Perkins 1106D Troubleshooting Manual page 201

SENR9982
Illustration 79
Typical view of the P1 OEM connector pin locations
(1) Ground (GND)
(2) Ground (GND)
(3) Ground (GND)
Test Step 1. Inspect Electrical Connectors
and Wiring
A. Inspect the following connectors:
•
P1 OEM connector
•
P2 OEM connector
B. Inspect the terminal connections on the glow
plug start aid relay. Refer to Troubleshooting,
"Electrical Connectors - Inspect" for details.
C. Perform a 45 N (10 lb) pull test on each of the
wires in the ECM connector that are associated
with the glow plug starting aid.
D. Check the screw for the ECM connector for the
correct torque of 5.0 N·m (44 lb in).
E. Check the harness for abrasion and pinch points
from the glow plugs back to the ECM.
F. Check that the fuses are not blown.
Expected Result:
All connectors, pins and sockets are correctly coupled
and/or inserted. The harness is free of corrosion,
abrasion and pinch points. The fuses are not blown.
Results:
•
OK – The harness and the connectors appear to
be OK. Proceed to Test Step 2.
(9) Ground (GND)
(10) Ground (GND)
(57) Start aid control
•
Not OK – There is a fault with the harness and
connectors.
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. Replace blown fuses.
Verify that the repair has eliminated the fault.
STOP.
Test Step 2. Check for Active Diagnostic
Codes
A. Connect the Perkins EST to the diagnostic
B. Turn the keyswitch to the ON position.
Note: The engine has not been started at this Test
Step.
C. Use the Perkins EST to select the "Glow Plug
D. Check for active diagnostic codes or recently
Expected Result:
The following diagnostic code is active or recently
logged:
(63) Cold start lamp
connector.
Override Test" in order to turn on the power for
the glow plugs.
logged diagnostic codes.
201
Troubleshooting Section
g01205132