2000 CHRYSLER VOYAGER service

TEST ACTION APPLICABILITY
7 Perform Fuel Pump Amperage Test per service instructions.
Did the Fuel Pump Amperage Test pass?ENGINE - 3.0L V6
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
and/or ENGINE -
3.3L V6 FFV
Ye s®Go To 8
No®Relieve fuel pressure and repair as necessary.
Perform VERIFICATION TEST VER-5A2.
8 Perform Fuel Pump Capacity Test per service instructions.
Did the Fuel Pump Capacity Test pass?ENGINE - 3.0L V6
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
and/or ENGINE -
3.3L V6 FFV
Ye s®Go To 9
No®Relieve fuel pressure and repair as necessary.
Perform VERIFICATION TEST VER-5A2.
9 Perform Fuel Pump Pressure Test per service instructions.
Did the Fuel Pump Pressure Test pass?ENGINE - 3.0L V6
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
and/or ENGINE -
3.3L V6 FFV
Ye s®Go To 10
No®Relieve fuel pressure and repair as necessary.
Perform VERIFICATION TEST VER-5A2.
10 With the DRB, read the FREEZE FRAME DATA.
Use the freeze frame data and attempt to determine the cause of the misfire.
In the FREEZE FRAME, is the LOAD VALUE over 50% and the temp normal
operating temp?ENGINE - 3.0L V6
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
and/or ENGINE -
3.3L V6 FFV
Ye s®Go To 11
No®Go To 13
11 Engine Off.
Connect a suitable engine analyzer to the engine.
Allow the Engine to idle.
NOTE: If the Engine will not idle, maintain a constant RPM above idle.
NOTE: Set the scope to read display or parade pattern.
Remove any spark plug wire.
Observe the Secondary KV Line.
Is the open secondary voltage at least 25 KV?ENGINE - 3.0L V6
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
and/or ENGINE -
3.3L V6 FFV
Ye s®Go To 12
No®Replace the Electonic Ignition Coil.
Perform VERIFICATION TEST VER-5A2.
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DRIVEABILITY
P-0305 CYLINDER #5 MIS-FIRE ÐContinued
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TEST ACTION APPLICABILITY
18 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Connect one end of a jumper wire to the CMP Sensor Signal Circuit.
Ignition On, Engine Not Running.
With the DRB, monitor the CMP state while tapping the other end of the jumper to
Sensor Ground.
Does the current CMP state change?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 19
No®Go To 20
19 Ignition Off
Remove the Camshaft Position Sensor.
Note: Check connectors - Clean/repair as necessary.
Inspect the Camshaft Sprocket per service manual instructions.
Is the Camshaft Sprocket okay?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Replace the Camshaft Position Sensor.
Perform Powertrain Verification Test VER-5A.
No®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
20 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the CMP Sensor Signal Circuit from
the CMP Sensor Connector to the PCM.
Is the resistance below 5.0 ohms?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 21
No®Repair the open CMP Sensor Signal Circuit.
Perform Powertrain Verification Test VER-5A.
21 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the CMP Sensor Signal Circuit
and the 8-Volt Supply Circuit at the CMP Sensor Connector.
Is the resistance below 5.0 ohms?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Repair the CMP Sensor Signal Circuit for a short to the 8-volt
Supply Circuit.
Perform Powertrain Verification Test VER-5A.
No®Go To 22
11 7
DRIVEABILITY
P-0340 NO CAM SIGNAL AT PCM ÐContinued
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TEST ACTION APPLICABILITY
8 Ignition On, Engine Not Running.
With the DRB, read codes.
With the DRB, actuate the Evap Purge Solenoid.
Wiggle Wiring Harness from the Solenoid to PCM.
Does the Evap Purge Solenoid Control Circuit code return?ALL
Ye s®Repair as necessary where wiggling caused problem to appear.
Perform Powertrain Verification Test VER-5A.
No®Go To 9
9 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-5A.
No®Go To 10
10 Check the freeze frame data to determine the conditions when code was set.
Attempt duplication of 'freeze frame' conditions for added diagnostics.
If there are no other possible causes remaining there is assumed to be an9intermit-
tent9problem with a Wiring Harness Connector or Wire.
View repair options.ALL
Repair
Visually inspect related Wire Harness Connectors and Harnesses.
Look for broken, bent, pushed out, or corroded terminals and for
chafed, pierced, or partiallly broken wire, respectively. Refer to
any hotlines or technical service bulletins that apply.
11 Ignition On, Engine Not Running.
With the DRB, actuate the Evap Purge Solenoid.
With the DRB, read codes.
Is the Global Good Trip displayed and equal to 0?ALL
Ye s®Go To 12
No®Go To 18
12 Ignition Off.
Disconnect Proportional Purge Solenoid Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the Proportional Purge Solenoid.
Is the resistance 14.2 ohms +/- 1.4?ALL
Ye s®Go To 13
No®Replace the open Proportional Purge Solenoid.
Perform Powertrain Verification Test VER-5A.
145
DRIVEABILITY
P-0443 EVAP PURGE SOLENOID CIRCUIT ÐContinued
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TEST ACTION APPLICABILITY
16 Ignition Off.
Disconnect Proportional Purge Solenoid Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the battery.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using and Ohmmeter, measure the PWM Purge Sense Circuit PCM to Solenoid
Connector.
Is the resistance below 5.0 ohms?ALL
Ye s®Go To 17
No®Repair the open PWM Purge Sense Circuit.
Perform Powertrain Verification Test VER-5A.
17 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ALL
Repair
Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-5A.
18 Ignition On, Engine Not Running.
With the DRB, actuate the Evap Purge Solenoid.
With the DRB, read codes.
Wiggle Wiring Harness from the Solenoid to PCM.
Does the Evap Purge Solenoid Control Circuit code return?ALL
Ye s®Repair as necessary where wiggling caused problem to appear.
Perform Powertrain Verification Test VER-5A.
No®Go To 19
19 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-5A.
No®Go To 20
20 Check the freeze frame data to determine the conditions when code was set.
Attempt duplication of 'freeze frame' conditions for added diagnostics.
If there are no other possible causes remaining there is assumed to be an9intermit-
tent9problem with a Wiring Harness Connector or Wire.
View repair options.ALL
Repair
Visually inspect related Wire Harness Connectors and Harnesses.
Look for broken, bent, pushed out, or corroded terminals and for
chafed, pierced, or partiallly broken wire, respectively. Refer to
any hotlines or technical service bulletins that apply.
147
DRIVEABILITY
P-0443 EVAP PURGE SOLENOID CIRCUIT ÐContinued
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Symptom:
P-1281 ENGINE IS COLD TOO LONG
When Monitored and Set Condition:
P-1281 ENGINE IS COLD TOO LONG
When Monitored: Ignition key on, engine not running. Ambient temperature greater
than þ11ÉC (-11ÉF) and coolant temperature greater than þ7ÉC (19ÉF)
Set Condition: The engine does not warm to 79 degrees C (176 degrees F) while driving
for 20 minutes after start.
POSSIBLE CAUSES
ENGINE COLD TOO LONG
TEST ACTION APPLICABILITY
1 Start Engine
Drive vehicle under normal driving conditions for 20 minutes.
With the DRB, read Engine Coolant Temperature.
Did the engine warm to 79 degrees C (176 degrees F)?All
Ye s®Test Complete.
No®See pertinent service manual information for cooling system
diagnostics.
177
DRIVEABILITY
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Symptom:
P-1294 TARGET IDLE NOT REACHED
When Monitored and Set Condition:
P-1294 TARGET IDLE NOT REACHED
When Monitored: Engine idling more than 2.8 seconds and coolant temp greater than 70
degrees C (160 degrees F). For an automatic transmission, in drive mode. There must not
be a MAP Sensor or TP Sensor or speed sensor trouble code.
Set Condition: Engine idle is > 200 RPM above target idle speed or less than 100 RPM
below target idle speed for 20 seconds. Two consecutive failures in a row will store this
trouble code.
POSSIBLE CAUSES
ENG VACUUM HOSES AND COMPONENTS LEAKS
THROTTLE BODY DEFECTIVE
THROTTLE PLATE/LINKAGE NOT IN CORRECT POS
IAC WIRING HARNESS INTERMITTENT DEFECT
IAC WIRING HARNESS OBSERVABLE DEFECTIVE
TEST ACTION APPLICABILITY
1 Ignition Off
Does the engine exhibit a start and stall condition?All
Ye s®Go To 2
No®Go To 4
2 Ignition Off
Perform minimum air flow test that is described in the service information.
Is the idle RPM within the range shown in the chart?All
Ye s®Test Complete.
No®Go To 3
180
DRIVEABILITY
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TEST ACTION APPLICABILITY
3 Ignition off.
Remove the Throttle Body per service information procedure.
Note: Clean Throttle Body in a well ventilated area and wear rubber gloves.
While holding the Throttle open spray entire Throttle Body Bore with Mopar parts
cleaner.
Using a soft scuff pad, clean the Throttle Body Bore and Throttle Plate.
Using compressed air, dry the Throttle Body and install Throttle Body on Manifold.
Reconnect IAC Motor Connector and reset the IAC Motor Steps with the DRB.
Start engine and let idle.
With the DRB, actuate the minimum air flow.
Is the idle RPM within the range shown in the chart? Refer to the Service
Information.All
Ye s®Test Complete.
No®Replace the Throttle Body.
Perform Powertrain Verification Test VER-5A.
4 Ignition Off
Start engine, allow engine idle to stabilize for 60 seconds.
With the DRB, read target idle and engine RPM.
Is the engine RPM within +200/-100 RPM of target idle?All
Ye s®Go To 5
No®Go To 8
5 Ignition Off
Remove the IAC Motor from the housing.
Turn Ignition on with Engine Not Running.
With the DRB, actuate the IAC Stepper Motor.
Wiggle the Wiring Harness from the IAC Motor to the PCM.
Did the IAC stop operating at any time?All
Ye s®Repair the Harness or Connectors as necessary.
Perform Powertrain Verification Test VER-5A.
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-5A.
No®Go To 7
7 Ignition On, Engine Not Running
Check Throttle Plate and Linkage for a binding condition.
The Throttle Linkage must be free and the Throttle Plate at the idle
position.
Ensure Throttle Plate is fully closed and against its stop.
Is the Throttle Plate and Linkage okay?All
Ye s®Test Complete.
No®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
181
DRIVEABILITY
P-1294 TARGET IDLE NOT REACHED ÐContinued
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TEST ACTION APPLICABILITY
2 Ignition Off.
Disconnect the CMP Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Inspect all Terminals.
Is any Terminal damaged, pushed out or miswired?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
3 Ignition Off.
Disconnect the PCM.
Note: Check connectors - Clean/repair as necessary.
Inspect all Terminals.
Is any Terminal damaged, pushed out, or miswired?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 4
4 Ignition Off.
Disconnect the CMP Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Remove the Camshaft Position Sensor.
Inspect the Camshaft Sprocket. See pertinent service information for instructions.
Is the Camshaft Sprocket okay?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 5
No®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
5 Ignition Off.
Disconnect the CMP Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Remove the CMP Sensor.
Inspect the Camshaft Thrust Plate(s).
Are the Camshaft Thrust Plate(s) attached?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Replace the Camshaft Position Sensor.
Perform Powertrain Verification Test VER-5A.
No®Repair or replace the Camshaft Thrust Plate(s) as necessary.
Perform Powertrain Verification Test VER-5A.
6 Start Engine.
At PCM, backprobe CMP Sensor Signal Circuit with Oscilloscope's voltage measure-
ment lead.
While observing the Oscilloscope pattern, wiggle CMP Sensor Circuit from Sensor to
PCM.
Were any signals missing when the wiggle test was conducted?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Note where wiggling the Wires caused a missing CMP Sensor
Signal. Repair Camshaft and Crankshaft Wiring Harness as
necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 7
192
DRIVEABILITY
P-1391 INTERMITTENT LOSS OF CMP OR CKP ÐContinued
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