2977656 PIPE Caterpillar parts
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
Rating:
Alternative (cross code) number:
CA2977656
297-7656
2977656
CA2977656
297-7656
2977656
Weight: 0.88 pounds 0 kg.
EXCAVATOR, MOBILE HYD POWER UNIT,
Compatible equipment models: 2977656:
Number on catalog scheme:
13
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Information:
Illustration 1 g01873494
Suspension cylinder pressure sensor circuit
This diagnostic code indicates the VIMSTM Application ECM detects the Right Front Strut Pressure sensor signal has an abnormal frequency, pulse width, or period.The output frequency of the sensor changes as the pressure in the suspension cylinder changes. The sensor is powered by the machine electrical system.Note: In addition to the “Suspension Cylinder Pressure Sensor” troubleshooting procedure, the VIMS diagnostics are helpful in troubleshooting other sensors.Use this procedure to troubleshoot the suspension cylinder pressure sensors or any failure associated with the suspension cylinder pressure sensors.Note: This test checks for sensor voltages at the sensor when all the circuits are connected. Unless directed otherwise, do not disconnect any components. Troubleshoot the circuit “as is” before disconnecting any components. Use a calibrated digital multimeter for this procedure.Test Step 1. CHECK THE SENSOR SUPPLY VOLTAGE
Locate the suspect sensor.
Identify the sensor wires and connector contacts. Do not disconnect any harness connectors.
Turn on the keyswitch. The truck can be empty or the truck can be loaded.
At the sensor connector, identify the +V and ground circuits.
Insert 7X-1710 Multimeter Probe leads beside the +V and ground circuit wires in the back of the connector for the sensor .
Measure the voltage. Expected Result:The voltage is between 22.0 DCV and 29.5 DCV.Results:
OK - The voltage is between 22.0 DCV and 29.5 DCV. Proceed to Test Step 2.
NOT OK - The voltage is not between 22.0 DCV and 29.5 DCV.Repair: Trace the +V and ground circuits in the harness. Perform one of the following:
Repair or replace the harness if the harness has failed.
Replace the sensor if the harness has not failed.STOPTest Step 2. CHECK THE SENSOR SIGNAL VOLTAGE
At the sensor connector, identify the signal and ground circuits.
Insert 7X-1710 Multimeter Probe leads beside the signal and ground circuit wires in the back of the connector for the sensor.
Measure the voltage. Expected Result:The voltage is between 1.0 DCV and 9.0 DCV. Results:
OK - The voltage is between 1.0 DCV and 9.0 DCV Proceed to Test Step 5.
NOT OK - The voltage is greater than 9.0 DCV Proceed to Test Step 3.
NOT OK - The voltage is less than 1.0 DCV. Proceed to Test Step 4.Test Step 3. CHECK THE SIGNAL CIRCUIT FOR A SHORT TO +BATTERY
Disconnect the sensor from the harness.
At the harness connector for
Caterpillar parts catalog:
Parts pipe Caterpillar catalog:
311, 311B, 311D LRR, 312, 312B, 312D, 312D L, 313D, 314D CR, 314D LCR, 315D L, 318C, 318D L, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L...
318C, 319C, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D L, 320D LN, 320D LRR, 320D RR, 321B, 321C, 321D LCR, 323D L, 323D LN
1090, 1190, 1190T, 1290T, 315D L, 316E L, 318C, 318D L, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E ...
320B, 320C, 323D LN, 323D SA, 323E L, 325B, 325B L, 325C, 325D, 325D L, 329D, 329D L, 329D LN, 329E, 329E L, 329E LN, OEMS
320D, 320D FM, 320D FM RR, 320D L, 320D LN, 320D LRR, 320D RR, 321C, 321D LCR
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
3061427
PIPE
320D, 320D L
320D, 320D L
3725210
PIPE-OIL
320D FM, HH44 DE, SAT223, SAT318T, SAT322
320D FM, HH44 DE, SAT223, SAT318T, SAT322
3055638
PIPE AS
525C, 535C, 545C
525C, 535C, 545C
2693407
PIPE
525C, 535C, 545C
525C, 535C, 545C
3248203
PIPE AS-EXTENSION
525C, 535C, 545C
525C, 535C, 545C
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA