2000 CHRYSLER VOYAGER check engine

TEST ACTION APPLICABILITY
4 Ignition off.
Remove MAP Sensor and inspect for Vacuum restrictions.
Check connectors - Clean/repair as necessary.
Was there a restriction?All
Ye s®Remove the restriction and reinstall the MAP Sensor
Perform Powertrain Verification Test VER-5A.
No®Go To 5
5 If there are no potential causes remaining, the MAP Sensor is assumed to be
defective.
View repair options.All
Repair
Replace the MAP Sensor.
Perform Powertrain Verification Test VER-5A.
6 Engine must be running.
While monitoring the DRB display, snap the Throttle open and closed.
Did the vacuum drop rapidly below 1.09?All
Ye s®Go To 7
No®Go To 8
7 Engine must be running.
With the DRB,set the engine speed to 1500 RPM.
With the engine RPM at 1500, read MAP sensor voltage.
While monitoring the voltage, wiggle the wiring from the MAP Sensor to PCM.
Did the engine stall or voltage become erratic?All
Ye s®Repair the Wiring or Connector defective between the Map
Sensor and the PCM.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
8 Engine must be running.
With the DRB,set the engine speed to 1500 RPM.
With the engine RPM at 1500, read MAP sensor voltage.
While monitoring the voltage, wiggle the wiring from the MAP Sensor to PCM.
Did the engine stall or voltage become erratic?All
Ye s®Repair the Wiring or Connector defective between the Map
Sensor and the PCM.
Perform Powertrain Verification Test VER-5A.
No®Go To 9
9 Ignition Off
Remove the MAP Sensor and inspect condition of Intake Manifold and MAP Sensor
Vacuum Ports.
Check connectors - Clean/repair as necessary.
Is there a restriction or defect in the Vacuum Ports?All
Ye s®Repair the restricted or defective Vacuum Ports.
Perform Powertrain Verification Test VER-5A.
No®Go To 10
184
DRIVEABILITY
P-1297 NO CHANGE IN MAP FROM START TO RUN ÐContinued
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TEST ACTION APPLICABILITY
4 Ignition Off
Disconnect the PCM Connector.
Note: Check connectors - Clean/repair as necessary.
Remove the Auto Shutdown Relay.
Note: Check connectors - Clean/repair as necessary.
Using an ohmmeter, measure the resistance of the ASD Relay Output Circuit from
ASD Relay to the PCM Connector.
Is the resistance above 5.0 ohms?All
Ye s®Repair open ASD Relay Output Circuit.
Perform Powertrain Verification Test VER-2A.
No®Go To 5
5 Ignition off.
If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.All
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-2A.
6 Ignition Off
Remove the Auto Shutdown Relay.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the Fused B (+) Circuit at Relay Connector.
Is the voltage above 10.0 volts?All
Ye s®Go To 7
No®Repair the open Fused B(+) Circuit. (Check Engine Fuse in PDC)
.
Perform Powertrain Verification Test VER-2A.
7 Ignition Off
Remove the Auto Shutdown Relay.
Note: Check connectors - Clean/repair as necessary.
Install a substitute Relay for the Auto Shutdown Relay.
Attempt to start the Vehicle.
Did the engine start?All
Ye s®Replace the original Auto Shutdown Relay.
Perform Powertrain Verification Test VER-2A.
No®Go To 8
8 Ignition Off.
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Remove the Auto Shutdown Relay.
Note: Check connectors - Clean/repair as necessary.
Using an ohmmeter, measure the resistance of the ASD Relay Output Circuit from
the Auto Shutdown Relay to the PCM.
Is the resistance above 5.0 ohms?All
Ye s®Repair open ASD Relay Output Circuit.
Perform Powertrain Verification Test VER-2A.
No®Go To 9
189
DRIVEABILITY
P-1389 NO ASD RELAY OUTPUT VOLTAGE AT PCM 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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TEST ACTION APPLICABILITY
7 Ignition Off.
At the CKP Sensor, backprobe the CKP Sensor Signal Circuit with the Oscilloscope's
voltage measurement lead.
Start the Engine and observe the CKP Sensor voltage pattern on the Oscilloscope.
Are any Crankshaft Position Sensor Signals missing?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 8
No®Go To 11
8 Ignition Off.
Disconnect the CKP 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 9
9 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 10
10 Ignition Off
Remove the Crankshaft Position (CKP) Sensor.
Inspect the Slots in the Flywheel for debris or damage.
Is the Flywheel damaged?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Repair or replace as necessary.
Perform Powertrain Verification Test VER-5A.
No®Replace the Crankshaft Position Sensor.
Perform Powertrain Verification Test VER-5A.
11 Start Engine.
At PCM, backprobe CKP Sensor Signal Circuit with Oscilloscope's voltage measure-
ment lead.
While observing the Oscilloscope pattern, wiggle CKP Sensor Circuit from Sensor to
PCM.
Were any CKP Sensor 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 CKP Sensor
signal. Repair Camshaft and Crankshaft Wire Harness as neces-
sary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
193
DRIVEABILITY
P-1391 INTERMITTENT LOSS OF CMP OR CKP ÐContinued
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TEST ACTION APPLICABILITY
12 Ignition Off.
At the CMP Sensor, backprobe the CMP Sensor Signal Circuit with the Oscilloscope
voltage measurement lead.
Start the Engine and observe the CMP Sensor voltage pattern on the Oscilloscope.
Are there any of the Camshaft Position Sensor Signals missing?ENGINE - 3.0L V6
Ye s®Go To 13
No®Go To 16
13 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 - 3.0L V6
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 14
14 Ignition Off.
Disconnect the PCM.
Note: Check connectors - Clean/repair as necessary.
Inspect all Terminals.
Is any Terminal damaged, pushed out, or miswired?ENGINE - 3.0L V6
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 15
15 Ignition Off.
Remove Distributor Cap and Rotor.
Inspect the Pulse Ring for damage or misalignment.
Is the Pulse Ring okay?ENGINE - 3.0L V6
Ye s®Replace the Camshaft Position Sensor.
Perform Powertrain Verification Test VER-5A.
No®Repair or replace the Distributor Pulse Ring as necessary.
Perform Powertrain Verification Test VER-5A.
16 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 - 3.0L V6
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 17
194
DRIVEABILITY
P-1391 INTERMITTENT LOSS OF CMP OR CKP ÐContinued
ProCarManuals.com

TEST ACTION APPLICABILITY
17 Ignition Off.
At the CKP Sensor, backprobe the CKP Sensor Signal Circuit with the Oscilloscope's
voltage measurement lead.
Start the Engine and observe the CKP Sensor voltage pattern on the Oscilloscope.
Are any Crankshaft Position Sensor Signals missing?ENGINE - 3.0L V6
Ye s®Go To 18
No®Go To 21
18 Ignition Off.
Disconnect the CKP Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Inspect all Terminals.
Is any Terminal damaged, pushed out or miswired?ENGINE - 3.0L V6
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 19
19 Ignition Off.
Disconnect the PCM.
Note: Check connectors - Clean/repair as necessary.
Inspect all Terminals.
Is any Terminal damaged, pushed out or miswired?ENGINE - 3.0L V6
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 20
20 Ignition Off.
Remove the Crankshaft Position (CKP) Sensor.
Inspect the Slots in the Flywheel for debris or damage.
Is the Flywheel damaged?ENGINE - 3.0L V6
Ye s®Repair or replace as necessary.
Perform Powertrain Verification Test VER-5A.
No®Replace the Crankshaft Position Sensor.
Perform Powertrain Verification Test VER-5A.
21 Start Engine.
At PCM, backprobe CKP Sensor Signal Circuit with Oscilloscope's voltage measure-
ment lead.
While observing the Oscilloscope pattern, wiggle CKP Sensor Circuit from Sensor to
PCM.
Were any CKP Sensor Signals missing when the wiggle test was conducted?ENGINE - 3.0L V6
Ye s®Note where wiggling the wires caused a missing CKP Sensor
signal. Repair Camshaft and Crankshaft Wire Harness as neces-
sary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
195
DRIVEABILITY
P-1391 INTERMITTENT LOSS OF CMP OR CKP ÐContinued
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TEST ACTION APPLICABILITY
22 Ignition Off.
At the CMP Sensor, backprobe the CMP Sensor Signal Circuit with the Oscilloscope
voltage measurement lead.
Start the Engine and observe the CMP Sensor voltage pattern on the Oscilloscope.
Are there any of the Camshaft Position Sensor Signals missing?ENGINE - 2.0L
and 2.4L I-4
DOHC
Ye s®Go To 23
No®Go To 27
23 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 - 2.0L
and 2.4L I-4
DOHC
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 24
24 Ignition Off.
Disconnect the PCM.
Note: Check connectors - Clean/repair as necessary.
Inspect all Terminals.
Is any Terminal damaged, pushed out, or miswired?ENGINE - 2.0L
and 2.4L I-4
DOHC
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 25
25 Ignition Off.
Disconnect the CMP Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Remove & inspect the CMP Sensor & Target Magnet for damage or misalignment.
Is the Camshaft Target Magnet okay?ENGINE - 2.0L
and 2.4L I-4
DOHC
Ye s®Go To 26
No®Repair or replace Camshaft Target Magnet as necessary.
Perform Powertrain Verification Test VER-5A.
26 Ignition Off.
Disconnect the CMP Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Remove and inspect the CMP Sensor and Target Magnet for damage or mis-
alignment.
Check Camshaft endplay per pertinent service information.
Is the Camshaft endplay within specs?ENGINE - 2.0L
and 2.4L I-4
DOHC
Ye s®Replace the Camshaft Position Sensor.
Perform Powertrain Verification Test VER-5A.
No®Repair or replace Camshaft/Cylinder Head as necessary.
Perform Verification Test VER-5A.
196
DRIVEABILITY
P-1391 INTERMITTENT LOSS OF CMP OR CKP ÐContinued
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TEST ACTION APPLICABILITY
27 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 - 2.0L
and 2.4L I-4
DOHC
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 28
28 Ignition Off.
At the CKP Sensor, backprobe the CKP Sensor Signal Circuit with the Oscilloscope's
voltage measurement lead.
Start the Engine and observe the CKP Sensor voltage pattern on the Oscilloscope.
Are any Crankshaft Position Sensor Signals missing?ENGINE - 2.0L
and 2.4L I-4
DOHC
Ye s®Go To 29
No®Test Complete.
29 Ignition Off.
Disconnect the CKP Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Inspect all Terminals.
Is any Terminal damaged, pushed out or miswired?ENGINE - 2.0L
and 2.4L I-4
DOHC
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 30
30 Ignition Off.
Disconnect the PCM.
Note: Check connectors - Clean/repair as necessary.
Inspect all Terminals.
Is any Terminal damaged, pushed out or miswired?ENGINE - 2.0L
and 2.4L I-4
DOHC
Ye s®Repair Terminal(s) for damage, pushout or miswiring.
Perform Powertrain Verification Test VER-5A.
No®Go To 31
31 Ignition Off.
Remove the Crankshaft Position (CKP) Sensor.
Inspect the Crankshaft notches for debris or damage.
Are the Crankshaft notches damaged?ENGINE - 2.0L
and 2.4L I-4
DOHC
Ye s®Repair or replace the Crankshaft as necessary.
Perform Powertrain Verification Test VER-5A.
No®Replace the Crankshaft Position Sensor.
Perform Powertrain Verification Test VER-5A.
197
DRIVEABILITY
P-1391 INTERMITTENT LOSS OF CMP OR CKP ÐContinued
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