2001 CHRYSLER VOYAGER Service Manual

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Page 4009 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Leak Detection Pump harness connector.
Turn the ignition on.
With the DRBIIItin Inputs/Outputs, read the Leak Detect Pump Sw state.
Wh

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Leak Detection Pump harness connector.
Turn the ignition on.
With the DRBIIItin Inputs/Outputs, read the Leak Detect Pump Sw state.
While observing the Leak Detect Pump Sw state, connect a jumper wire between a 12
volt source and the LDP Switch Sense circuit.
Did the Leak Detect Pump Sw state change when the jumper was connected?All
Ye s®Replace the Leak Detection Pump.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
No®Go To 4
4 Turn the ignition off.
Disconnect the Leak Detection Pump harness connector.
Disconnect the Powertrain Control Module harness connectors.
Measure the resistance of the LDP Switch Sense circuit in the LDP harness
connector to ground.
Is the resistance below 5.0 Ohms?All
Ye s®Repair the LDP Switch Sense Circuit for a short to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
No®Go To 5
5 Turn the ignition off.
Disconnect the Leak Detection Pump harness connector.
Disconnect the Powertrain Control Module harness connectors.
Measure the resistance of the LDP Switch Sense circuit between the LDP harness
connector and the PCM harness connector.
Is the resistance below 5.0 Ohms?All
Ye s®Go To 6
No®Repair the LDP Switch Sense Circuit for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
6 If there are no possible causes remaining, view repair. All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
7 At this time, the conditions required to set the DTC are not present.
Note: Use the Freeze Frame Data to help you duplicate the conditions that
set the DTC. Pay particular attention to the DTC set conditions, such as,
VSS, MAP, ECT, and Load.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wire harness connectors. Look for broken,
bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB's) that may apply.
Perform a wiggle test of the LDP wiring while the circuit is actuated with the DRB.
Listen for the LDP to quit actuating. Also watch for the Good Trip Counter to change
to 0.
Were any problems found?All
Ye s®Repair wiring harness/connectors as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
No®Test Complete.
215
DRIVEABILITY - GAS
P1494-LEAK DETECT PUMP SW OR MECHANICAL FAULT ÐContinued

Page 4010 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1495-LEAK DETECTION PUMP SOLENOID CIRCUIT
When Monitored and Set Condition:
P1495-LEAK DETECTION PUMP SOLENOID CIRCUIT
When Monitored: Immediately after a cold start, with battery/ambient te

Page 4011 of 4284

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Leak Detection Pump harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Ignition Switch Output
circuit in the LDP harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused Ignition Switch Output circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
4 Turn the ignition off.
Disconnect the Leak Detection Pump harness connector.
Disconnect the Powertrain Control Module harness connector.
Measure the resistance of the LDP Solenoid Control circuit in the LDP harness
connector to ground.
Is the resistance below 5.0 Ohms?All
Ye s®Repair the LDP Solenoid Control circuit for a short to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
No®Go To 5
5 Turn the ignition off.
Disconnect the Leak Detection Pump harness connector.
Disconnect the Powertrain Control Module harness connector.
Measure the resistance of the LDP Solenoid Control circuit between the LDP
Solenoid harness connector and the PCM harness connector.
Is the resistance below 5.0 Ohms?All
Ye s®Go To 6
No®Repair the LDP Solenoid Control circuit for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
6 If there are no possible causes remaining, view repair. All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
7 At this time, the conditions required to set the DTC are not present.
Note: Use the Freeze Frame Data to help you duplicate the conditions that
set the DTC. Pay particular attention to the DTC set conditions, such as,
VSS, MAP, ECT, and Load.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wire harness connectors. Look for broken,
bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB's) that may apply.
Perform a wiggle test of the LDP wiring while the circuit is actuated with the DRB.
Listen for the LDP to quit actuating. Also watch for the Good Trip Counter to change
to 0.
Were any problems found?All
Ye s®Repair wiring harness/connectors as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
No®Test Complete.
217
DRIVEABILITY - GAS
P1495-LEAK DETECTION PUMP SOLENOID CIRCUIT ÐContinued

Page 4012 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1496-5 VOLT SUPPLY, OUTPUT TOO LOW
When Monitored and Set Condition:
P1496-5 VOLT SUPPLY, OUTPUT TOO LOW
When Monitored: With the ignition on.
Set Condition: The 5-volt supply to the sensors

Page 4013 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Throttle Position Sensor harness connector.
Turn the ignition on.
Connect a Voltmeter to the 5 Volt Supply circuit at the Throttle Pos

Page 4014 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
6 Turn the ignition off.
Disconnect the PCM harness connector.
Disconnect the Throttle Position Sensor harness connector.
Disconnect the MAP Sensor harness connector.
Disconn

TEST ACTION APPLICABILITY
6 Turn the ignition off.
Disconnect the PCM harness connector.
Disconnect the Throttle Position Sensor harness connector.
Disconnect the MAP Sensor harness connector.
Disconnect the PCM harness connectors.
Disconnect the A/C Pressure Sensor harness connector.
Disconnect the EGR Solenoid harness connector.
Measure the resistance of the 5 Volt Supply circuit in the Throttle Position Sensor
harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the 5 Volt Supply Circuit for a short to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Go To 7
7 If there are no possible causes remaining, view repair. All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
8NOTE: The Throttle Position Sensor harness connector must be connected
during this test.
Disconnect the MAP Sensor harness connector.
Turn the ignition on.
Measure the 5 Volt Supply circuit in the MAP Sensor harness connector.
Is the Voltage below 4.5 Volts?All
Ye s®Replace the Throttle Position Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Go To 9
9WARNING: 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 DRB Freeze Frame information. 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 POWERTRAIN VERIFICATION TEST VER - 5.
No®Test Complete.
220
DRIVEABILITY - GAS
P1496-5 VOLT SUPPLY, OUTPUT TOO LOW ÐContinued

Page 4015 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1602-PCM NOT PROGRAMMED
When Monitored and Set Condition:
P1602-PCM NOT PROGRAMMED
When Monitored: Ignition key on.
Set Condition: PCM has not been programmed.
POSSIBLE CAUSES
PCM PROGRAMMED

Page 4016 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1899-P/N SWITCH STUCK IN PARK OR IN GEAR (3SP AUTO
TRANS)
When Monitored and Set Condition:
P1899-P/N SWITCH STUCK IN PARK OR IN GEAR (3SP AUTO TRANS)
When Monitored: Continuously with the t

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