2977791 MUFFLER Caterpillar parts
320D, 320D FM RR, 320D LN, 321D LCR, 323D L
Rating:
Alternative (cross code) number:
CA2977791
297-7791
2977791
CA2977791
297-7791
2977791
Weight: 48 pounds 21 kg.
EXCAVATOR,
Compatible equipment models: 2977791:
Number on catalog scheme:
1
For full view, you need register
Information:
Illustration 1 g02792319
Data-link schematic
This diagnostic code is recorded when the VIMSTM 3G Main ECM does not receive expected information from the Brake ECM at the correct rate. The information is transmitted through the Cat® data-link.System Response:This failure results in events that are logged against the Brake ECM that cannot be explained. The VIMS 3G Main ECM cannot communicate with the Brake ECM or the Brake ECM appears to communicate intermittently.Test Step 1. VERIFY THE HARDWARE AND THE SOFTWARE PART NUMBERS
Verify that the following information is correct:
VIMS 3G Main ECM onboard software part number
Brake ECM flash software part number
VIMS 3G Main ECM part number
Brake ECM part numberNote: For the correct part configuration software numbers, consult the business unit that produces the product.Expected Result:All part numbers are correct. Results:
OK - All part numbers are correct. Proceed to Test Step 2.
NOT OK - All part numbers are not correct. Repair: Replace the incorrect VIMS 3G Main ECM or the Brake ECM with an ECM that has the correct part number. See Testing and Adjusting, "Electronic Control Module (ECM) - Replace". Flash the correct configuration software. See Testing and Adjusting, "Electronic Control Module (ECM) - Flash Program".STOPTest Step 2. INSPECT THE HARNESS
Turn off the disconnect switch.
Inspect Cat data-link harness for the following:
Inspect the connectors, pins, and sockets for the following:
Cleanliness
Security
Proper mating
Seal condition
Moisture
Corrosion
Inspect the wires at the connector for the following:
Security
Nicks
AbrasionNote: Take care not to pull the wire out of the connector.
Inspect the harness for the following:
Damage
Abrasion
KinksExpected Result:The harness is in good condition.Results:
OK - The harness is in good condition. Proceed to Test Step 3.
NOT OK - The harness is not in good condition.Repair: Repair or replace the harness. STOPTest Step 3. CHECK FOR SHORTS TO GROUNDThe disconnect switch remains off.
Disconnect all ECMs from the Cat data-link.
At the VIMS 3G Main ECM harness, measure
Caterpillar parts catalog:
Parts muffler Caterpillar catalog:
320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
2977745
MUFFLER GP
320D, 320D FM RR, 320D LN, 321D LCR, 323D L
320D, 320D FM RR, 320D LN, 321D LCR, 323D L
3244173
MUFFLER GP
320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
2964662
MUFFLER GP
320D, 320D FM, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D LN, 323D SA
320D, 320D FM, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D LN, 323D SA
320D, 320D FM, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D LN
345C, 345C MH, 345D L, 349D L, W345C MH
324D L, 324D LN, 325D, 325D L, 329D L, 329D LN, M325D L MH, M325D MH
323D L, 323D LN
2473408
MUFFLER AS
1390, 2590, 541, 541 2, 551, 552, 552 2, TK741, TK751, TK752
1390, 2590, 541, 541 2, 551, 552, 552 2, TK741, TK751, TK752
2059880
MUFFLER AS
1090, 1190, 1190T, 1290T, 2290, 2390, 2391, 2491, 511, 521, 521B, 522, 522B, 532, TK711, TK721, TK722, TK732
1090, 1190, 1190T, 1290T, 2290, 2390, 2391, 2491, 511, 521, 521B, 522, 522B, 532, TK711, TK721, TK722, TK732
320D, 320D LRR, 321C
3602695
MUFFLER AS
320D GC, 320D L, 323D L
320D GC, 320D L, 323D L
320 L, 320D GC, 320D L, 323D L
2971711
MUFFLER AS
14M, 16M, 586C
14M, 16M, 586C
3383063
MUFFLER
584
584
320D, 320D FM, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D LN
3061429
MUFFLER AS
320D, 320D L
320D, 320D L