from sensor.
C. Refer to the schematic to determine the voltage source for the suspected faulty sensor.
D. Measure voltage between supply and return contacts at the machine harness connector for the sensor.
Voltage is 5 0.3 VDC. OK - The voltage reading is correct for the suspected faulty sensor.
Proceed to Test Step 3.
STOP
NOT OK - The voltage is NOT correct for the circuit.
Repair: If there is an active DTC 41, troubleshoot the code. If there is not an active DTC 41, replace the circuit breaker associated with the sensor.
3. Check For An Open In The Sensor Circuit
A. The sensor remains disconnected from the machine harness.
B. Turn the key start switch and the disconnect switch OFF.
C. At the harness connector for the sensor, place a jumper wire between the signal contact and frame ground.
D. Disconnect J1 and J2 harness connectors from the ECM.
E. At machine harness connector for ECM, measure the resistance from the signal contact for the sensor to frame ground.
F. Gently pull on the wire and move the wire in a circular motion at ECM connector and observe the resistance readings. Repeat the process for the sensor
Caterpillar parts catalog:
Parts shoe Caterpillar catalog:
1140, 1150, 1160, 120G, 120M, 12E, 12G, 12H, 12H ES, 12H NA, 12M, 130G, 140G, 140H, 140H ES, 140H NA, 140M, 143H, 14E, 14G, 14H, 14H NA, 14M, 160G, 160H, 160H ES, 160H NA, 160M, 163H, 163H NA, 1673, 1...
315, 315B, 315B FM L, 315B L, 315C, 315D L, 316E L, 317, 317B LN, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320B FM LL, 320B U, 320C, 320C FM, 320D, 320D GC, 320D L, 320D...
315, 315B L, 315C, 315D L, 317, 317B LN, 318B, 318C, 318E L, 319D L, 319D LN, 320, 320 L, 320B, 320B FM LL, 320B U, 320C, 320C FM, 320D, 320D FM, 320D L, 320D LRR, 320D RR, 320D2, 320D2 L, 320E, 320E ...
311, 311B, 315B L, 317, 317B LN, 318B, 318C, 319D, 320, 320 L, 320B, 320B FM LL, 320B L, 320B U, 320C, 320C FM, 320C L, 320D, 320D L, 320D LRR, 320D RR, 320N, 321B, 321C, 321D LCR, 322, 322 FM L, 322 ...
312D, 325C, 328D LCR, 330, 330 FM L, 330B, 330B L, 330C, 330C L, 330C MH, 330D, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336E, 336E H, 336E L, 336E LH, 336E LN, OEMS
322 FM L, 322B L, 322C, 325, 325 L, 325 LN, 325B, 325B L, 325C, 325D, 325D L, 329D, 329D L, 329D LN, 329E, 329E L, 329E LN, 336D L, 345C, OEMS
322C, 325, 325 L, 325 LN, 325B, 325B L, 325C, 325C L, 325D, 325D L, 325D MH, 329D, 329D L, 329D LN, 329E, 329E LN, OEMS
325C, 328D LCR, 330, 330 FM L, 330 L, 330B, 330B L, 330C, 330C L, 330C MH, 330D L, 336D, 336D L, 336E L, 336E LH, 336E LN, 336F L, OEMS
325C, 330, 330 FM L, 330B, 330B L, 330C, 330C L, 330C MH, OEMS
1210138
SHOE-TRACK
325 L, 325B L, 325C, 325D, 325D L, 329D L, 329D LN, 329E L, 329E LN
325 L, 325B L, 325C, 325D, 325D L, 329D L, 329D LN, 329E L, 329E LN
1210137
SHOE-TRACK
325 L, 325B L, 325C, 325D, 325D L, 329D, 329D L, 329D LN, 329E LN
325 L, 325B L, 325C, 325D, 325D L, 329D, 329D L, 329D LN, 329E LN
6Y5662
SHOE-TRACK
325, 325 L, 325 LN
325, 325 L, 325 LN
6I9893
SHOE-TRACK
330, 330 FM L, OEMS
330, 330 FM L, OEMS
8E4501
SHOE-TRACK
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1259106
SHOE-TRACK
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3Q6553
SHOE-TRACK
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325C, 330, 330 FM L, 330B, 330B L, 330C, 330C L, 330C MH, OEMS
1834634
SHOE-TRACK
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1686983
SHOE-TRACK
OEMS
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9Q5601
SHOE-TRACK
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6Y2756
SHOE-TRACK
330, 330 L, OEMS
330, 330 L, OEMS
1Q4752
SHOE-TRACK
OEMS
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1265065
SHOE-TRACK
325, 325 L, 325B L, 325C, 325C FM, 325D L, 329D, 329D L, 329E, OEMS
325, 325 L, 325B L, 325C, 325C FM, 325D L, 329D, 329D L, 329E, OEMS