Perkins 1106D Troubleshooting Manual page 125

KENR6201-01
If the preceding codes are logged, an intermittent
condition may be causing the logged codes.
Refer to Troubleshooting, "Electrical Connectors
- Inspect".
Perform a "Wiggle Test" by using the electronic
service tool in order to identify intermittent
connections.
STOP.
Test Step 2. Inspect Electrical Connectors
And Wiring
A. Thoroughly inspect the terminal connections on
the P2/J2 ECM sensor connectors.
B. Thoroughly inspect the following engine pressure
sensor connectors:
•
P201 Engine Oil Pressure Sensor
• P228 Fuel Rail Pressure Sensor
•
P200 Intake Manifold Pressure Sensor
C. Refer to Troubleshooting, "Electrical Connectors
- Inspect".
D. Perform a 45 N (10 lb) pull test on each of the
wires in the ECM connector and the sensor
connectors that are associated with the active
diagnostic code.
E. Check the screw for the ECM connector for the
correct torque of 5 N·m (44 lb in).
F. Check the harness for abrasions and for pinch
points from the sensors back to the ECM.
G. Use the electronic service tool to perform a
"Wiggle Test". The "Wiggle Test" will identify
intermittent connections.
Expected Result:
All connectors, pins, and sockets should be
completely coupled and inserted. The harness should
be free of corrosion, abrasions and pinch points.
Results:
•
OK – Proceed to Test Step 3.
•
Not OK
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.
This document is printed from SPI². Not for RESALE
Use the electronic service tool in order to clear all
logged diagnostic codes and then verify that the
repair eliminates the fault.
STOP.
Test Step 3. Verify that the Diagnostic
Code is Still Active
A. Turn the keyswitch to the ON position. Wait at
least 10 seconds for activation of the diagnostic
codes.
B. Use the electronic service tool to check for active
diagnostic codes. Record all active diagnostic
codes.
C. Determine if the fault is related to an open circuit
diagnostic code or a short circuit diagnostic code.
Expected Result:
Either a short circuit diagnostic code is active or an
open circuit diagnostic code is active.
Results:
•
OK - SHORT Circuit – A "Voltage Above Normal"
diagnostic code is active at this time. Proceed to
Test Step 4.
• OK - OPEN Circuit – A "Voltage Below Normal"
diagnostic code is active at this time. Proceed to
Test Step 5.
•
Not OK – A short circuit diagnostic code is not
active. An open circuit diagnostic code is not
active. An intermittent fault may exist.
Repair: Use the electronic service tool to perform
a "Wiggle Test". If faults are indicated then go to
the appropriate procedure.
STOP.
Test Step 4. Disconnect The Sensor In
Order To Create An Open Circuit
A. Turn the keyswitch to the OFF position.
B. Disconnect the sensor connector of the sensor
with the short circuit diagnostic code.
C. Turn the keyswitch to the ON position. Wait at
least 10 seconds in order for the diagnostic codes
to become active.
D. Use the electronic service tool to check the "Active
Diagnostic Code" screen. Check for a "Voltage
Below Normal" diagnostic code.
125
Troubleshooting Section