2000 CHRYSLER VOYAGER engine

TEST ACTION APPLICABILITY
6 Ignition Off
Remove the Vehicle Speed Sensor. Inspect the Speedometer Pinion Gear.
Is the Pinion Gear okay?ENGINE - 2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX
Ye s®Go To 7
No®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
7 If there are no potential causes remaining, the Vehicle Speed Sensor is assumed to be
defective.
View repair options.ENGINE - 2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX
Repair
Replace the VSS.
Perform Powertrain Verification Test VER-5A.
8 Ignition Off
Disconnect the VSS Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between the Sensor Ground Circuit and Engine
Ground.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX
Ye s®Go To 9
No®Repair the open Sensor Ground Circuit.
Perform Powertrain Verification Test VER-5A.
9 Ignition Off
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Is any Terminal damaged, pushed out or miswired?ENGINE - 2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 10
10 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ENGINE - 2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-5A.
11 Ignition Off
Disconnect the VSS Connector.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the VSS Signal Circuit from the PCM to the VSS
Connector.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX
Ye s®Go To 12
No®Repair the open Speed Sensor Signal Circuit.
Perform Powertrain Verification Test VER-5A.
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DRIVEABILITY
P-0500 NO VEHICLE SPEED SENSOR SIGNAL ÐContinued
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TEST ACTION APPLICABILITY
12 Ignition Off
Disconnect the VSS Connector.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
With the DRB in Ohmmeter mode, measure between the VSS Signal Circuit in the
Powertrain Control Module Connector.
Is the resistance below 5.0 ohms?ENGINE -2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX
Ye s®Repair the Speed Sensor Signal Circuit for a short to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 13
13 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ENGINE - 2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX Repair
Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-5A.
14 Ignition Off
Raise the Drive Wheels off the ground.
Warning: Be sure to keep hands and feet clear of rotating wheels.
Start Engine.
With DRB, read the Vehicle Speed Sensor.
Put Transmission on any forward gear.
Does the DRB show above zero MPH?ENGINE -2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 15
No®Go To 16
15 Ignition off.
Using the Schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
16 Ignition On, Engine Not Running
With the DRB, read the EATX Trouble Codes.
Are any codes P0731- P0734, P0736, P0715, P0720, P1794 present or Pinion Factor
not programmed?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX Ye s®Refer to the symptom list for problems related to Transmission.
No®Go To 17
17 Ignition Off
Disconnect the Transmission Control Module.
Note: Check connectors - Clean/repair as necessary.
Connect a Jumper Wire to the VSS Signal Circuit.
Key on.
With the DRB, read the VSS Signal.
While observing display, tap the other end of Jumper to ground.
Does the display show above zero MPH?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 18
No®Go To 25
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DRIVEABILITY
P-0500 NO VEHICLE SPEED SENSOR SIGNAL ÐContinued
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TEST ACTION APPLICABILITY
18 Ignition Off
Disconnect the Transmission Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the Output Speed Sensor
Circuit at the TCM Connector and Ground.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 19
No®Go To 21
19 Ignition off.
Disconnect the Transmission Control Module.
Disconnect the Output Speed Sensor.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the Output Speed Sensor
Circuit at the TCM Connector and Ground.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Repair the Output Speed Sensor Circuit for a short to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 20
20 If there are no potential causes remaining, the Output Speed Sensor is assumed to be
defective.
View repair options.ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Repair
Replace the Output Speed Sensor.
Perform Powertrain Verification Test VER-5A.
21 Ignition Off
Disconnect theTransmission Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between the Speed Sensor Ground Circuit and the
Output Speed Sensor Circuit at the TCM Connector..
Is the resistance between 300.0 and 1200.0 ohms?ENGINE -2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Replace the Transmission Control Module, reprogram Pinion
Factor, and perform quick learn procedure.
Perform Powertrain Verification Test VER-5A.
No®Go To 22
22 Ignition Off
Disconnect the Transmission Control Circuit.
Disconnect the Output Speed Sensor.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the Speed Sensor Ground Circuit from the TCM to the
Output Speed Sensor.
Is the resistance under 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 23
No®Repair the open Speed Sensor Ground Circuit.
Perform Powertrain Verification Test VER-5A.
157
DRIVEABILITY
P-0500 NO VEHICLE SPEED SENSOR SIGNAL ÐContinued
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TEST ACTION APPLICABILITY
23 Ignition off.
Disconnect the Transmission Control Module.
Disconnect the Output Speed Sensor.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the Output Speed Sensor (OSS) from the TCM to the
OSS.
Is the resistance under 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 24
No®Repair the open Output Speed Sensor Circuit.
Perform Powertrain Verification Test VER-5A.
24 If there are no potential causes remaining, the Output Speed Sensor is assumed to be
defective.
View repair options.ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Repair
Replace the Output Speed Sensor.
Perform Powertrain Verification Test VER-5A.
25 Ignition Off
Disconnect the Transmission Control Module.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between the VSS Signal Circuit and ground.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Repair the Vehicle Speed Sensor Signal Circuit for a short to
ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 26
26 Ignition off.
Disconnect the Transmission Control Module.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
With an Ohmmeter, measure the VSS Signal Circuit from the PCM to the TCM.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 27
No®Repair the open Vehicle Speed Sensor Signal Circuit.
Perform Powertrain Verification Test VER-5A.
27 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Repair
Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-5A.
158
DRIVEABILITY
P-0500 NO VEHICLE SPEED SENSOR SIGNAL ÐContinued
ProCarManuals.com

Symptom:
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS
When Monitored and Set Condition:
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS
When Monitored: At key on and battery voltage greater than 11.5 volts.
Set Condition: The PCM senses a short to ground or battery voltage on any of the four
IAC driver circuits for 2.75 seconds while the IAC motor is active.
POSSIBLE CAUSES
IAC #4 DRIVER CIRCUIT SHORTED TO GROUND
IDLE AIR CONTROL MOTOR DEFECTIVE
POWERTRAIN CTRL MODULE CONNECTOR OBSERVABLE DEFECT
IAC #1 DRIVER CIRCUIT SHORTED TO #2, #3, OR #4
IAC #1 DRIVER CIRCUIT SHORTED TO GROUND
IAC #2 DRIVER CIRCUIT SHORTED TO #3 OR #4
IAC #2 DRIVER CIRCUIT SHORTED TO GROUND
IAC #3 DRIVER CIRCUIT SHORTED TO #4
IAC #3 DRIVER CIRCUIT SHORTED TO GROUND
IAC MOTOR WIRING HARNESS INTERMITTENT DEFECT
IAC MOTOR WIRING HARNESS OBSERVABLE DEFECT
TEST ACTION APPLICABILITY
1 Turn ignition off for 10 seconds, then start engine and let idle.
Allow engine to reach normal operating temperature.
With the DRB in actuators, set RPM to 1400.
Is the engine speed 1400 +/- 100 RPM?All
Ye s®Go To 2
No®Go To 6
2 Turn ignition off for 10 seconds, then start engine and let idle.
Allow engine to reach normal operating temperature.
With the DRB in actuators, set RPM to 900.
Is the engine speed 900 +/- 100 RPM?All
Ye s®Go To 3
No®Go To 6
159
DRIVEABILITY
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TEST ACTION APPLICABILITY
3 Turn ignition off for 10 seconds, then start engine and let idle.
Allow engine to reach normal operating temperature.
With the DRB in Systems Test, perform the IAC Wiggle Test.
Note: The idle speed should raise and lower with the display.
Does the IAC Motor operate properly?All
Ye s®Go To 4
No®Go To 6
4 Turn ignition off for 10 seconds, then start engine and let idle. Allow engine to reach
normal operating temperature.
With the DRB in Systems Test, perform the IAC Wiggle Test.
Note: The idle speed should raise and lower with the display.
Wiggle the Wiring Harness from the IAC Motor to the PCM.
Observe for the IAC Motor to stop operating.
Did the IAC Motor stop operating at any time?All
Ye s®Repair the Harness or Connectors as necessary.
Perform Powertrain Verification Test VER-5A.
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-5A.
No®Test Complete.
6 Start engine and let idle.
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the IAC Driver #1 Circuit.
Was the voltage over 5.0 volts at any time?All
Ye s®Go To 7
No®Refer to symptom P-0505B IDLE AIR CONTROL MOTOR CIR-
CUIT in the DRIVEABILITY category.
7 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between IAC #4 Driver and ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC #4 Driver Circuit shorted to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 8
160
DRIVEABILITY
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS ÐContinued
ProCarManuals.com

TEST ACTION APPLICABILITY
8 Start engine and let idle.
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the IAC Driver #2 Circuit.
Was the voltage over 5.0 volts at any time?All
Ye s®Go To 9
No®Refer to symptom P-0505C IDLE AIR CONTROL MOTOR CIR-
CUIT in the DRIVEABILITY category.
9 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between IAC #1 Driver and ground..
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC #1 Driver Circuit shorted to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 10
10 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between IAC #2 Driver and ground..
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC #2 Driver Circuit shorted to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 11
11 Start engine and let idle.
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the IAC Driver #3 Circuit.
Was the voltage over 5.0 volts at any time?All
Ye s®Go To 12
No®Refer to symptom P-0505D IDLE AIR CONTROL MOTOR CIR-
CUIT in the DRIVEABILITY category.
12 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between IAC #3 Driver and ground..
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC #3 Driver Circuit shorted to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 13
161
DRIVEABILITY
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS ÐContinued
ProCarManuals.com

TEST ACTION APPLICABILITY
13 Start engine and let idle.
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the IAC Driver #4 Circuit.
Was the voltage over 5.0 volts at any time?All
Ye s®Go To 14
No®Refer to symptom P-0505E IDLE AIR CONTROL MOTOR CIR-
CUIT in the DRIVEABILITY category.
14 Ignition Off
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Is any Terminal damaged, pushed out or miswired?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 15
15 Ignition Off
Disconnect the IAC Motor 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 IAC #1 Driver and #2, #3,
#4 Drivers.
Is the resistance below 5.0 ohms on any of the Drivers?All
Ye s®Repair the IAC Driver Circuits shorted together.
Perform Powertrain Verification Test VER-5A.
No®Go To 16
16 Ignition Off
Disconnect the IAC Motor 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 IAC #2 Driver and #3, #4
Drivers.
Is the resistance below 5.0 ohms on any of the Drivers?All
Ye s®Repair the IAC Driver Circuits shorted together.
Perform Powertrain Verification Test VER-5A.
No®Go To 17
17 Ignition Off
Disconnect the IAC Motor 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 IAC #3 Driver and #4
Driver.
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC Driver Circuits shorted together.
Perform Powertrain Verification Test VER-5A.
No®Go To 18
162
DRIVEABILITY
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS ÐContinued
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