ignition CHRYSLER VOYAGER 2000 Diagnostic Manual

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
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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
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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
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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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Symptom:
P-0505B IDLE AIR CONTROL MOTOR CIRCUIT
POSSIBLE CAUSES
IAC MOTOR DRIVER (IAC#1) CIRCUIT OPEN
PCM CONN (IAC#1) TERM DAMAGED, PUSH OUT, OR MISWIRED
PCM DEFECTIVE (IAC#1)
TEST ACTION APPLICABILITY
1 Ignition Off
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure resistance of the IAC #1 Driver Circuit from the IAC
Motor Connector to the PCM Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 2
No®Repair the open IAC Motor Driver Control Circuit.
Perform Powertrain Verification Test VER-5A.
2 Ignition Off
Disconnect the PCM Connector.
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 3
3 Ignition Off
If there are no potential causes remaining, the PCM is assumed to be defective.
View repair options.All
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-5A.
164
DRIVEABILITY
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Symptom:
P-0505C IDLE AIR CONTROL MOTOR CIRCUIT
POSSIBLE CAUSES
IAC MOTOR DRIVER (IAC #2) CIRCUIT OPEN
PCM CONN (IAC#2) TERM DAMAGED, PUSH OUT, OR MISWIRED
PCM DEF (IAC #2)
TEST ACTION APPLICABILITY
1 Ignition Off
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure resistance of the IAC #2 Driver Circuit from the IAC
Motor Connector to the PCM Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 2
No®Repair the open IAC Motor Driver Control Circuit.
Perform Powertrain Verification Test VER-5A.
2 Ignition Off
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Visually inspect Connector.
Is any Terminal damaged, pushed out, or miswired?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
3 Ignition off.
If there are no potential causes remaining, the PCM is assumed to be defective.
View repair options.All
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-5A.
165
DRIVEABILITY
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Symptom:
P-0505D IDLE AIR CONTROL MOTOR CIRCUIT
POSSIBLE CAUSES
IAC MOTOR DRIVER (IAC#3) CIRCUIT OPEN
PCM CONN (IAC#3) TERM DAMAGED, PUSH OUT, OR MISWIRED
PCM DEF (IAC #3)
TEST ACTION APPLICABILITY
1 Ignition Off
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure resistance of the IAC #3 Driver Circuit from the IAC
Motor Connector to the PCM Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 2
No®Repair the open IAC Motor Driver Control Circuit.
Perform Powertrain Verification Test VER-5A.
2 Ignition Off
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Visually inspect Connector.
Is any Terminal damaged, pushed out, or miswired?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
3 If there are no potential causes remaining, the PCM is assumed to be defective.
View repair options.All
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-5A.
166
DRIVEABILITY
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Symptom:
P-0505E IDLE AIR CONTROL MOTOR CIRCUIT
POSSIBLE CAUSES
IAC MOTOR DRIVER (IAC#4) CIRCUIT OPEN
PCM CONN (IAC #4) TERM DAMAGED, PUSH OUT, OR MISWIRED
PCM DEF (IAC#4)
TEST ACTION APPLICABILITY
1 Ignition Off
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Visually inspect Connector.
Is any Terminal damaged, pushed out, or miswired?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 2
2 Ignition Off
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure resistance of the IAC #4 Driver Circuit from the IAC
Motor Connector to the PCM Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the open IAC Motor Driver Control Circuit.
Perform Powertrain Verification Test VER-5A.
3 Ignition off.
If there are no potential causes remaining, the PCM is assumed to be defective.
View repair options.All
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-5A.
167
DRIVEABILITY
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Symptom:
P-0600 PCM FAILURE SPI COMMUNICATIONS
When Monitored and Set Condition:
P-0600 PCM FAILURE SPI COMMUNICATIONS
When Monitored: With the ignition key on.
Set Condition: Internal Bus Communication failure between processors.
POSSIBLE CAUSES
PCM FAILURE SPI COMMUNICATIONS
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running.
With the DRB, read Trouble Codes.
Is Trouble Code PCM FAILURE SPI COMMUNICATION present?All
Ye s®Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-2A
No®Test Complete.
168
DRIVEABILITY
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