Chrysler Voyager. Manual — part 167

POSSIBLE CAUSES

FCM, RUN - START OVER VOLTAGE

RIGHT SIACM, SIACM RUN - START CIRCUIT SHORT

SIACM RUN - START CIRCUIT SHORT

STORED CODE OR INTERMITTENT CONDITION

ACTIVE CODE PRESENT

TEST

ACTION

APPLICABILITY

1

Ensure the battery is fully charged.
Turn the ignition on.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
SELECT MODULE AND DTC TYPE:

All

ACM - ACTIVE DTC

Go To

2

ACM - STORED DTC

Go To

20

LEFT SIACM - ACTIVE DTC

WARNING: TURN THE IGNITION OFF, DISCONNECT THE
BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING.
Replace the Left Side Impact Airbag Control Module in accordance
with Service Manuals.
Perform AIRBAG VERIFICATION TEST - VER 1.

LEFT SIACM - STORED DTC

Go To

20

RIGHT SIACM - ACTIVE DTC

WARNING: TURN THE IGNITION OFF, DISCONNECT THE
BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING.
Replace the Right Side Impact Airbag Control Module in accor-
dance with Service Manuals.
Perform AIRBAG VERIFICATION TEST - VER 1.

RIGHT SIACM - STORED DTC

Go To

20

FCM - ACTIVE DTC

Go To

3

FCM - STORED DTC

Go To

20

NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.

2

With the DRBIII

t, read the active FCM DTC’s.

Are there any active ORC RUN - START DRIVER DTC’s?

All

Yes

→ Go To 3

No

→ WARRING: TURN THE IGNITION OFF, DISCONNECT THE

BATTERY AND WAIT TWO MINUTES BEFORE PROCEED-
ING. Replace the Airbag Control Module in accordance with
Service Manuals.
Perform AIRBAG VERIFICATION TEST - VER 1.

95

AIRBAG

LOSS OF IGNITION RUN - START —

Continued

TEST

ACTION

APPLICABILITY

3

Select the FCM active RUN - START DTC displayed on the DRB.

All

1. ORC RUN-START DRIVER OPEN

Go To

4

2. ORC RUN-START DRIVER OVER VOLTAGE

Go To

15

3. ORC RUN-START DRIVER SHORT TO GROUND

Go To

7

4. ORC RUN-START DRIVER OVER CURRENT

Go To

7

5. ORC RUN-START DRIVER OVER TEMP

Go To

7

6. SIACM RUN - START DRIVER OPEN

Go To

10

7. SIACM RUN - START DRIVER OVER VOLT

Go To

15

8. SIACM RUN - START SHORT TO GROUND

Go To

16

9. SIACM RUN - START DRIVER OVER TEMP

Go To

16

10. SIACM RUN-START DRIVER OVER CURRENT

Go To

16

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

Manuals. 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

Go To

11

No Voltage present?

Go To

12

98

AIRBAG

LOSS OF IGNITION RUN - START —

Continued