Chrysler Town, Dodge Caravan. Manual — part 715
TEST
ACTION
APPLICABILITY
3
Select the FCM active RUN - START DTC displayed on the DRB.
All
1. ORC RUN-START DRIVER OPEN
2. ORC RUN-START DRIVER OVER VOLTAGE
3. ORC RUN-START DRIVER SHORT TO GROUND
4. ORC RUN-START DRIVER OVER CURRENT
5. ORC RUN-START DRIVER OVER TEMP
6. SIACM RUN - START DRIVER OPEN
7. SIACM RUN - START DRIVER OVER VOLT
8. SIACM RUN - START SHORT TO GROUND
9. SIACM RUN - START DRIVER OVER TEMP
10. SIACM RUN-START DRIVER OVER CURRENT
4
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY
TIME, IT MUST BE REPLACED.
Disconnect the Airbag Control Module connector.
Connect the appropriate Load Tool ACM Adaptor to the Airbag Control Module
connector(s).
Connect a test light to ground and the ORC Run-Start Driver circuit at the ACM
adaptor.
WARNING: TURN THE IGNITION ON, THEN RECONNECT THE BATTERY.
Turn the ignition off, wait 90 seconds, then turn the ignition on.
With the DRBIII
t, read the active FCM DTC’s.
Does the DRB show an active ORC RUN - START DRIVER OPEN code?
All
Yes
→ Go To 5
No
→ WARNING: MAKE SURE THE BATTERY IS DISCONNECTED,
THEN WAIT TWO MINUTES BEFORE PROCEEDING. Replace
the Airbag Control Module in accordance with Service Instruc-
tions.
Perform AIRBAG VERIFICATION TEST - VER 1.
96
AIRBAG
LOSS OF IGNITION RUN - START —
Continued
TEST
ACTION
APPLICABILITY
5
Disconnect the Front Control Module.
NOTE: Check connectors - Clean and repair as necessary.
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Measure the resistance of the ORC Run - Start Driver circuit between the Front
Control Module connector and the ACM Adapter.
Is the resistance below 1.0 ohms?
All
Yes
→ Replace the Front Control Module.
Perform AIRBAG VERIFICATION TEST - VER 1.
No
→ Go To 6
6
Gain access to the connectors on the bottom of the IPM.
Disconnect the IPM C7 connector.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance of the ORC Run Only Driver circuit between the IPM C7
connector and the Airbag Control Module adaptor.
Is the resistance below 1.0 ohms?
All
Yes
→ Replace the IPM.
Perform AIRBAG VERIFICATION TEST - VER 1.
No
→ Repair the open ORC Run - Start Driver circuit.
Perform AIRBAG VERIFICATION TEST - VER 1.
7
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Front Control Module connector.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance of the ORC Run - Start Driver circuit between the Front
Control Module connector and ground.
Is the resistance below 500K ohms?
All
Yes
→ Go To 8
No
→ Replace the Front Control Module.
Perform AIRBAG VERIFICATION TEST - VER 1.
8
Gain access to the connectors on the bottom of the IPM.
Disconnect the IPM C7 connector.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance of the ORC Run - Start Driver circuit between the IPM C7
connector and ground.
Is the resistance below 500K ohms?
All
Yes
→ Go To 9
No
→ Replace the IPM.
Perform AIRBAG VERIFICATION TEST - VER 1.
97
AIRBAG
LOSS OF IGNITION RUN - START —
Continued
TEST
ACTION
APPLICABILITY
9
Disconnect the Airbag Control Module connector.
WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY
TIME, IT MUST BE REPLACED.
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool ACM Adaptor to the Airbag Control Module
connector.
Measure the resistance of the ORC Run - Start Driver circuit between the IPM C7
connector and ground.
Is the resistance below 500K ohms?
All
Yes
→ Repair the ORC Run - Start Driver circuit shorted to ground.
Perform AIRBAG VERIFICATION TEST - VER 1.
No
→ Replace the Airbag Control Module in accordance with Service
Instructions. WARNING: make sure the battery is disconnected
and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
10
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
WARNING: IF THE SIDE IMPACT AIRBAG CONTROL MODULE IS
DROPPED AT ANY TIME, IT MUST BE REPLACED.
Disconnect the Left Side Impact Airbag Control Module.
NOTE: Check connectors - Clean and repair as necessary.
WARNING: TURN THE IGNITION ON, THEN RECONNECT THE BATTERY.
NOTE: When the ignition key is turned off, the FCM will supply a diagnostic
voltage to the SIACM Run-Start Driver circuit for approximately 60 sec-
onds.
Turn the ignition off.
Measure the diagnostic voltage of the SIACM Run - Start Driver circuit between the
Left Side Impact Airbag Control Module connector and ground.
Select the results from the list below?
All
Is the voltage between 1.0 and 2.2 volts
Replace the Front Control Module.
Perform AIRBAG VERIFICATION TEST - VER 1.
Is the voltage between 2.4 and 5.0 volts
No Voltage present?
98
AIRBAG
LOSS OF IGNITION RUN - START —
Continued
TEST
ACTION
APPLICABILITY
11
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
WARNING: IF THE SIDE IMPACT AIRBAG CONTROL MODULE IS
DROPPED AT ANY TIME, IT MUST BE REPLACED.
Disconnect the Right Side Impact Airbag Control Module.
NOTE: Check connectors - Clean and repair as necessary.
WARNING: TURN THE IGNITION ON, THEN RECONNECT THE BATTERY.
NOTE: When the ignition key is turned off, the FCM will supply a diagnostic
voltage to the SIACM Run-Start Driver circuit for approximately 60 sec-
onds.
Turn the ignition off.
Measure the diagnostic voltage of the SIACM Run - Start Driver circuit at the Right
Side Impact Airbag Control Module connector.
Is there any voltage present?
All
Yes
→ WARNING: Make sure the battery is disconnected and wait 2
minutes. Replace the Left Side Impact Airbag Control Module and
repair the open SIACM Run - Start Driver circuit between the
splice and the Right Side Impact Airbag control Module connector.
Perform AIRBAG VERIFICATION TEST - VER 1.
No
→ WARNING: Make sure the battery is disconnected and wait 2
minutes. Replace the Left Side Impact Airbag Control Module and
repair the open SIACM Run - Start Driver circuit between the
splice and the Right Side Impact Airbag control Module connector.
Perform AIRBAG VERIFICATION TEST - VER 1.
12
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
WARNING: IF THE SIDE IMPACT AIRBAG CONTROL MODULE IS
DROPPED AT ANY TIME, IT MUST BE REPLACED.
Disconnect the Right Side Impact Airbag Control Module.
NOTE: Check connectors - Clean and repair as necessary.
WARNING: TURN THE IGNITION ON, THEN RECONNECT THE BATTERY.
Measure the voltage of the SIACM Run - Start Driver circuit between the Right Side
Impact Airbag Control Module connector and ground.
Is there any voltage present?
All
Yes
→ WARNING: Make sure the battery is disconnected and wait 2
minutes. Replace the Right Side Impact Airbag Control Module
and repair the open SIACM Run - Start Driver circuit between
the splice and the Left Side Impact Airbag Control Module
connector.
Perform AIRBAG VERIFICATION TEST - VER 1.
No
→ Go To 13
13
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Front Control Module.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance of the SIACM Run - Start Driver circuit between the Front
Control Module connector and the Right SIACM connector.
Is the resistance below 1.0 ohms?
All
Yes
→ Replace the Front Control Module.
Perform AIRBAG VERIFICATION TEST - VER 1.
No
→ Go To 14
99
AIRBAG
LOSS OF IGNITION RUN - START —
Continued
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