Specifications

TEST ACTION APPLICABILITY
3 NOTE: Inspect all air intake and turbocharger related tubes for damage,
restriction or poor connection.Any of these conditions can cause a this DTC
to set.
Turn the ignition off.
Inspect all air intake and turbocharger related tubes and connections.
were any problems found?
All
Yes Repair or replace as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No Go To 4
4 Turn the ignition off.
Disconnect the Intake Pressure Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the Intake Pressure Sensor Signal circuit.
Is the resistance below 10.0 ohms?
All
Yes Go To 5
No Repair the Intake Pressure Sensor Signal circuit for high resis-
tance.
Perform ROAD TEST VERIFICATION - VER-2.
5 Turn the ignition off.
Disconnect the Intake Pressure Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the Sensor Ground circuit.
Is the resistance below 10.0 ohms?
All
Yes Go To 6
No Repair the Intake Pressure Sensor Ground circuit for high resis-
tance.
Perform ROAD TEST VERIFICATION - VER-2.
6 Turn the ignition off.
Disconnect the Intake Pressure Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the Intake Pressure Sensor 5-volt Supply circuit.
Is the resistance below 10.0 ohms?
All
Yes Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No Repair the Intake Pressure Sensor 5 Volt Supply circuit for high
resistance.
Perform ROAD TEST VERIFICATION - VER-2.
126
DRIVEABILITY - DIESEL
P2025-INTAKE PRESSURE SENSOR PLAUSIBILITY Continued