Perkins 1106D Troubleshooting Manual page 121

SENR9982
Illustration 23
Typical view of the P1 OEM connector pin locations
(33) Sensor Ground (GND)
(34) Sensor Ground (GND)
Test Step 1. Check for Connector
Damage.
A. Turn the keyswitch to the OFF position.
B. Check the connectors and the harness for the
following faults: damage, abrasion, corrosion, and
incorrect attachment.
C. Refer to Troubleshooting, "Electrical Connectors
- Inspect".
D. Perform a 45 N (10 lb) pull test on each of the
wires in the harness that are associated with
the throttle demand sensor. Check the wire
connectors at the ECM and at the throttle pedal.
The wire connectors are shown in table 57.
E. Check the screw for the ECM connector for the
correct torque of 5.0 N·m (44 lb in).
Expected Result:
The connectors and the harness should be free of
the following faults: damage, abrasion, corrosion,
and incorrect attachment.
Results:
•
OK – Proceed to Test Step 2.
•
Not OK
Repair: Repair the connectors or the harness
and/or replace the connectors or the harness.
(41) Sensor supply (5v)
(42) Sensor supply (5v)
Verify that the repair eliminates the fault.
STOP.
Test Step 2. Check for active Diagnostic
Codes.
A. Turn the keyswitch to the ON position.
B. Use the Perkins EST to check for diagnostic
Expected Result:
RESULT 1 The Perkins EST displays the following
active diagnostic codes or recently logged diagnostic
codes:
•
91-03
•
91-04
•
774-03
•
774-04
RESULT 2 The Perkins EST displays no active
diagnostic codes:
Results:
•
Result 1 – Proceed to Test Step 3.
•
Result 2 – Proceed to Test Step 5.
(54) Analog throttle input 1
(55) Analog throttle input 2
codes.
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Troubleshooting Section
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