Chrysler Voyager. Manual — part 154

STORED ENERGY FIRING 1

When Monitored:

With the ignition on, the module on board diagnostics continuously

performs internal circuit tests.

Set Condition:

This DTC will set if the module identifies an out of range internal circuit.

POSSIBLE CAUSES

AIRBAG CONTROL MODULE - ACM

SIDE IMPACT AIRBAG CONTROL MODULE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
NOTE: Ensure the battery is fully charged.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
WARNING: IF THE MODULE IS DROPPED AT ANY TIME, IT MUST BE
REPLACED.
Select the appropriate module and DTC type combination:

All

ACM - ACTIVE DTC

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

ACM - STORED DTC

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

SIACM - ACTIVE DTC

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

SIACM - STORED DTC

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

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

43

AIRBAG

ACCELEROMETER 1 —

Continued

Symptom List:

AIRBAG WARNING INDICATOR OPEN
AIRBAG WARNING INDICATOR SHORT

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be AIRBAG WARNING INDICATOR
TEST.

When Monitored and Set Condition:

AIRBAG WARNING INDICATOR OPEN

When Monitored:

With ignition on the ACM monitors the PCI Bus for a message from the

MIC containing the airbag warning indicator status. The ACM request the warning lamp
status from the MIC once every second.

Set Condition:

This DTC will set immediately if the indicator status is OPEN.

AIRBAG WARNING INDICATOR SHORT

When Monitored:

With ignition on the ACM monitors the PCI Bus for a message from the

MIC containing the airbag warning indicator status. The ACM request the warning lamp
status from the MIC once every second.

Set Condition:

This DTC will set immediately if the indicator status is SHORT.

POSSIBLE CAUSES

MIC, COMMUNICATION FAILURE

WARNING INDICATOR

ACM, WARNING INDICATOR

STORED CODE OR INTERMITTENT CONDITION

ACTIVE CODE PRESENT

TEST

ACTION

APPLICABILITY

1

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

All

ACM - ACTIVE DTC

Go To

2

ACM - STORED DTC

Go To

5

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

44

AIRBAG

TEST

ACTION

APPLICABILITY

2

With the DRBIII

t, ensure PCI Bus communications with the Instrument Cluster.

Is the Instrument Cluster communicating on the PCI Bus?

All

Yes

→ Go To 3

No

→ Refer to category COMMUNICATION CATEGORY and select the

related symptom NO RESPONSE or INSTRUMENT CLUSTER
BUS +/- SIGNAL OPEN.

3

With the DRBIII

t select PASSIVE RESTRAINTS, AIRBAG and MONITOR DIS-

PLAY.
Using the DRBIII

t, read the WARNING LAMP MONITOR screen.

Select the LAMP STATUS displayed on the DRB monitors screen.
Observe the Lamp Driver State and Actual lamp
Is the LAMP DRIVER and ACTUAL LAMP STATE: OK?

All

YES

Go To

4

NO

Replace Instrument Cluster.
Perform AIRBAG VERIFICATION TEST - VER 1.

4

WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
If there are no possible causes remaining, view repair.

All

Repair

Replace the Airbag Control Module in accordance with Service
Manuals. WARNING: IF THE AIRBAG CONTROL MODULE
IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Perform AIRBAG VERIFICATION TEST - VER 1.

5

With the DRBIII

t, record and erase all DTC’s from all Airbag modules.

If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch
positions.
If any ACTIVE codes are present they must be resolved before diagnosing any stored
codes.
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Look for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed
out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possible intermittent
problem.
Reconnect any disconnected components and harness connector.
WARNING: TURN THE IGNITION ON, THEN RECONNECT THE BATTERY.
With the DRBIII

t monitor active codes as you work through the following steps.

WARNING: MAINTAIN A SAFE DISTANCE FROM ALL AIRBAGS WHILE
PERFORMING THE FOLLOWING STEPS.
Wiggle the wiring harness and connectors of the related airbag circuit or component.
If codes are related to the Driver circuits, rotate the steering wheel from stop to stop.
You have just attempted to simulate the condition that initially set the trouble code
message.
Did the DTC become active?

All

Yes

→ Select appropriate symptom from Symptom List.

No

→ No problem found at this time. Erase all codes before returning

vehicle to customer.

45

AIRBAG

AIRBAG WARNING INDICATOR OPEN —

Continued

Symptom:

CALIBRATION MISMATCH

When Monitored and Set Condition:

CALIBRATION MISMATCH

When Monitored:

With ignition on, the ACM monitors the PCI Bus for the VIN message

containing the body style. Note: The VIN message should match the vehicle VIN plate.

Set Condition:

If the Body style stored in ACM does not exactly match the vehicle body

style indicated by the PCM for 2 consecutive VIN messages, then the fault shall be set.

POSSIBLE CAUSES

PCM, PCI COMMUNICATION FAILURE

PCM VEHICLE IDENTIFICATION NUMBERS INCORRECT OR MISSING

ACM CALIBRATION MISMATCH

STORED CODE OR INTERMITTENT CONDITION

ACTIVE CODE PRESENT

TEST

ACTION

APPLICABILITY

1

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

All

ACM - ACTIVE DTC

Go To

2

ACM - STORED DTC

Go To

5

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

2

Turn the ignition on.
NOTE: Ensure the battery is fully charged.
Connect the DRB to the data link connector and select PASSIVE RESTRAINTS,
AIRBAG, SYSTEM TEST.
With the DRBIII

t, read the system test.

Does the DRB show PCM Active on the Bus:?

All

Yes

→ Go To 3

No

→ Refer to category COMMUNICATION CATEGORY and select the

related symptom.
Perform AIRBAG VERIFICATION TEST - VER 1.

46

AIRBAG