Specifications

TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the Camshaft Position Sensor harness connector.
Disconnect the ECM harness connectors.
Remove the Engine Control Relay.
Connect a jumper wire between cavity 30 and cavity 87 of the Engine Control Relay
connector.
Turn the ignition on.
Measure the voltage of the CMP Position Sensor Signal circuit.
Is the voltage below 1.0 volt?
All
Yes Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No Repair the Camshaft Position Sensor Signal circuit for a short to
voltage.
Perform ROAD TEST VERIFICATION - VER-2.
5 Turn the ignition off.
Disconnect the Camshaft Position Sensor harness connector.
Turn the ignition on.
Measure the voltage of the CMP Sensor 5-Volt Supply circuit.
Select the appropriate voltage reading.
All
Voltage is above 5.4 volts.
Repair the CMP 5-Volt Supply circuit for a short to voltage.
Perform ROAD TEST VERIFICATION - VER-2.
Voltage is between 4.7 and 5.4 volts.
Go To 6
Voltage is below 4.7 volts.
Go To 10
6 Turn the ignition off.
Disconnect the CMP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the Sensor Ground circuit between the CMP Sensor
harness connector and the ECM harness connector.
Is the resistance below 10.0 ohms?
All
Yes Go To 7
No Repair the Sensor Ground circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
7 Turn the ignition on.
Disconnect the ECT Sensor harness connector.
Disconnect the Camshaft Position Sensor harness connector.
Connect one end of a jumper wire to the ECT Sensor signal circuit in the ECT Sensor
harness connector.
Connect the other end of the jumper wire to the Sensor Ground circuit in the
Camshaft Position Sensor harness connector.
With the DRBIIIt in Engine, Sensors, read the Engine Coolant Temp volts.
Is the voltage below 0.5 volt?
All
Yes Go To 8
No Replace and program the ECM in accordance with the Service
Information.
Perform ROAD TEST VERIFICATION - VER-2.
142
DRIVEABILITY - DIESEL
P2043-CAMSHAFT POSITION SENSOR CIRCUIT OPEN CIRCUIT
Continued