2921624 BASE GP-FUEL TANK Caterpillar parts
C9
Rating:
Alternative (cross code) number:
CA2921624
292-1624
2921624
CA2921624
292-1624
2921624
Weight: 2905 pounds 1317 kg.
GENERATOR SET,
Compatible equipment models: 2921624:
Number on catalog scheme:
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Information:
Test Procedure
Table 3
Tools Needed
9U-7330 Multimeter
Multimeter is optional for frequency and duty cycle measurements. 1
7X-1710 Multimeter Probe Group 1 This procedure requires the measurement of the frequency and duty cycle of the sensor signal. Use the 9U-7330 Digital Multimeter in order to measure the frequency and the duty cycle. In order to measure frequency, turn the rotary switch to AC volts. Then, press the "HZ" button once. In order to measure the duty cycle, turn the rotary switch to AC volts and press the "HZ" button twice.Note: The 6V-7070 Digital Multimeter does not measure the frequency or the duty cycle. However, the DC voltages are listed in the Sensor Specifications chart as an alternative to measuring the frequency and the duty cycle. The 6V-7070 Digital Multimeter can be used for measurements of the DC voltage.
Perform Initial Preparations.
Locate the suspect sensor.
Identify the sensor wires and connector contacts. See the preceding System Schematics.
DO NOT DISCONNECT ANY HARNESS CONNECTORS AT THIS TIME.
Use the 7X-1710 Multimeter Probe in order to make future measurements by probing through the back of the harness connectors.
Check Sensor Supply Voltage.
Turn the engine control switch (ECS) to OFF/RESET. Then, turn the ECS to STOP.
Measure the sensor supply voltage at the sensor connector. Perform the measurement from contact "A" to contact "B" on the sensor connector.Expected Result: The voltage should be from 7.5 to 8.5 DCV.Results:
OK - The voltage is from 7.5 to 8.5 DCV. Proceed to 4.
NOT OK - The voltage is equal to battery positive. The sensor supply is shorted to battery positive in the engine harness. Troubleshoot and repair the engine harness. STOP.
NOT OK - The voltage is not from 7.5 to 8.5 DCV and the voltage is not equal to battery positive. Proceed to 3.
Check The Status Of The Fault.Observe the GSC display.Expected Result: A CID 269 is active.Results:
OK - A CID 269 is active. Go to the procedure in Testing And Adjusting, "Troubleshooting Diagnostic Codes". STOP.
NOT OK - A CID 269 is NOT active. The harness is faulty. Troubleshoot and repair the harness. STOP.
Check The Sensor Signal.The ECS remains in the STOP position.
Measure the frequency and the duty cycle of the signal at the sensor connector. Conduct the measurements from contact "C" to contact "B" of the sensor connector.
Make a note of the measurements.Expected Result: The measured frequency and duty
Table 3
Tools Needed
9U-7330 Multimeter
Multimeter is optional for frequency and duty cycle measurements. 1
7X-1710 Multimeter Probe Group 1 This procedure requires the measurement of the frequency and duty cycle of the sensor signal. Use the 9U-7330 Digital Multimeter in order to measure the frequency and the duty cycle. In order to measure frequency, turn the rotary switch to AC volts. Then, press the "HZ" button once. In order to measure the duty cycle, turn the rotary switch to AC volts and press the "HZ" button twice.Note: The 6V-7070 Digital Multimeter does not measure the frequency or the duty cycle. However, the DC voltages are listed in the Sensor Specifications chart as an alternative to measuring the frequency and the duty cycle. The 6V-7070 Digital Multimeter can be used for measurements of the DC voltage.
Perform Initial Preparations.
Locate the suspect sensor.
Identify the sensor wires and connector contacts. See the preceding System Schematics.
DO NOT DISCONNECT ANY HARNESS CONNECTORS AT THIS TIME.
Use the 7X-1710 Multimeter Probe in order to make future measurements by probing through the back of the harness connectors.
Check Sensor Supply Voltage.
Turn the engine control switch (ECS) to OFF/RESET. Then, turn the ECS to STOP.
Measure the sensor supply voltage at the sensor connector. Perform the measurement from contact "A" to contact "B" on the sensor connector.Expected Result: The voltage should be from 7.5 to 8.5 DCV.Results:
OK - The voltage is from 7.5 to 8.5 DCV. Proceed to 4.
NOT OK - The voltage is equal to battery positive. The sensor supply is shorted to battery positive in the engine harness. Troubleshoot and repair the engine harness. STOP.
NOT OK - The voltage is not from 7.5 to 8.5 DCV and the voltage is not equal to battery positive. Proceed to 3.
Check The Status Of The Fault.Observe the GSC display.Expected Result: A CID 269 is active.Results:
OK - A CID 269 is active. Go to the procedure in Testing And Adjusting, "Troubleshooting Diagnostic Codes". STOP.
NOT OK - A CID 269 is NOT active. The harness is faulty. Troubleshoot and repair the harness. STOP.
Check The Sensor Signal.The ECS remains in the STOP position.
Measure the frequency and the duty cycle of the signal at the sensor connector. Conduct the measurements from contact "C" to contact "B" of the sensor connector.
Make a note of the measurements.Expected Result: The measured frequency and duty
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