2001 CHRYSLER VOYAGER Service Manual

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Page 1289 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0235-BOOST PRESSURE SENSOR SUPPLY VOLTAGE TOO HIGH
OR LOW
When Monitored and Set Condition:
P0235-BOOST PRESSURE SENSOR SUPPLY VOLTAGE TOO HIGH OR LOW
When Monitored: With the ignition on.
S

Page 1290 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Boost Pressure/IAT Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ground and the 5-vo

Page 1291 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
7WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: Th

Page 1292 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0335-CKP POSITION SENSOR CIRCUIT OVERSPEED RECOGNI-
TION
When Monitored and Set Condition:
P0335-CKP POSITION SENSOR CIRCUIT OVERSPEED RECOGNITION
When Monitored: With the engine running.
Se

Page 1293 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the CKP Sensor harness connector.
Measure the resistance of the Shield circuit.
Is the resistance b

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the CKP Sensor harness connector.
Measure the resistance of the Shield circuit.
Is the resistance below 10.0 ohms?All
Ye s®Go To 4
No®Repair the Shield circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
4 Replace the Crankshaft Position Sensor in accordance with the Service Information.
With the DRB, erase ECM DTCs.
Perform several drive cycles, turning the ignition off for at least 10 seconds between
each drive cycle.
Monitor the DRB for ECM DTCs.
Did this DTC reset?All
Ye s®Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No®The repair is complete. Refer to the Service Information to check
for engine mechanical problems that may have occurred due to
excessive engine speed.
Perform ROAD TEST VERIFICATION - VER-2.
5WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Check the Engine Speed Sensor wiring harness for incorrect routing which may
cause EMI interference.
Were any of the above conditions present?All
Ye s®Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No®Test Complete.
74
DRIVEABILITY - DIESEL
P0335-CKP POSITION SENSOR CIRCUIT OVERSPEED RECOGNITION
Ð
Continued

Page 1294 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0340-CKP POSITION SENSOR CIRCUIT DYNAMIC PLAUSIBIL-
ITY
When Monitored and Set Condition:
P0340-CKP POSITION SENSOR CIRCUIT DYNAMIC PLAUSIBILITY
When Monitored: The engine speed is above 790

Page 1295 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ground and the both of the CKP Sen

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ground and the both of the CKP Sensor Signal
circuits.
Is the resistance above 1000 ohms for both measurements?All
Ye s®Go To 4
No®Repair the CKP Sensor Signal circuit(s) for a short to ground.
Perform ROAD TEST VERIFICATION - VER-2.
4 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between the CKP Sensor Signal circuits.
Is the resistance above 1000 ohms?All
Ye s®Go To 5
No®Repair the CKP Sensor Signal circuits for a short together.
Perform ROAD TEST VERIFICATION - VER-2.
5 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of CKP Sensor Signal circuits.
Is the resistance below 10.0 ohms for both measurements?All
Ye s®Go To 6
No®Repair the CKP Sensor Signal circuit(s) for an open.
Perform ROAD TEST VERIFICATION - VER-2.
6 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the ECM harness connectors.
Turn the ignition on.
Measure the voltage of both CKP Sensor Signal circuits.
Is the voltage below 1.0 volt for both measurements?All
Ye s®Go To 7
No®Repair the CKP Sensor Signal circuit(s) for a short to voltage.
Perform ROAD TEST VERIFICATION - VER-2.
7NOTE: Ensure the ECM and CKP Sensor harness connectors are connected.
Connect, by back probing, a voltmeter capable of reading frequency to ECM harness
connector C2 cavity 67.
Crank the engine while monitoring the voltmeter.
Is the frequency between 16 and 20 Hz while cranking?All
Ye s®Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No®Replace the Crankshaft Position Sensor in accordance with the
Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
76
DRIVEABILITY - DIESEL
P0340-CKP POSITION SENSOR CIRCUIT DYNAMIC PLAUSIBILITY Ð
Continued

Page 1296 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0340-CMP POSITION SENSOR CIRCUIT CMP/CKP SYNC FAIL-
URE
When Monitored and Set Condition:
P0340-CMP POSITION SENSOR CIRCUIT CMP/CKP SYNC FAILURE
When Monitored: With the engine running.
Set

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