2871842 PIN AS Caterpillar parts
315D L, 319D, 319D L, 319D LN
Rating:
Alternative (cross code) number:
CA2871842
287-1842
2871842
CA2871842
287-1842
2871842
Weight: 51 pounds 23 kg.
EXCAVATOR,
Number on catalog scheme:
12
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Information:
Illustration 1 g02157398
Schematic of the service brake accumulator pressure sensorThe diagnostic code is recorded when brake ECM reads a duty cycle or frequency from sensor that is outside of normal operating range.Note: This diagnostic code is usually an intermittent condition. The diagnostic code may be active or the diagnostic code may not be active.The possible causes of this diagnostic code are listed below:
The sensor may have failed.
The signal circuit is shorted to the battery or shorted to the ground connection intermittently.
The signal circuit is open intermittently or the sensor is disconnected.
The ECM has failed. ECM failure is unlikely. Note: The following test procedure may create other diagnostic codes. Ignore these created diagnostic codes and clear the diagnostic codes when the original diagnostic code has been corrected. Ensure that the diagnostic code of CID 1961 FMI 08 is active before performing this procedure.Test Step 1. INSPECT THE HARNESS CONNECTIONS
Turn the keyswitch and the disconnect switch to the OFF position.
Inspect all harness connections that are related to the sensor. Make sure that the connections are clean and tight.
Check the connections for proper mating. Ensure that all the seals are present and in place.
Check the harness for signs of damage or abrasion.
Check the wires at the connector. Ensure that the wires are secured tightly into the connector.
Perform a 45 (10) pull test on each of the wires that are associated with the circuit. Take care not to pull the wire out of the connector.
Check the exposed wires at the connectors for nicks or signs of abrasion.
Check for moisture inside the connector.
Check the connectors for dirty contacts or corroded contacts.
Check each pin and each socket of the harness connectors. Ensure that the contacts are properly installed. The contacts should mate correctly when the two pieces of the connector are placed together.Expected Result:The harness connectors are tight and free of corrosion.Results:
OK - The harness connectors are tight and free of corrosion. Proceed to Test Step 3.
NOT OK - The harness connectors are in need of repair.Repair: Repair the harness or replace the harness.STOPTest Step 2. CHECK THE CIRCUIT FOR AN OPEN
Turn the disconnect switch and the keyswitch to the OFF position.
Disconnect the harness from the sensor.
At the harness connector for the sensor, install a wire (jumper) between contact 1 and contact 2 of the harness.
Disconnect the harness connector J2 from the brake ECM.
At the J1 connector for the harness, measure the resistance from contact J1-45 (wire A235-BK) to the voltage supply (wire C985-BU).Expected Result:The resistance should measure 5 ohms or less.Results:
YES - The resistance is 5 ohms or less. The harness is correct. Proceed to Test Step 3.
NO - The resistance is greater than 5 ohms. There is an open circuit in the harness. The open circuit is in wire (A235-BK) or wire (C985-BU).Repair: Repair or replace the harness.STOPTest Step 3. CHECK THE SENSOR FOR AN OPEN
Turn the keyswitch and the disconnect switch to the OFF position.
Remove the jumper-wire that was used in the previous test step.
Remove the sensor from the harness. Insert a
Caterpillar parts catalog:
Parts pin Caterpillar catalog:
115, 315, 315B, 315B L, 315C, 315D L, 316E L, 317, 317B LN, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D LN, 320B, 320C, 320C L, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320D2 GC, 320...
318B, 318C, 319D, 319D L, 319D LN, 320B, 320B L, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, ...
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 U, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, ...
311C, 313D2 LGP, 315C, 315D L, 316E L, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR,...
318B, 318C, 318E L, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 320B FM LL, 320B L, 320B U, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC...
318B, 318C, 319C, 319D, 320 L, 320B, 320C, 322 LN, 322B LN, 322C, 325B L, 325C, 330B L, 330C, 345B II, 345B L
318B, 318C, 319C, 319D, 319D L, 319D LN, 320B, 320B L, 320C, 320C FM, 320C L, 321B, 321C, 322, 322 FM L, 322B L, 322C, 325, 325 L, 325 LN, 325B L, 325C, 325C L, 330B L, 330C, 330D L, 345B II, 345B L
318B, 319D, 319D LN, 320 L, 322 LN, 322B LN, 322C, 323D L, 323D LN, 325 LN
318B, 318C, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 320C, 320D, 320E LN, 320N, 322B LN, 323D L, 323D LN, 323D SA, 323D2 L, 323E L, 345B II, 345B L, 5080
318B, 318C, 319D, 319D L, 319D LN, 320B, 320B L, 320C, 320C FM, 320C L, 321B, 321C, 322, 322 FM L, 322B L, 322C, 325, 325 L, 325 LN, 325B L, 325C, 325C L, 330D L
311, 311B, 311C, 311D LRR, 312B, 312C, 312C L, 312D, 312D L, 313D, 314C, 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 F...
301.6C, 302.5C, 303, 304, 311D LRR, 312D, 312D L, 313D, 314D CR, 314D LCR, 315D L, 318D L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D...
3484330
PIN
319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320E, 320E L, 320E LN, 320E LRR, 321D LCR, 323D L, 323D LN, 323D SA, 323E L, PIN GRAB
319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320E, 320E L, 320E LN, 320E LRR, 321D LCR, 323D L, 323D LN, 323D SA, 323E L, PIN GRAB
3496114
PIN
319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320E, 320E L, 320E LN, 320E LRR, 321D LCR, 323D L, 323D LN, 323D SA, 323E L, PIN GRAB
319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320E, 320E L, 320E LN, 320E LRR, 321D LCR, 323D L, 323D LN, 323D SA, 323E L, PIN GRAB
2957974
PIN
319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA, PIN GRAB
319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA, PIN GRAB
2957964
PIN
319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320E, 320E L, 320E LN, 320E LRR, 321D LCR, 323D L, 323D LN, 323D SA, 323E L, PIN GRAB
319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320E, 320E L, 320E LN, 320E LRR, 321D LCR, 323D L, 323D LN, 323D SA, 323E L, PIN GRAB
3038865
PIN AS
319D L, 319D LN
319D L, 319D LN
2670039
PIN AS
316E L, 318E L, 319D L, 319D LN
316E L, 318E L, 319D L, 319D LN
2586391
PIN AS
M313D, M315D, M315D 2, M316D, M317D 2, M318D, M318D MH, M322D, M322D MH
M313D, M315D, M315D 2, M316D, M317D 2, M318D, M318D MH, M322D, M322D MH
2586358
PIN AS
M313D, M315D, M315D 2, M316D, M317D 2, M318D, M318D MH, M322D MH
M313D, M315D, M315D 2, M316D, M317D 2, M318D, M318D MH, M322D MH
2343295
PIN
M313D, M315D, M316D, M318D, M318D MH, M322D, M322D MH
M313D, M315D, M316D, M318D, M318D MH, M322D, M322D MH
2463033
PIN AS
M313D, M315D, M316D
M313D, M315D, M316D
2603592
PIN AS
M313D, M315D, M316D, M318D
M313D, M315D, M316D, M318D
2834161
PIN
312D, 315D L, 319D, 323D L, 323D LN, 324D, 324D L, 324D LN, 325D, 325D L, 329D L, 330D, 330D L, 330D LN, 330D MH, 336D L, 336D LN, 345C, 345C L, 345D, 345D L, 365C, 365C L, 365C L MH, 374D L, 385C, 38...
312D, 315D L, 319D, 323D L, 323D LN, 324D, 324D L, 324D LN, 325D, 325D L, 329D L, 330D, 330D L, 330D LN, 330D MH, 336D L, 336D LN, 345C, 345C L, 345D, 345D L, 365C, 365C L, 365C L MH, 374D L, 385C, 38...