Chrysler Pacifica. Manual — part 367
TEST
ACTION
APPLICABILITY
6
WARNING: The fuel system is under a constant pressure even with the
engine off. Before opening the fuel system the fuel pressure must be release.
Relieve the fuel pressure in accordance with the service information.
Remove the Fuel Tank in accordance with the Service Information.
Remove the Fuel Pump Module.
Visually inspect the inside of the Fuel Tank for any obstructions or deformities.
Inspect the Fuel Pump Module Float arm for damage.
Inspect the Siphon hose for blockage, kinks, or disconnected.
Were any problems found?
All
Yes
→ Repair or replace as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 7
7
If there are no possible causes remaining, view repair.
All
Repair
Replace the Fuel Level Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
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P0461-FUEL LEVEL SENSOR #1 PERFORMANCE —
Continued
Symptom List:
P0462-FUEL LEVEL SENSOR #1 LOW
P0463-FUEL LEVEL SENSOR #1 HIGH
P2067-FUEL LEVEL SENSOR #2 LOW
P2068-FUEL LEVEL SENSOR #2 HIGH
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0462-FUEL LEVEL SENSOR #1
LOW.
When Monitored and Set Condition:
P0462-FUEL LEVEL SENSOR #1 LOW
When Monitored:
Ignition on and battery voltage above 10.4 volts.
Set Condition:
The fuel level sensor signal voltage goes below 0.1961 volts for more than
5 seconds. One Trip Fault.
P0463-FUEL LEVEL SENSOR #1 HIGH
When Monitored:
Ignition on and battery voltage above 10.4 volts.
Set Condition:
The fuel level sensor signal voltage at the PCM goes above 4.7 volts for
more than 5 seconds. One Trip Fault.
P2067-FUEL LEVEL SENSOR #2 LOW
When Monitored:
Ignition on and battery voltage above 10.4 volts.
Set Condition:
The fuel level sensor signal voltage goes below 0.1961 volts for more than
5 seconds. One Trip Fault.
P2068-FUEL LEVEL SENSOR #2 HIGH
When Monitored:
Ignition on and battery voltage above 10.4 volts.
Set Condition:
The fuel level sensor signal voltage at the PCM goes above 4.7 volts for
more than 5 seconds. One Trip Fault.
POSSIBLE CAUSES
GOOD TRIP EQUAL TO ZERO
INTERMITTENT CONDITION
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TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, read DTC’s.
Is the Good Trip displayed and equal to zero?
All
Yes
→ Refer to the Instrument Cluster Category and perform the appro-
priate symptoms.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Refer to the INTERMITTENT CONDITION symptom in the
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
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P0462-FUEL LEVEL SENSOR #1 LOW —
Continued
Symptom:
P0480-COOLING FAN 1 CONTROL CIRCUIT
When Monitored and Set Condition:
P0480-COOLING FAN 1 CONTROL CIRCUIT
When Monitored:
With the ignition on. Battery voltage greater than 10 volts.
Set Condition:
An open or shorted circuit is detected in the radiator fan relay control
circuit system. One Trip Fault.
POSSIBLE CAUSES
RADIATOR FAN RELAY INTERMITTENT OPERATION
INTERMITTENT CONDITION
(Z723) GROUND CIRCUIT
(A112) FUSED B+ OUTPUT CIRCUIT
POWERTRAIN CONTROL MODULE
(K173) RADIATOR FAN RELAY CONTROL CIRCUIT OPEN
(K173) RADIATOR FAN RELAY CONTROL CIRCUIT SHORT TO BATTERY VOLTAGE
(K173) RADIATOR FAN RELAY CONTROL CIRCUIT SHORT TO GROUND
RADIATOR FAN RELAY
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, actuate the Radiator Fan Relay.
Are both Radiator Fan operating?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition on.
With the DRBIII
t, actuate the Radiator Fan Relay.
Wiggle the wiring harness from the Radiator Fan Relay to the PCM while the relay
is actuating.
Did the Radiator Fan Relay stop when wiggling the wiring harness?
All
Yes
→ Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Refer to the INTERMITTENT CONDITION symptom in the
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
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DRIVEABILITY - NGC
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