Perkins NJ Series Troubleshooting Manual page 131

SENR9982-01
Illustration 34
Typical example of the schematic for the CAN data link
Illustration 35
Typical view of the P1 connector pin locations
(20) CAN-
Test Step 1. Inspect Electrical Connectors
and Wiring.
A. Turn the keyswitch to the OFF position.
B. Thoroughly inspect the harness connector P1/J1
and any other connectors in the CAN data link
circuit.
Refer to Troubleshooting, "Electrical Connectors -
Inspect" for details.
(21) CAN+
C. Perform a 45 N (10 lb) pull test on each of the
D. Check the harness for abrasion and pinch points
Expected Result:
All connectors, pins and sockets should be completely
coupled and/or inserted. The harness should be free
of corrosion, abrasion and/or pinch points.
(22) CAN Shield
wires that are associated with the CAN data link.
Refer to Illustration 35.
from the keyswitch to the ECM.
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