2000 CHRYSLER VOYAGER ignition

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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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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