WASHER 3961120 - Caterpillar

Illustration 1 g02112358
Schematic for the Cat Data Link and the CAN data link
Illustration 2 g01672679
Terminal locations at the service tool connector
(A) +Battery
(B) −Battery
(C) CAN shield
(D) Cat Data Link +
(E) Cat Data Link −
(F) CAN data link −
(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 (if applicable)
(P1-50) CAN data link +
(P1-52) +Battery (if applicable)
(P1-53) +Battery (if applicable)
(P1-61) −Battery (if applicable)
(P1-63) −Battery (if applicable)
(P1-65) −Battery (if applicable)
(P1-70) Keyswitch
Illustration 4 g02078636
P2 ECM connector
(P2-11) CAN data link −
(P2-12) CAN data link +
Table 2
Resistance Measurements for the Cat Data Link
Connector and Terminal Terminal
P1-8 (Cat Data Link +) All of the other terminals on the P1 connector
Negative ground
P1-9 (Cat Data Link -) All of the other terminals on the P1 connector
Negative ground
P1-50