Perkins NJ Series Troubleshooting Manual page 207

SENR9982-01
Illustration 87
Schematic for the PTO switches
Illustration 88
Typical view of the PTO switch pin locationson the P1 connector
(35) Switch Ground (GND)
(49) PTO mode - disengage
Test Step 1. Inspect Electrical Connectors
and Wiring
A. Turn the keyswitch to the OFF position.
B. Thoroughly inspect the J1/P1 connector on the
Electronic Control Module (ECM), the switch
connections and battery connections. Refer to
Troubleshooting, "Electrical Connectors - Inspect"
for details.
C. Perform a 45 N (10 lb) pull test on each of the
wires in the sensor connector and the ECM
connector that are associated with the active
diagnostic code. Refer to illustration 88.
(50) PTO mode - raise/resume
(51) PTO mode - set/lower
D. Verify that the latch tab of the connector is
E. Check the screw for the ECM connector for the
F. Check the harness for corrosion, abrasion, and
Expected Result:
All connectors, pins and sockets should be
completely inserted and coupled. The harness should
be free of corrosion, abrasion and pinch points.
(52) PTO mode - ON/OFF
correctly latched. Also verify that the latch tab of
the connector has returned to the fully latching
position.
correct torque of 5.0 N·m (44 lb in).
pinch points from the throttle switch to the ECM.
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Troubleshooting Section
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