2000 CHRYSLER VOYAGER sensor

Symptom:
P-0420 1/1 CATALYTIC CONVERTER EFFICIENCY
When Monitored and Set Condition:
P-0420 1/1 CATALYTIC CONVERTER EFFICIENCY
When Monitored: After engine warm up to 63 degrees C (147 degrees F), 180 seconds of
open throttle operation, at a speed greater than 30 Km/h (20 mph), with the engine at
1200-1700 rpm and MAP vacuum between 15.0 and 21.0 inches of mercury (Hg).
Set Condition: As catalyst efficiency deteriorates, the switch rate of the downstream O2
sensor approaches that of the upstream O2 sensor. If at any point during the test the
switch ratio reaches a predetermined value a counter is incremented by one.
POSSIBLE CAUSES
EXHAUST LEAK
ENGINE MECHANICAL PROBLEM
CATALYTIC CONVERTER DEFECTIVE
UPSTREAM O2 SENSOR OLDER THAN DOWNSTREAM O2 SENSOR
CATALYST EFFICIENCY FAILURE DOES NOT REOCCUR
TEST ACTION APPLICABILITY
1 With the DRB, read the DTCs.
Is the GLOBAL GOOD TRIPS counter displayed and equal to zero?All
Ye s®Go To 3
No®Go To 2
2 At this time the Catalyst Efficiency Failure does not exist or is an intermittent
problem.
With the DRB, read the FREEZE FRAME DATA.
With this screen, attempt to duplicate the condition that has set this fault.
While using FREEZE FRAME DATA pay particular attention to the fault setting
conditions, such as speed, temp, load, and map vacuum.
Does the Catalyst Efficiency Failure Reoccur?All
Ye s®Go To 3
No®The Catalytic Conveter Efficiency Failure no longer exists.
Perform VERIFICATION TEST VER-5A3.
3 Start Engine and let idle.
Check for exhaust leaks between the Engine and the appropriate Downstream O2
Sensor.
Are there any exhaust leaks?All
Ye s®Repair or replace leaking exhaust parts as necessary.
Perform VERIFICATION TEST VER-5A3.
No®Go To 4
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TEST ACTION APPLICABILITY
4NOTE: Check the exhaust for excessive smoke from internal oil or coolant
leaks.
Is there an oil or coolant consumption condition present?All
Ye s®Repair engine mechanical as necessary and replace Catalytic
Converter.
Perform VERIFICATION TEST VER-5A3.
No®Go To 5
5NOTE: A new Downstream O2 Sensor along with an aging Upstream O2
Sensor may cause this trouble code to set.
Review vehicle repair history.
Has the Downstream O2 Sensor been replaced without replacing the Upstream O2
Sensor?All
Ye s®Replace the appropriate Upstream Oxygen Sensor.
Perform VERIFICATION TEST VER-5A3.
No®Replace the Catalytic Converter.
Perform VERIFICATION TEST VER-5A3.
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P-0420 1/1 CATALYTIC CONVERTER EFFICIENCY ÐContinued
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Symptom:
P-0460 FUEL LEVEL UNIT NO CHANGE OVER MILES
POSSIBLE CAUSES
FUEL LEVEL SENSOR WIRING/HARNESS OBSERVABLE DEFECT
FUEL TANK OBSTRUCTED
TEST COMPLETE
TEST ACTION APPLICABILITY
1 Ignition On
With the DRB, read the Fuel Level Sensor voltage and make a note of the voltage.
Add two gallons of fuel to the Fuel Tank.
With the DRB, read the Fuel Level Sensor voltage.
Did the Fuel Level Sensor voltage decrease by at least 0.2 volts?All
Ye s®Go To 2
No®Check for an obstruction in the Fuel Tank. If ok replace Fuel
Level Sensor.
Perform Powertrain Verification Test VER-2A.
2 Ignition Off
Using the schematic as a guide, inspect the wiring and connectors.
Were any problems found?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-2A.
No®Test Complete
Perform Powertrain Verification Test VER-2A.
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Symptom:
P-0462 FUEL LEVEL SENDING UNIT VOLTS TOO LOW
POSSIBLE CAUSES
FUEL LEVEL SENSOR DEFECTIVE
FUEL LEVEL SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
FUEL LEVEL SENSOR WIRING/HARNESS INTERMITENT DEFECT
BODY CONTROL MODULE DEFECTIVE
FUEL LEVEL SENSOR WIRING/HARNESS OBSERVABLE DEFECT
TEST COMPLETE
TEST ACTION APPLICABILITY
1 Ignition On
With the DRB, read the DTC's.
is the Global Good Trip counter displayed and equal to zero?All
Ye s®Go To 2
No®Go To 5
2 Ignition Off
Disconnect the Fuel Pump Module Harness Connector.
Note: Check connectors - Clean/repair as necessary.
With the DRB, read the Fuel Level Sensor voltage.
Is the Fuel Level Sensor voltage above 4.5 volts?All
Ye s®Replace the Fuel Level Sensor.
Perform Powertrain Verification Test VER-2A.
No®Go To 3
3 Key Off
Disconnect the Body Control Module9B9(GREY) Connector.
Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the Fuel Level Sensor Signal Circuit for resistance to
ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Fuel Level Sensor Signal Circuit shorted to ground.
Perform Powertrain Verification Test VER-2A.
No®Go To 4
4 If there are no potential causes remaining, the BCM is assumed to be defective.
View repair options.All
Repair
Replace the Body Control Module.
Perform Powertrain Verification Test VER-2A.
149
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TEST ACTION APPLICABILITY
5 Ignition On
Use the schematic as a guide and wiggle the Connector & Harness.
Using the DRB, monitor the Fuel Level Sensor voltage.
Was there any Fuel Level Sensor Voltage change?All
Ye s®Repair the Harness or Connector that caused the voltage change.
Perform Powertrain Verification Test VER-2A.
No®Go To 6
6 Ignition Off
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-2A.
No®Test Complete
Perform Powertrain Verification Test VER-2A.
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P-0462 FUEL LEVEL SENDING UNIT VOLTS TOO LOW ÐContinued
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Symptom:
P-0463 FUEL LEVEL SENDING UNIT VOLTS TOO HIGH
POSSIBLE CAUSES
FUEL LEVEL SENSOR DEFECTIVE
FUEL LEVEL SENSOR SIGNAL CIRCUIT OPEN
FUEL PUMP MODULE WIRING/HARNESS INTERMITENT DEFECT
BODY CONTROL MODULE DEFECTIVE
FUEL PUMP MODULE OBSERVABLE DEFECT
FUEL PUMP MODULE GROUND CIRCUIT DEFECTIVE
TEST COMPLETE
TEST ACTION APPLICABILITY
1 Ignition On
With the DRB, read the DTC's.
Is the Global Good Trip counter dispalyed and equal to zero?All
Ye s®Go To 2
No®Go To 6
2 Key Off
Disconnect the Fuel Pump Module Connector.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper between the Fuel Level Sensor Signal Circuit and the Ground
Circuit at the Fuel Pump Module Connector.
With the DRB, read the Fuel Level Sensor voltage.
Is the voltage below 1.0 volt?All
Ye s®Replace the Fuel Level Sensor.
Perform Powertrain Verification Test VER-2A.
No®Go To 3
3 Key Off
Disconnect the Fuel Pump Module Connector.
Note: Check connectors - Clean/repair as necessary.
Measure resistance of the Ground Circuit at the Fuel Pump Module Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Ground Circuit as necessary.
Perform Powertrain Verification Test VER-2A.
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DRIVEABILITY
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TEST ACTION APPLICABILITY
4 Key Off
Disconnect the Fuel Pump Module Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Body Control Module9B9(GREY) Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the Fuel Level Sensor Signal Circuit from the BCM to
the Fuel Pump Module Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 5
No®Repair the open Fuel Level Sensor Signal Circuit.
Perform Powertrain Verification Test VER-2A.
5 If there are no potential causes remaining, the BCM is assumed to be defective.
View repair options.All
Repair
Replace the Body Control Module.
Perform Powertrain Verification Test VER-2A.
6 Ignition On
Using the schematic as a guide, wiggle the Fuel Pump Module Connector and
Harness.
Using the DRB, monitor the Fuel Level Sensor voltage.
Was there any Fuel Level Sensor voltage change?All
Ye s®Repair the Harness or Connector that caused the voltage change.
Perform Powertrain Verification Test VER-2A.
No®Go To 7
7 Ignition Off
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-2A.
No®Test Complete.
Perform Powertrain Verification Test VER-2A.
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P-0463 FUEL LEVEL SENDING UNIT VOLTS TOO HIGH ÐContinued
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Symptom:
P-0500 NO VEHICLE SPEED SENSOR SIGNAL
When Monitored and Set Condition:
P-0500 NO VEHICLE SPEED SENSOR SIGNAL
When Monitored: For 3 Speed: With engine running, transmission not in park or neutral,
brakes not applied, engine rpm greater than 1500. For 4 Speed: With the engine running,
transmission not in park or neutral, brakes not applied, engine rpm greater than 1500.
Set Condition: For 3 Speed: No signal from the vehicle speed sensor for more than 11
seconds for 2 consecutive trips. For 4 Speed: No signal from the vehicle speed sensor (TCM)
is present for more than 11 seconds for 2 consecutive trips.
POSSIBLE CAUSES
ELECTRONIC AUTO TRANSAXLE TROUBLE CODES PRESENT
8-VOLT SUPPLY CIRCUIT OPEN
PCM DEF (NO VSS SIGNAL CKT)
PCM TERMINAL DEFECTIVE
VEHICLE SPEED SENSOR GROUND CIRCUIT OPEN
VEHICLE SPEED SENSOR SIGNAL CIRCUIT WIRING HARNESS OBSERVABLE DEFECT
PINION GEAR DEFECTIVE
OUTPUT SPEED SENSOR CIRCUIT OPEN
OUTPUT SPEED SENSOR CIRCUIT SHORTED TO GROUND
VEHICLE SPEED SENSOR SIGNAL CIRCUIT OPEN
VSS SIGNAL CIRCUIT SHORTED TO GROUND
OUTPUT SPEED SENSOR DEFECTIVE
OUTPUT SPEED SENSOR DEFECTIVE (RES > 5.0)
PCM DEFECTIVE (NO VSS SIGNAL CKT)
PCM DEFECTIVE (NO VSS SIGNAL CKT)
TCM DEFECTIVE (VSS SIG CKT)
VSS DEFECTIVE
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