display CHRYSLER VOYAGER 2000 Diagnostic Manual

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.
106
DRIVEABILITY
P-0305 CYLINDER #5 MIS-FIRE ÐContinued
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TEST ACTION APPLICABILITY
12 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.
Follow the equipment manufacturer's procedure for pattern analysis.
Is the secondary ignition pattern OK?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 13
No®Repair the indicated component in the Secondary Ignition Sys-
tem.
Perform VERIFICATION TEST VER-5A2.
13 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 ENGINE RPM over 3000 and the operating temp
normal?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®Lab scope cam and crank sensor, check valve timing, running
vacuum test.
Perform VERIFICATION TEST VER-5A2.
No®Go To 14
14The following additional items should be checked as possible mechanical
problems:
ENGINE VACUUM - must be at least 13 inches in neutral
ENGINE VALVE TIMING - must be within specifications
ENGINE COMPRESSION - must be within specifications
ENGINE EXHAUST SYSTEM - must be free of any restrictions
ENGINE PCV SYSTEM - must flow freely
ENGINE DRIVE SPROCKETS - must be properly positioned
TORQUE CONVERTER STALL SPEED - must be within specifications
POWER BRAKE BOOSTER - no internal vacuum leaks
FUEL - must be free of contamination
FUEL INJECTOR - plugged or restricted injector; control wire not connected to
correct injector
Are there any engine mechanical problems?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®Repair as necessary.
Perform VERIFICATION TEST VER-5A2.
No®Go To 15
15 The following are other possible causes for mis-fire:
Injector harness connectors, ignition coil circuit, spark plug, mechanical engine
problem, PCM power grounds, irregular cam and crank signal, injectors, restricted
exhaust, intake restriction, PCM, Evap System, EGR System, damaged trigger
wheel, and
accessory drive belts.
Do any of the above causes exist?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®Repair as necessary.
Perform VERIFICATION TEST VER-5A2.
No®Test Complete.
107
DRIVEABILITY
P-0305 CYLINDER #5 MIS-FIRE ÐContinued
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Symptom:
P-0320 NO CRANK REFERENCE SIGNAL AT PCM
When Monitored and Set Condition:
P-0320 NO CRANK REFERENCE SIGNAL AT PCM
When Monitored: During cranking, with battery voltage between 4.0 volts and 11.6 volts
and manifold vacuum present.
Set Condition: No signal from the crank position sensor is present during engine
cranking or the cam position signal is present with no crank signal.
POSSIBLE CAUSES
CKP SENSOR DEFECTIVE
CRANK POSITION SENSOR GROUND CIRCUIT OPEN
CRANKSHAFT NOTCHES DAMAGED
FLYWHEEL DAMAGED
8-VOLT SUPPLY CIRCUIT OPEN
8-VOLT SUPPLY CIRCUIT SHORT TO GROUND
CKP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
CMP/CKP SENSOR WIRING HARNESS INTERMITTENT DEFECT
CMP/CKP SENSOR WIRING HARNESS OBSERVABLE DEFECT
CRANK POSITION SENSOR SIGNAL CIRCUIT OPEN
PCM DEFECTIVE
PCM DEFECTIVE (NO CRANK REF SIG)
TEST ACTION APPLICABILITY
1 Cycle the ignition off, then on.
Attempt to start engine.
With the DRB in Input/Output display, read the current CMP and CKP states.
Did the CMP or CKP states change to present while cranking engine?All
Ye s®Go To 2
No®Go To 6
2 Cycle the ignition off, then on.
Attempt to start engine.
With the DRB in Input/Output display, read the current CMP and CKP states.
Did only the CMP state change while cranking engine?All
Ye s®Go To 6
No®Go To 3
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DRIVEABILITY
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TEST ACTION APPLICABILITY
3 Cycle the ignition off, then on.
Attempt to start engine.
With the DRB in Input/Output display, read the current CMP and CKP states.
Did only the CKP state change?All
Ye s®Refer to symptom P-0340 NO CAM SIGNAL AT PCM in the
DRIVEABILITY category.
No®Go To 4
4 Start the engine.
Wiggle the Wiring Harness from CMP and CKP Sensors to the Powertrain Control
Module.
Did the engine miss or die out when wiggling Wires?All
Ye s®Repair Circuit as necessary where wiggling caused the engine to
miss or die out.
Perform Powertrain Verification Test VER-2A.
No®Go To 5
5 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.
6 Ignition Off
Disconnect the Crank Position (CKP) Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Turn ignition on.
Using a voltmeter, measure voltage from the 8-Volt Supply Circuit.
Is the voltage above 7.0 volts?All
Ye s®Go To 7
No®Go To 15
7 Ignition Off
Disconnect the Crank Position (CKP) Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the Sensor Ground Circuit for resistance from the CKP
Sensor Connector to a good ground.
Is the resistance below 5.0 ohms?All
Ye s®Go To 8
No®Repair the open Sensor Ground Circuit.
Perform Powertrain Verification Test VER-2A.
109
DRIVEABILITY
P-0320 NO CRANK REFERENCE SIGNAL AT PCM ÐContinued
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Symptom:
P-0340 NO CAM SIGNAL AT PCM
When Monitored and Set Condition:
P-0340 NO CAM SIGNAL AT PCM
When Monitored: During engine cranking, after 64 crank position signals.
Set Condition: If no signal from the cam position sensor is present with crank signal, the
code will set.
POSSIBLE CAUSES
ENGINE DOES NOT START
8-VOLT SUPPLY CIRCUIT OPEN
CAMSHAFT SPROCKET OBSERVABLE DEFECT
CMP SENSOR GROUND CIRCUIT OPEN
CMP SENSOR WIRING HARNESS OBSERVABLE DEFECT
DISTRIBUTOR AND PULSE RING OBSERVABLE DEFECT
CAMSHAFT TARGET MAGNET OBSERVABLE DEFECT
CMP SENSOR DEFECTIVE
CMP SENSOR CONNECTOR OBSERVABLE DEFECT
PCM DEFECTIVE
CMP SENSOR SIGNAL CIRCUIT OPEN
CMP SENSOR SIGNAL CIRCUIT SHORTED TO 8-VOLT SUPPLY
CMP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
CMP SENSOR SIGNAL CIRCUIT SHORTED TO SENSOR GROUND
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running.
Using the DRB, read Trouble Codes.
Is the Global Good Trip displayed and equal to 0?ENGINE - 2.0L
and 2.4L
Ye s®Go To 2
No®Go To 12
2 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Turn ignition on.
Using a Voltmeter, measure the 8-Volt Supply Circuit.
Is the voltage above 7.0 volts?ENGINE - 2.0L
and 2.4L
Ye s®Go To 3
No®Repair the open 8-Volt Supply Circuit.
Perform Powertrain Verification Test VER-5A.
11 3
DRIVEABILITY
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TEST ACTION APPLICABILITY
13 Ignition Off
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?ENGINE - 2.0L
and 2.4L
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
14 Ignition On, Engine Not Running.
Using the DRB, read Trouble Codes.
Is the Global Good Trip displayed and equal to 0?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 15
No®Go To 25
15 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Turn ignition on.
Using a Voltmeter, measure the 8-Volt Supply Circuit.
Is the voltage above 7.0 volts?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 16
No®Repair the open 8-Volt Supply Circuit.
Perform Powertrain Verification Test VER-5A.
16 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the CMP Sensor Ground Circuit from
the CMP Sensor Connector to a good ground.
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 17
No®Repair the open CMP Sensor Ground Circuit to the Harness
splice.
Perform Powertrain Verification Test VER-5A.
17 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
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 as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 18
11 6
DRIVEABILITY
P-0340 NO CAM SIGNAL AT PCM ÐContinued
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TEST ACTION APPLICABILITY
27 Ignition On, Engine Not Running.
Using the DRB, read Trouble Codes.
Is the Global Good Trip displayed and equal to 0?ENGINE - 3.0L V6
Ye s®Go To 28
No®Go To 38
28 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Turn ignition on.
Using a Voltmeter, measure the 8-Volt Supply Circuit.
Is the voltage above 7.0 volts?ENGINE - 3.0L V6
Ye s®Go To 29
No®Repair the open 8-Volt Supply Circuit.
Perform Powertrain Verification Test VER-5A.
29 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the CMP Sensor Ground Circuit from
the CMP Sensor Connector to a good ground.
Is the resistance below 5.0 ohms?ENGINE - 3.0L V6
Ye s®Go To 30
No®Repair the open CMP Sensor Ground Circuit to the Harness
splice.
Perform Powertrain Verification Test VER-5A.
30 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Is any Terminal damaged, pushed out, or miswired?ENGINE - 3.0L V6
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 31
31 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 - 3.0L V6
Ye s®Go To 32
No®Go To 33
11 9
DRIVEABILITY
P-0340 NO CAM SIGNAL AT PCM ÐContinued
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Symptom:
P-0351 IGNITION COIL #1 PRIMARY CIRCUIT
When Monitored and Set Condition:
P-0351 IGNITION COIL #1 PRIMARY CIRCUIT
When Monitored: With battery voltage greater than 8 volts during engine cranking or
greater than 12 volts with engine running, and none of the coils in dwell when checked.
Set Condition: Peak current is not achieved with 2.5ms of dwell. It takes 3 seconds during
cranking or up to 6 seconds while running to set.
POSSIBLE CAUSES
ASD OUTPUT CIRCUIT OPEN
IGNITION COIL #1 CONNECTOR TERMINAL OBSERVABLE DEF
IGNITION COIL #1 DRIVER CIRCUIT OPEN
IGNITION COIL #1 DRIVER CIRCUIT SHORTED TO GROUND
IGNITION COIL CIRCUIT WIRING HARNESS INTER DEFECT
IGNITION COIL CIRCUIT WIRING HARNESS OBS DEFECT
IGNITION COIL #1 RESISTANCE ABOVE 2.0 OHMS
PCM DEFECTIVE (IGN COIL #1)
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running
With the DRB, read codes.
Is the Global Good Trip displayed and equal to 0?All
Ye s®Go To 2
No®Go To 8
2 Ignition Off
Disconnect the Ignition Coil Connector.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
With the DRB, actuate Ignition Coil #1.
With a Voltmeter, measure the ASD Output Circuit.
Is the voltage above 10.0 volts?All
No®Repair the open ASD Output Circuit.
Perform Powertrain Verification Test VER-5A.
Ye s®Go To 3
122
DRIVEABILITY
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Symptom:
P-0352 IGNITION COIL #2 PRIMARY CIRCUIT
When Monitored and Set Condition:
P-0352 IGNITION COIL #2 PRIMARY CIRCUIT
When Monitored: With battery voltage greater than 8 volts during engine cranking or
greater than 12 volts with engine running, and none of the coils in dwell when checked.
Set Condition: Peak current is not achieved with 2.5ms of dwell. It takes 3 seconds during
cranking or up to 6 seconds while running to set.
POSSIBLE CAUSES
AUTO SHUTDOWN OUTPUT CIRCUIT OPEN
IGNITION COIL #2 CONNECTOR TERMINAL OBSERVABLE DEF
IGNITION COIL #2 DRIVER CIRCUIT OPEN
IGNITION COIL #2 DRIVER CIRCUIT SHORTED TO GROUND
IGNITION COIL CIRCUIT WIRING HARNESS INTER DEFECT
IGNITION COIL CIRCUIT WIRING HARNESS OBS DEFECT
IGNITION COIL #2 DEFECTIVE
PCM DEFECTIVE (IGN COIL #2)
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running
With the DRB, read codes.
Is the Global Good Trip displayed and equal to 0?All
Ye s®Go To 2
No®Go To 8
2 Ignition Off
Disconnect the Ignition Coil Connector.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
With the DRB, actuate Ignition Coil #2.
With a Voltmeter, measure the ASD Output Circuit.
Is the voltage above 10.0 volts?All
Ye s®Go To 3
No®Repair the open ASD Output Circuit.
Perform Powertrain Verification Test VER-2A.
125
DRIVEABILITY
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Symptom:
P-0353 IGNITION COIL #3 PRIMARY CIRCUIT
When Monitored and Set Condition:
P-0353 IGNITION COIL #3 PRIMARY CIRCUIT
When Monitored: With battery voltage greater than 8 volts during engine cranking or
greater than 12 volts with engine running, and none of the coils in dwell when checked.
Set Condition: Peak current is not achieved with 2.5ms of dwell. It takes 3 seconds during
cranking or up to 6 seconds while running to set.
POSSIBLE CAUSES
ASD OUTPUT CIRCUIT OPEN
IGNITION COIL CONNECTOR #3 TERMINAL OBSERVABLE DEF
IGNITION COIL #3 DRIVER CIRCUIT OPEN
IGNITION COIL #3 DRIVER CIRCUIT SHORTED TO GROUND
IGNITION COIL CIRCUIT WIRING HARNESS INTER DEFECT
IGNITION COIL CIRCUIT WIRING HARNESS OBS DEFECT
IGNITION COIL #3 RESISTANCE NOT ABOVE 2.0 OHMS
PCM DEFECTIVE (IGN COIL #3)
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running
With the DRB, read codes.
Is the Global Good Trip displayed and equal to 0?Engine Ð 3.3L V6
and/or 3.8L V6
and/or Engine Ð
3.3L V6 FFV
Ye s®Go To 2
No®Go To 8
2 Ignition Off
Disconnect the Ignition Coil Connector.
Note: Check connectors - Clean/repair as necessary.
Key on.
With the DRB, actuate Ignition Coil #3.
With a Voltmeter, probe the ASD Output Circuit.
Is the voltage above 10.0 volts?Engine Ð 3.3L V6
and/or 3.8L V6
and/or Engine Ð
3.3L V6 FFV
Ye s®Go To 3
No®Repair the open ASD Output Circuit.
Perform Powertrain Verification Test VER-2A.
128
DRIVEABILITY
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