Perkins 1106D Troubleshooting Manual page 135

SENR9982
Illustration 35
Typical example of the pin locations on the P1 OEM connector
(33) Sensor return
Test Step 1. Inspect Electrical Connectors
and Wiring
A. Inspect the P1/J1 connector, OEM harness and
the OEM connectors. Thoroughly inspect the
digital throttle position sensor connector. Refer to
Troubleshooting, "Electrical Connectors - Inspect"
for details.
B. Perform a 45 N (10 lb) pull test on each of the
wires in the ECM connector that are associated
with the digital throttle position sensor:
•
P1:33
•
P1:43
•
P1:53
C. Check the screw for the ECM connector for the
correct torque of 5.0 N·m (44 lb in).
D. Check the harness for abrasion and pinch points
from the digital throttle position sensor to the ECM.
Expected Result:
All connectors, pins and sockets are completely
coupled and/or inserted and the harness is free of
corrosion, of abrasion or of pinch points.
Results:
•
OK – Proceed to Test Step 2.
•
Not OK
(43) Sensor supply (8v)
Repair: Perform the following repair:
Repair the connectors or the harness and/or
replace the connectors or the harness. Ensure that
all of the seals are correctly in place and ensure
that the connectors are completely coupled.
Verify that the repair eliminates the fault.
STOP.
Test Step 2. Check for Active Diagnostic
Codes
A. Connect Perkins EST to the data link connector.
B. Turn the keyswitch to the ON position.
C. Monitor the active diagnostic code screen on
(53) Sensor input
Perkins EST. Check and record active diagnostic
codes.
135
Troubleshooting Section
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