2001 CHRYSLER VOYAGER Service Manual

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Page 73 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Disconnect the Front Control Module.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance of the ORC Run Only Driver circuit between the Front
Con

Page 74 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
7 Gain access to the connectors on the bottom of the IPM.
Disconnect the IPM C7 connector.
Disconnect the Occupant Restraint Controller.
NOTE: Check connectors - Clean and re

Page 75 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom List:
FCM, SIACM RUN-START DRIVER OPEN - ACTIVE
FCM, SIACM RUN-START DRIVER OVER CURRENT - ACTIVE
FCM, SIACM RUN-START DRIVER OVER TEMP - ACTIVE
FCM, SIACM RUN-START DRIVER OVER VOLT - ACTIVE

Symptom List:
FCM, SIACM RUN-START DRIVER OPEN - ACTIVE
FCM, SIACM RUN-START DRIVER OVER CURRENT - ACTIVE
FCM, SIACM RUN-START DRIVER OVER TEMP - ACTIVE
FCM, SIACM RUN-START DRIVER OVER VOLT - ACTIVE
FCM, SIACM RUN-START DRIVER SHORT TO GROUND - ACTIVE
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be FCM, SIACM RUN-START
DRIVER OPEN - ACTIVE.
When Monitored and Set Condition:
FCM, SIACM RUN-START DRIVER OPEN - ACTIVE
When Monitored: When the ignition is turned OFF, the microprocessor controlled
transistor (high side driver) places a diagnostic voltage on the SIACM Run-Start circuit for
60 seconds. An open high side driver (HSD) circuit voltage is between 2.4 and 5.0 volts.
Set Condition: This code will set within 10 second, if the microprocessor senses 2.4 to 5.0
volts on the HSD. Note: the diagnostic voltage will only last for 60 seconds after the
ignition is turned off.
FCM, SIACM RUN-START DRIVER OVER CURRENT - ACTIVE
When Monitored: The FCM uses a microprocessor controlled transistor (high side driver)
to supply power to the SIACM. The microprocessor monitors the high side driver (HSD)
internal temperature when the ignition is in the Run or Start position.
Set Condition: The code will set within 1 second, if the microprocessor senses high HSD
internal temperature. The high temperature is caused by over current.
FCM, SIACM RUN-START DRIVER OVER TEMP - ACTIVE
When Monitored: The FCM uses a microprocessor controlled transistor (high side driver)
to supply power to the SIACM. The microprocessor monitors high side driver (HSD)
internal temperature when the ignition is in the Run or Start position.
Set Condition: The code will set within 2.5 second, if the microprocessor senses high HSD
internal temperature. The high temperature is caused by over current.
FCM, SIACM RUN-START DRIVER OVER VOLT - ACTIVE
When Monitored: The FCM uses a microprocessor controlled transistor (high side driver)
to supply power to the SIACM circuit. The microprocessor monitors the battery voltage
when the ignition is in the run or start position.
Set Condition: The code will set if the microprocessor senses the battery voltage is over
30 volts.
46
AIRBAG

Page 76 of 4284

CHRYSLER VOYAGER 2001 Service Manual FCM, SIACM RUN-START DRIVER SHORT TO GROUND - ACTIVE
When Monitored: The FCM uses a microprocessor controlled transistor (high side driver)
to supply power to the SIACM. The microprocessor monitors hi

Page 77 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
1 Ensure that the battery is fully charged.
Turn the ignition on.
With the DRBIIIt, read the active FCM DTCs.
NOTE: The SIACM RUN-START DRIVER OPEN code may not set until the

Page 78 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Disconnect the Right Side Impact Airbag Control Module.
NOTE: Check connectors - Clean and repair as necessary.
Measure the voltage of the SIACM Run-Start Driver circuit at

Page 79 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
6 Gain access to the connectors on the bottom of the IPM.
Disconnect the IPM C7 connector.
Disconnect the Left Side Impact Airbag Control Module.
NOTE: Check connectors - Cle

Page 80 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
10 The SIACM Run-Start Driver circuit must be SHORTED for the result of this test to
be valid
Disconnect the IPM C7 connector.
Disconnect the Left Side Impact Airbag Control

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