3852927 STOP Caterpillar parts
315D L, 316E L, 318D L, 318D2 L, 318E L
Rating:
Alternative (cross code) number:
CA3852927
385-2927
3852927
CA3852927
385-2927
3852927
Weight: 1 pounds 0 kg.
EXCAVATOR,
Information:
Table 1
Diagnostic Trouble Code for NRS Mass Flow Rate Problem    
J1939 Code    Description    Notes    
2659-7     Engine Exhaust Gas Recirculation (EGR) Mass Flow Rate : Not Responding Properly     Actual mass flow through the NOx Reduction System (NRS) does not match the desired mass flow.
The Electronic Control Module (ECM) has been powered for at least 2 seconds.
The engine is running.
There are no active codes for the 5 VDC supply.
There are no active 27, 157, 411, 1188, 2791, 3358 or 3563 codes.
412-3 or 412-4 codes are not active.
3464-7 code is not active.    
Illustration 1 g03082377
(1) Manifold for the NRS pressure sensors (2) NRS differential pressure sensor (3) NRS inlet pressure sensor (4) Pipe for the NRS inlet pressure sensor (5) Pipe for the NRS differential pressure sensor (6) NRS mixer (7) NRS inlet temperature sensorTest Step 1. Check for Associated Diagnostic Trouble Codes
Establish communication between the electronic service tool and the ECM. If necessary, refer to Troubleshooting, "Electronic Service Tools".
Check for diagnostic trouble codes that are associated with the NRS valve. Troubleshoot NRS valve faults before continuing with this procedure.Results:
There are no associated codes. - Proceed to Test Step 3.Test Step 2. Inspect the Electrical Connectors and the Harness
Turn the keyswitch to the OFF position.
Inspect the connectors for the components in the NRS system. Refer to Troubleshooting, "Electrical Connectors - Inspect".
Perform a 45 N (10 lb) pull test on each of the wires in any suspect connector and the connections at the ECM.
Check that the ground connection on the ECM and the negative terminal on the battery are correctly installed.
Check the ground connection on the ECM for abrasions and pinch points.
Check the screws for the ECM connector for the correct torque of 6 N m (53 lb in).
Check the harness for abrasion and pinch points from the NRS components to the ECM.
Check that any suspect connector is installed correctly.Expected Result:The electrical connectors and the cables are correctly installed.Results:
The harness is OK. - Proceed to Test Step 3.
Not OK - Repair: Repair the faulty connectors or the harness and/or replace the faulty connectors or the harness. Ensure that all of the seals are correctly in place and ensure that the connectors are correctly coupled.Use the electronic service tool in order to clear all logged diagnostic codes and then verify that the repair has eliminated the fault.STOPTest Step 3. Check the Air Inlet and Exhaust System
Check the air inlet system for leaks and for restrictions.
Check the exhaust system for leaks and for restrictions.
Test the exhaust back pressure regulator. Refer to Troubleshooting, "Motorized Valve - Test".Results:
There are no leaks in the air inlet system or the exhaust system. - Proceed to 4.
The air inlet system has a leak or is restricted. -
Caterpillar parts catalog:
Parts stop Caterpillar catalog:
4229140
STOP
315D L, 316E L, 318D2 L, 318E L
315D L, 316E L, 318D2 L, 318E L
4189042
STOP
315D L, 316E L, 318D L, 318D2 L, 318E L
315D L, 316E L, 318D L, 318D2 L, 318E L
2983257
STOP
311D LRR, 312D, 312D L, 314D CR, 314D LCR, 315D L, 318D L, 319D L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA, 324D, 324D FM, 324D FM LL...
311D LRR, 312D, 312D L, 314D CR, 314D LCR, 315D L, 318D L, 319D L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA, 324D, 324D FM, 324D FM LL...
3145911
STOP
308D
308D
3168933
STOP
308D, 308E CR, 308E SR, 312D, 312D L, 312E, 312E L, 314D CR, 314D LCR, 314E CR, 314E LCR, 315D L, 316E L, 318E L, 319D L, 319D LN, 320D, 320D L, 320D LRR, 320D RR, 320E, 320E L, 320E LN, 320E LRR, 320...
308D, 308E CR, 308E SR, 312D, 312D L, 312E, 312E L, 314D CR, 314D LCR, 314E CR, 314E LCR, 315D L, 316E L, 318E L, 319D L, 319D LN, 320D, 320D L, 320D LRR, 320D RR, 320E, 320E L, 320E LN, 320E LRR, 320...
3531940
STOP
308D, 308E CR, 308E SR, 314D CR, 314D LCR, 314E CR, 314E LCR, 321D LCR
308D, 308E CR, 308E SR, 314D CR, 314D LCR, 314E CR, 314E LCR, 321D LCR
3449366
STOP
M313D, M315D, M316D, M318D, M322D
M313D, M315D, M316D, M318D, M322D
3408345
STOP
M313D, M315D, M315D 2, M316D, M317D 2, M318D MH, M322D, M322D MH, M325D MH
M313D, M315D, M315D 2, M316D, M317D 2, M318D MH, M322D, M322D MH, M325D MH
4418126
STOP
M316D, M322D, M322D MH
M316D, M322D, M322D MH
2476849
STOP
312D, 315D L, 319D, 323D L, 323D LN, 324D, 324D L, 324D LN, 325C, 325D, 325D L, 329D L, 330C L, 330D, 330D L, 330D LN, 330D MH, 336D L, 336D LN, 345C, 345C L, 345D, 345D L, 365C, 365C L, 365C L MH, 37...
312D, 315D L, 319D, 323D L, 323D LN, 324D, 324D L, 324D LN, 325C, 325D, 325D L, 329D L, 330C L, 330D, 330D L, 330D LN, 330D MH, 336D L, 336D LN, 345C, 345C L, 345D, 345D L, 365C, 365C L, 365C L MH, 37...
2970366
STOP
311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313D, 313D2, 313D2 LGP, 314D CR, 314D LCR, 314E CR, 314E LCR, 315D L, 316E L, 318D L, 318D2 L, 318E L, 319D, 319D L, 319D LN
311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313D, 313D2, 313D2 LGP, 314D CR, 314D LCR, 314E CR, 314E LCR, 315D L, 316E L, 318D L, 318D2 L, 318E L, 319D, 319D L, 319D LN
3852909
STOP
315D L, 316E L, 318D L, 318D2 L, 318E L
315D L, 316E L, 318D L, 318D2 L, 318E L