Perkins 1104E Series Troubleshooting Manual page 173

RENR2696-01
Expected Result:
One or more of the preceding diagnostic codes are
active.
Results:
•
Yes – Proceed to Test Step 2.
•
No
Repair: If the preceding codes are logged but
not active and the engine is not running properly,
refer to Troubleshooting, "Troubleshooting without
a Diagnostic Code". If the engine is running
properly at this time, an intermittent condition
may be causing the logged codes. Refer to
Troubleshooting, "Electrical Connections - Inspect".
STOP.
Test Step 2. Inspect Electrical Connectors
And Wiring.
Illustration 87
A. Thoroughly inspect ECM engine harness
connector J1/P1 and the suspect sensor
connector. Refer to Troubleshooting, "Electrical
Connectors - Inspect".
B. 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 87.
C. Verify that the latch tab of the connector is
properly latched. Also verify that the latch tab of
the connector has returned to the fully latching
position.
D. Check the ECM connector (Allen head screw) for
the proper torque of 6.0 N·m (55 lb in).
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Troubleshooting Section
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