TEST
ACTION
APPLICABILITY
2
Turn the ignition off.
Disconnect the Fuel Injection Pump harness connector.
Measure the resistance between Fuel Injection Pump connector (fuel pump side)
cavities 1 and 2, then 2 and 3.
Is the resistance between 5.0 and 7.0 ohms for each measurement?
All
Yes
→
Go To
3
No
→
Replace the Fuel Injection Pump in accordance with the Service
Information.
Perform ROAD TEST VERIFICATION - VER-2.
3
Turn the ignition off.
Disconnect the Fuel Injection Pump harness connector.
Measure the resistance between ground and Fuel Injection Pump connector (fuel
pump side) cavities 1, 2 then 3.
Is the resistance above 100 kohms for each measurement?
All
Yes
→
Go To
4
No
→
Replace the Fuel Injection Pump in accordance with the Service
Information.
Perform ROAD TEST VERIFICATION - VER-2.
4
Turn the ignition off.
Disconnect the Fuel Injection Pump harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ground and ECM harness connector C2 cavities 56,
57, and 58.
Is the resistance above 100 kohms for each of the measurements?
All
Yes
→
Go To
5
No
→
Repair the Control Sleeve Position Sensor circuit(s) that mea-
sured below 100 kohms for a short to ground.
Perform ROAD TEST VERIFICATION - VER-2.
5
Turn the ignition off.
Disconnect the Fuel Injection Pump harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ECM harness connector C2 cavities 56 and 57, then
56 and 58, then 57 and 58.
Is the resistance below 100 kohms for any of the measurements?
All
Yes
→
Repair the Control Sleeve Position Sensor circuits that measured
below 100 kohms for a short together.
Perform ROAD TEST VERIFICATION - VER-2.
No
→
Go To
6
148
DRIVEABILITY - DIESEL
P1225-CONTROL SLEEVE SENSOR SIGNAL HIGH EXCEEDED —
Continued