2460639 KIT-SEAL- Caterpillar parts
Rating:
Alternative (cross code) number:
CA2460639
246-0639
2460639
CA2460639
246-0639
2460639
Weight: 0.84 pounds 0 kg.
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Information:
Illustration 10 g01240891
Sensor connector
(Terminal 1) Sensor supply
(Terminal 2) Sensor return
(Terminal 3) Signal
Illustration 11 g01159881
Connector for the ambient air temperature sensor
(Terminal 1) Sensor supply
(Terminal 2) Sensor return
(Terminal 3) Signal
Table 2
Troubleshooting Test Steps Values Results
1. Check for an Active Diagnostic Code
A. Connect Caterpillar Electronic Technician (ET) to the service tool connector.
B. Monitor the diagnostic codes on Cat ET. Check and record any diagnostic codes.
Note: Wait at least 30 seconds in order for the diagnostic codes to become active.
C. Determine if a diagnostic code has been logged several times.
Note: A diagnostic code that is logged several times is an indication of an intermittent problem. Most intermittent problems are the result of a bad connection between a socket and a pin in a connector or a bad connection between a wire and a crimp connection.
D. Look for one or more of the following diagnostic codes that are active or logged:
- 171-3
- 171-4
- 171-8
- 1491-3
- 1491-4
- 1491-8
- 1492-3
- 1492-4
- 1492-8
Active Codes
Results: No diagnostic codes are active.
Repair: If one of the codes listed are logged, there may be an intermittent problem in the harness or in a connector. If an intermittent electrical problem is suspected, refer to Troubleshooting, "Electrical Connectors - Inspect" for the correct procedures for inspecting electrical connectors.
Results: One of the diagnostic codes listed are active.
Repair: The ECM detects a problem in one of the circuits for the PWM sensors.
Proceed to Test Step 2.
2. Check the Digital Supply Voltage at the Sensor Connector
A. Remove the electrical power from the ECM.
B. Disconnect the suspect sensor at the sensor connector.
C. Restore the electrical power to the ECM.
D. Measure the supply voltage on the harness side of the sensor connector. Measure the voltage between the terminal that is for the supply voltage and the terminal that is for the return.
8.0 0.4 VDC
Results: The supply voltage is 8.0 0.4 VDC. The supply voltage is reaching the sensor connector.
Proceed to Test Step 4.
Results: The supply voltage
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