2001 CHRYSLER VOYAGER Service Manual

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Page 1257 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0190-FUEL PRESS SENSOR CIRCUIT MALF SIGNAL VOLTAGE
TOO LOW
When Monitored and Set Condition:
P0190-FUEL PRESS SENSOR CIRCUIT MALF SIGNAL VOLTAGE TOO LOW
When Monitored: With the ignition on.

Page 1258 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Fuel Pressure Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ground and the Fuel Pres

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Fuel Pressure Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ground and the Fuel Pressure Sensor Signal circuit.
Is the resistance above 100k ohms?All
Ye s®Go To 4
No®Repair the Fuel Pressure Sensor Signal circuit for a short to
ground.
Perform ROAD TEST VERIFICATION - VER-2.
4 Turn the ignition off.
Disconnect the Fuel Pressure Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between the Sensor Ground circuit and the Fuel Pressure
Sensor Signal circuit.
Is the resistance above 100k ohms?All
Ye s®Go To 5
No®Repair the Fuel Pressure Sensor Signal circuit for a short to the
Sensor Ground circuit.
Perform ROAD TEST VERIFICATION - VER-2.
5 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.
6WARNING: 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 and 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.
Were any of the above conditions present?All
Ye s®Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No®Test Complete.
39
DRIVEABILITY - DIESEL
P0190-FUEL PRESS SENSOR CIRCUIT MALF SIGNAL VOLTAGE TOO
LOW Ð
Continued

Page 1259 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0190-FUEL PRESS SENSOR CIRCUIT MALF SUPPLY VOLTAGE
TOO HIGH OR LOW
When Monitored and Set Condition:
P0190-FUEL PRESS SENSOR CIRCUIT MALF SUPPLY VOLTAGE TOO HIGH OR
LOW
When Monitored: With

Page 1260 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0195-OIL TEMP SENSOR CIRCUIT MALF SIGNAL VOLTAGE TOO
HIGH
When Monitored and Set Condition:
P0195-OIL TEMP SENSOR CIRCUIT MALF SIGNAL VOLTAGE TOO HIGH
When Monitored: With the ignition on.
S

Page 1261 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Engine Oil Temperature Sensor harness connector.
Disconnect the ECM harness connectors.
Remove the ECM/PCM Relay from the PDC.
Connect

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Engine Oil Temperature Sensor harness connector.
Disconnect the ECM harness connectors.
Remove the ECM/PCM Relay from the PDC.
Connect a jumper wire between cavity 30 and cavity 87 of the ECM/PCM Relay
connector.
Turn the ignition on.
Measure the voltage of the Sensor Ground circuit at the Engine Oil Temperature
Sensor and ECM harness connectors.
Is the voltage above 1.0 volt at either connector?All
Ye s®Repair the Engine Oil Temperature Sensor Ground circuit for a
short to voltage.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 4
NOTE: If the Sensor Ground circuit had a short to voltage on it, the ECM
may have been damaged. Retest the Engine Oil Temperature Sensor circuit.
4 Turn the ignition off.
Disconnect the Engine Oil Temperature Sensor harness connector.
Connect a jumper wire between the Engine Oil Temperature Sensor harness
connector cavities.
Turn the ignition on.
With the DRB, read the Oil Temp Sensor voltage.
Is the voltage below 1.0 volt?All
Ye s®Replace the Engine Oil Temperature Sensor.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 5
5 Turn the ignition off.
Disconnect the Engine Oil Temperature Sensor harness connector.
Connect a jumper wire between ground and the Engine Oil Temperature Sensor
Signal circuit.
Turn the ignition on.
With the DRB, read the Oil Temp Sensor voltage.
Is the voltage below 1.0 volt?All
Ye s®Repair the Engine Oil Temperature Sensor Ground circuit for an
open.
Perform ROAD TEST VERIFICATION - VER-2.
No®Go To 6
6 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Engine Oil Temperature Sensor harness connector.
Measure the resistance of the Engine Oil Temperature Sensor Signal circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Engine Oil Temperature Sensor Signal circuit for an
open.
Perform ROAD TEST VERIFICATION - VER-2.
42
DRIVEABILITY - DIESEL
P0195-OIL TEMP SENSOR CIRCUIT MALF SIGNAL VOLTAGE TOO HIGH
Ð
Continued

Page 1262 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
7 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 TE

Page 1263 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0195-OIL TEMP SENSOR CIRCUIT MALF SIGNAL VOLTAGE TOO
LOW
When Monitored and Set Condition:
P0195-OIL TEMP SENSOR CIRCUIT MALF SIGNAL VOLTAGE TOO LOW
When Monitored: With the ignition on.
Set

Page 1264 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the OT Sensor harness connector.
Measure the resistance between the OT Sensor Signal circuit and Se

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