TEST
ACTION
APPLICABILITY
6
Turn the ignition off.
Disconnect the Fuel Injection Pump harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ECM harness connector C2 cavity 56 and Fuel
Injection Pump harness connector cavity 1.
Measure the resistance between ECM harness connector C2 cavity 57 and Fuel
Injection Pump harness connector cavity 2.
Measure the resistance between ECM harness connector C2 cavity 58 and Fuel
Injection Pump harness connector cavity 3.
Is the resistance below 5.0 ohms for each of the measurements?
All
Yes
→
Go To
7
No
→
Repair the Control Sleeve Position Sensor circuit(s) that mea-
sured above 5.0 ohms for an open.
Perform ROAD TEST VERIFICATION - VER-2.
7
Turn the ignition off.
Disconnect the Fuel Injection Pump harness connector.
Disconnect the ECM harness connectors.
Remove the ASD/Diesel Power Relay from the PDC.
Connect a jumper wire between cavity 30 and cavity 87 of the ASD/Diesel Power
Relay connector.
Turn the ignition on.
Measure the voltage on ECM harness connector C2 cavity 56.
Measure the voltage on ECM harness connector C2 cavity 57.
Measure the voltage on ECM harness connector C2 cavity 58.
Is the voltage above 0.5 volt for any of the measurements?
All
Yes
→
Repair the Control Sleeve Position Sensor circuit(s) that mea-
sured above 0.5 volt for a short to voltage.
Perform ROAD TEST VERIFICATION - VER-2.
No
→
Go To
8
NOTE: Remove the jumper wire.
8
If there are no possible causes remaining, view repair.
All
Repair
Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
107
DRIVEABILITY - DIESEL
P1225-CONTROL SLEEVE SENSOR SIGNAL HIGH EXCEEDED —
Continued