2001 CHRYSLER VOYAGER Service Manual

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Page 4033 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0645-A/C CLUTCH RELAY CKT
When Monitored and Set Condition:
P0645-A/C CLUTCH RELAY CKT
When Monitored: With the ignition on. Battery voltage greater than 10 volts. A/C Switch
on.
Set Conditi

Page 4034 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3WARNING: KEEP CLEAR OF THE ENGINES MOVING PARTS.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermit

TEST ACTION APPLICABILITY
3WARNING: KEEP CLEAR OF THE ENGINE'S MOVING PARTS.
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.
4 Turn the ignition off.
Remove the A/C Clutch Relay from the IPM.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused Ignition Switch
circuit in the IPM.
Does the test light illuminate?All
Ye s®Go To 5
No®Go To 10
5 Turn the ignition off.
Remove the A/C Clutch Relay from the IPM.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the A/C Clutch Relay circuit in
the IPM.
With the DRBIIIt, actuate the A/C Clutch Relay.
Does the test light flash on and off?All
Ye s®Replace the A/C Clutch Relay.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Go To 6
6 Turn the ignition off.
Disconnect the Intelligent Power Module C3 harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the A/C Clutch Relay Control
circuit in the IPM harness connector.
With the DRBIIIt, actuate the A/C Clutch Relay.
Does the test light flash on and off?All
Ye s®Replace the IPM Fused & Relay Center.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Go To 7
240
HEATING & A/C
P0645-A/C CLUTCH RELAY CKT ÐContinued

Page 4035 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
7 Turn the ignition off.
Disconnect the Intelligent Power Module C3 harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the A/C Clutch Relay Co

Page 4036 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1598-A/C PRESSURE SENSOR VOLTS TOO HIGH
When Monitored and Set Condition:
P1598-A/C PRESSURE SENSOR VOLTS TOO HIGH
When Monitored: Engine running. The A/C relay energized.
Set Condition: The

Page 4037 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the A/C Pressure Sensor harness connector.
Turn the ignition on.
Measure the voltage of the A/C Pressure Sensor Signal circuit in the A/C

Page 4038 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
8NOTE: Ensure the A/C refrigerant System is properly charged per the
Service Information.
NOTE: The conditions that set the DTC are not present at this time. The
following li

Page 4039 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1599-A/C PRESSURE SENSOR VOLTS TOO LOW
When Monitored and Set Condition:
P1599-A/C PRESSURE SENSOR VOLTS TOO LOW
When Monitored: Engine running. The A/C relay energized.
Set Condition: The A

Page 4040 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the A/C Pressure Sensor harness connector.
With the DRBIIIt, monitor the A/C Pressure Sensor voltage.
Turn the ignition on.
Is the voltage

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