2000 CHRYSLER VOYAGER Diagnostic Manual

TEST ACTION APPLICABILITY
18 If there are no potential causes remaining, the Idle Air Control Motor is assumed to
be defective.
View repair options.All
Repair
Replace the Idle Air Control Motor.
Perform Powertrain Verification Test VER-5A.
163
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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Symptom:
P-0601 INTERNAL CONTROLLER FAILURE
When Monitored and Set Condition:
P-0601 INTERNAL CONTROLLER FAILURE
When Monitored: With the ignition key on.
Set Condition: Internal checksum for software failed, does not match calculated value.
POSSIBLE CAUSES
INTERNAL CONTROLLER FAILURE
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running.
With the DRB, read Trouble Codes.
Is Trouble Code INTERNAL CONTROLLER FAILURE present?All
Ye s®Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-2A
No®Test Complete.
169
DRIVEABILITY
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Symptom:
P-0645 A/C CLUTCH RELAY CIRCUIT
When Monitored and Set Condition:
P-0645 A/C CLUTCH RELAY CIRCUIT
When Monitored: With the ignition key on and battery voltage greater than 10 volts.
Set Condition: An open or shorted condition is detected in the A/C clutch relay control
circuit.
POSSIBLE CAUSES
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
AIR CONDITIONING CLUTCH RELAY DEFECTIVE
A/C CLUTCH RELAY CIRCUIT WITHOUT INTER DEFECT
A/C CLUTCH RELAY CIRCUIT WITHOUT OBSER DEFECT
A/C CLUTCH RELAY CONTROL CIRCUIT SHORT TO GROUND
AIR CONDITIONING CLUTCH RELAY CONTROL CIRCUIT OPEN
PCM DEF (A/C CLUTCH RELAY)
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running
Actuate the Air Conditioning Clutch Relay.
Is the Air Conditioning Clutch Relay clicking?All
Ye s®Go To 2
No®Go To 4
2 Ignition On, Engine Not Running
Actuate the Air Conditioning Clutch Relay.
Wiggle the Wiring Harness from the Relay to the PCM.
Did the wiggling interrupt the clicking?All
Ye s®Repair as necessary where wiggling caused the clicking to be
interrupted.
Perform Powertrain Verification Test VER-2A.
No®Go To 3
3 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.
170
DRIVEABILITY
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