3509337 CYLINDER AS Caterpillar parts
324D, 324D L, 324E, 324E L, 324E LN, 326D L
Rating:
Alternative (cross code) number:
CA3509337
350-9337
3509337
CA3509337
350-9337
3509337
Weight: 187 pounds 85 kg.
EXCAVATOR,
Number on catalog scheme:
12
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Information:
Use this procedure to troubleshoot the electrical system if a problem is suspected with the CAN data link or the Cat Data Link. Also use this procedure if a diagnostic code in Table 1 is active or easily repeated.
Table 1
Diagnostic Codes
CDL Code Code Description Comments
533-9 Brake Control:Abnormal Update Rate The Electronic Control Module (ECM) has lost all communications with the brake ECM over the Cat Data Link.
The code is logged.
The check engine lamp is illuminated.
1273-9 Chassis Control Module:Abnormal Update Rate The ECM has lost all communications with the chassis ECM over the Cat Data Link.
The code is logged.
The check engine lamp is illuminated. Note: This procedure checks for an open or for a short in the data link circuits.If Caterpillar Electronic Technician (ET) will not communicate with the ECM, refer to Troubleshooting, "Electronic Service Tool Does Not Communicate" before you begin this procedure. The procedure will verify that electrical power is being supplied to the ECM and to the service tool connector.The data links are used to communicate information between the engine ECM and other control modules that are a part of the application. Cat ET also communicates with the ECM via the data links.The service tool connector contains connections for electrical power and for the data links.When the keyswitch is in the OFF position, Cat ET may communicate with the ECM. However, the communications may be disrupted and the communications may require frequent reconnection. In order to avoid this problem, place the keyswitch in the ON position when Cat ET is being used.Cat ET may display the following error message:"The version of the ECM is not recognized and the integrity of the changed parameters and displayed data is not guaranteed."This message indicates that one of the following conditions exist:
The flash file in the ECM is newer than the version of Cat ET.
The latest version of Cat ET has not been installed.
Illustration 1 g02138795
Schematic for the Cat Data Link
Illustration 2 g01672679
Terminal locations at the service tool connector
(Terminal A) +Battery
(Terminal B) −Battery
(Terminal C) CAN shield
(Terminal D) Cat Data Link +
(Terminal E) Cat Data Link −
(Terminal F) CAN data link −
(Terminal G) CAN data link +
Illustration 3 g01672676
Terminal locations at the P1 ECM connector that are for the data link
(P1-8) Cat Data Link +
(P1-9) Cat Data Link −
(P1-34) CAN data link −
(P1-42) CAN shield
(P1-48) +Battery
(P1-50) CAN data link +
(P1-52) +Battery
(P1-53) +Battery
(P1-61) −Battery
(P1-63) −Battery
(P1-65) −Battery
(P1-70) Keyswitch Test Step 1. Check for a Short Circuit in the Data Link Circuits
Turn the keyswitch to the OFF position.
Thoroughly inspect the connectors that are associated with the data link circuits. Refer to Troubleshooting, "Electrical Connectors - Inspect".
Disconnect the J1/P1 ECM connectors.
Disconnect Cat ET from the service tool connector.
Measure the resistance between the points that are listed in Table 2. Be sure to wiggle the wires in the harnesses as you make each resistance measurement.
Table 2
Resistance Measurements for the Cat Data Link
Connector and Terminal Terminal
P1-8 (Cat Data Link +) All of the other terminals on
Table 1
Diagnostic Codes
CDL Code Code Description Comments
533-9 Brake Control:Abnormal Update Rate The Electronic Control Module (ECM) has lost all communications with the brake ECM over the Cat Data Link.
The code is logged.
The check engine lamp is illuminated.
1273-9 Chassis Control Module:Abnormal Update Rate The ECM has lost all communications with the chassis ECM over the Cat Data Link.
The code is logged.
The check engine lamp is illuminated. Note: This procedure checks for an open or for a short in the data link circuits.If Caterpillar Electronic Technician (ET) will not communicate with the ECM, refer to Troubleshooting, "Electronic Service Tool Does Not Communicate" before you begin this procedure. The procedure will verify that electrical power is being supplied to the ECM and to the service tool connector.The data links are used to communicate information between the engine ECM and other control modules that are a part of the application. Cat ET also communicates with the ECM via the data links.The service tool connector contains connections for electrical power and for the data links.When the keyswitch is in the OFF position, Cat ET may communicate with the ECM. However, the communications may be disrupted and the communications may require frequent reconnection. In order to avoid this problem, place the keyswitch in the ON position when Cat ET is being used.Cat ET may display the following error message:"The version of the ECM is not recognized and the integrity of the changed parameters and displayed data is not guaranteed."This message indicates that one of the following conditions exist:
The flash file in the ECM is newer than the version of Cat ET.
The latest version of Cat ET has not been installed.
Illustration 1 g02138795
Schematic for the Cat Data Link
Illustration 2 g01672679
Terminal locations at the service tool connector
(Terminal A) +Battery
(Terminal B) −Battery
(Terminal C) CAN shield
(Terminal D) Cat Data Link +
(Terminal E) Cat Data Link −
(Terminal F) CAN data link −
(Terminal G) CAN data link +
Illustration 3 g01672676
Terminal locations at the P1 ECM connector that are for the data link
(P1-8) Cat Data Link +
(P1-9) Cat Data Link −
(P1-34) CAN data link −
(P1-42) CAN shield
(P1-48) +Battery
(P1-50) CAN data link +
(P1-52) +Battery
(P1-53) +Battery
(P1-61) −Battery
(P1-63) −Battery
(P1-65) −Battery
(P1-70) Keyswitch Test Step 1. Check for a Short Circuit in the Data Link Circuits
Turn the keyswitch to the OFF position.
Thoroughly inspect the connectors that are associated with the data link circuits. Refer to Troubleshooting, "Electrical Connectors - Inspect".
Disconnect the J1/P1 ECM connectors.
Disconnect Cat ET from the service tool connector.
Measure the resistance between the points that are listed in Table 2. Be sure to wiggle the wires in the harnesses as you make each resistance measurement.
Table 2
Resistance Measurements for the Cat Data Link
Connector and Terminal Terminal
P1-8 (Cat Data Link +) All of the other terminals on
Caterpillar parts catalog:
Parts cylinder Caterpillar catalog:
120K, 120K 2, 12K, 12M, 140G, 140K, 140K 2, 140M, 160K, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 328D LCR, 329D, 329D L, 329D LN, 525C, 535C, 545...
320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA, 324D, 324D L
120H, 120K, 120K 2, 12K, 12M, 135H, 140G, 140K, 140K 2, 140M, 160K, 30/30, 3126, 3126B, 3126E, 322C, 322C FM, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325C, 325C FM, 325D, 325D FM, 325D FM LL, 325D...
320D, 320D FM, 320D L, 320D LN, 320D LRR, 320D RR, 323D L, 323D LN, 324D, 324D L
320D, 320D FM, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321D LCR, 323D L, 323D2 L, 323E L, 324D
324D, 324D FM, 324D L, 324D LN
324D, 324D L, 324D LN, 324E, 324E L, 324E LN, 326D L
3154452
CYLINDER AS
324D, 324D L, 324D LN, 325D, 325D L, 329D L, 329D LN, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 340D2 L, 345C L, 385C, 385C L
324D, 324D L, 324D LN, 325D, 325D L, 329D L, 329D LN, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 340D2 L, 345C L, 385C, 385C L
2798110
CYLINDER AS
324D, 324D LN, 324E LN, 325D, 325D L, 329D LN
324D, 324D LN, 324E LN, 325D, 325D L, 329D LN
3119518
CYLINDER AS
324D, 330D, 330D L, 330D LN, 336D, 336D L, 340D L
324D, 330D, 330D L, 330D LN, 336D, 336D L, 340D L
3154464
CYLINDER AS
324D, 330D, 330D L, 336D, 336D2, 340D L
324D, 330D, 330D L, 336D, 336D2, 340D L
2836189
CYLINDER AS
324D, 330D, 330D L, 336D, 336D L, 340D L
324D, 330D, 330D L, 336D, 336D L, 340D L
2590673
CYLINDER AS
324D, 324D L, 326D L
324D, 324D L, 326D L
2478886
CYLINDER AS
320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D L
320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D L
3509335
CYLINDER AS
324D, 324D FM, 324D L, 324E, 324E L, 324E LN, 326D L
324D, 324D FM, 324D L, 324E, 324E L, 324E LN, 326D L
2590659
CYLINDER AS
324D, 324D L, 326D L
324D, 324D L, 326D L
324D, 324D L, 324D LN, 324E, 324E L, 324E LN, 326D L
2897943
CYLINDER AS
323D L
323D L
2897949
CYLINDER AS
320D, 320D FM, 320D2, 320D2 L, 323D L, 323D LN, 324D L, 325D L, 330D L, 336D L, 345C L, M325D L MH, M325D MH
320D, 320D FM, 320D2, 320D2 L, 323D L, 323D LN, 324D L, 325D L, 330D L, 336D L, 345C L, M325D L MH, M325D MH
3233820
CYLINDER AS
320D, 320D FM, 320D2, 320D2 L, 323D L, 323D LN
320D, 320D FM, 320D2, 320D2 L, 323D L, 323D LN
3154443
CYLINDER AS-HYDRAULIC
324D, 324D L, 324D LN, 325D, 325D L, 326D L, 329D, 329D L, 330D, 330D L, 330D LN, 336D, 336D L, 336D2, 340D L, 345C L, 385C, 385C L
324D, 324D L, 324D LN, 325D, 325D L, 326D L, 329D, 329D L, 330D, 330D L, 330D LN, 336D, 336D L, 336D2, 340D L, 345C L, 385C, 385C L
3509336
CYLINDER AS
324D, 324D L, 324E, 324E L, 324E LN, 326D L
324D, 324D L, 324E, 324E L, 324E LN, 326D L
2590671
CYLINDER AS
324D, 324D L, 326D L
324D, 324D L, 326D L
3521100
CYLINDER AS-HYDRAULIC
320D, 320D FM, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321D LCR, 323D L, 323D2 L, 323E L, 324D
320D, 320D FM, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321D LCR, 323D L, 323D2 L, 323E L, 324D