The J1939 Splice Adapters (1024, 1025, 1026) are part of the backbone of the data link (The backbone will come in on 2 terminals and leave on 2 different terminals). The wiring from the connector to each module is a stub.

There may be a problem in the J1939 wiring between the ECU and the J1939 backbone. Check J1939 circuit resistance at the ECU. If the result is 60 Ω the ECU is probably at fault. If the result is NOT 60 Ω check and repair J1939 datalink wiring. All ECUs fail to respond. The J1939 datalink polarity may be reversed at the diagnostic connector.

the J1939 datalink. CGW — Central Gateway Communication Protocol — A set of rules governing communication between electronic devices. Datalink — A collection of wires, connecting system components, through which data is transmitted. Datalink Topology — The arrangement in which the nodes (ECUs) of a datalink are connected to each other.

• Measure the J1939 voltage of the J1939 (-) pin to battery ground at the 3 pin connector for the J1939 data link. Refer to Procedure 019-417 Specification • A malfunctioning wiring harness has been detected due to the J1939 data link circuit being shorted to a voltage source if the voltage is greater than the following specification: 4.5 VDC

module (ECM) via the J1939 data link. The aftertreatment intake NOx sensor performs internal diagnostics and reports malfunctions back to the primary ECM using the J1939 data link. The NOx sensor is permanently attached to the NOx control module. They are serviced as a single component and can not be replaced individually. The aftertreatment

The SAE J1939 data link wiring and the SAE J1939 devices vary by OEM options. Conditions for Running the Diagnostics: This diagnostic runs continuously when the keyswitch is in the ON position or when the engine is running. Conditions for Setting the Fault Codes: The Engine Control Module (ECM) did not receive a message from a multiplexed device.

• Measure the J1939 voltage of the J1939 (-) pin to battery ground at the 3 pin connector for the J1939 data link. Refer to Procedure 019-417 Specification • A malfunctioning wiring harness has been detected due to the J1939 data link circuit being shorted to a voltage source if the voltage is greater than the following specification: 4.5 VDC

J1939 (High)/15765 (CAN) BK0689A151390063 Brakes Bendix EC-80 ABS AAAI000023 AAAM000029 BB41265 A81J140519B_9007N AAAC000027 BB41236 0715150961 J1939 (High) Instrument Cluster International EGC 015161229394 .1 J1939 (High) DPF Controller International N9/N10 DPF Controller 00000000 ANT5BBR J1939 (High) Aftertreatment Control Module

CUMMINS Electrical Wiring Diagrams M11 CELECT PLUS (1995-1998) Version #2 | 9-14-19 Revision #1 | 10-11-18

Aug 10, 2019 · smart device and receives information via the J1939 data link from the primary engine control module (ECM). The VGT actuator performs its own diagnostics and reports malfunctions back to the primary engine ECM, using the J1939