Chrysler Voyager. Manual — part 185

TEST

ACTION

APPLICABILITY

2

WARNING: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
Disconnect the Seat Airbag connector.
WARNING: DO NOT PLACE AN INTACT UNDEPLOYED SEAT BACK PAD-
DED SIDE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL
INTO THE AIR IF ACCIDENTALLY DEPLOYED, AND COULD RESULT IN
SERIOUS OR FATAL INJURY.
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool to the Seat Airbag connector.
WARNING: TURN IGNITION ON, THEN RECONNECT THE BATTERY.
With the DRBIII

t, read SIACM active DTC’s.

Does the DRBIII

t display SEAT SQUIB SHORT TO GROUND?

All

Yes

→ Go To 3

No

→ Replace the Seat Airbag in accordance with Service Manuals.

Perform AIRBAG VERIFICATION TEST - VER 1.

3

WARNING: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
WARNING: DO NOT PLACE AN INTACT UNDEPLOYED SEAT BACK PAD-
DED SIDE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL
INTO THE AIR IF ACCIDENTALLY DEPLOYED, AND COULD RESULT IN
SERIOUS OR FATAL INJURY.
Disconnect the Airbag Load Tool.
Disconnect the Side Impact Airbag Control Module connector.
NOTE: Check connectors - Clean and repair as necessary.
If the SIACM connector is equipped with shorting clips or bars connect the
appropriate Airbag Load Tool SIAM Adapter to the connector.
Measure the resistance of the Seat Squib Line 1 and Line 2 circuits between the
Curtain Squib connector and ground.
Is the resistance below 10K ohms on either circuit?

All

Yes

→ Repair Seat Squib Line 1 or Line 2 shorted to ground.

Perform AIRBAG VERIFICATION TEST - VER 1.

No

→ Replace the Side Impact Airbag Control Module in accordance

with Service Manuals. WARNING: IF THE SIDE IMPACT
AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT
MUST BE REPLACED.
Perform AIRBAG VERIFICATION TEST - VER 1.

167

AIRBAG

SEAT SQUIB SHORT TO GROUND —

Continued

TEST

ACTION

APPLICABILITY

4

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.

168

AIRBAG

SEAT SQUIB SHORT TO GROUND —

Continued

Symptom:

VEHICLE BODY STYLE UNKNOWN

When Monitored and Set Condition:

VEHICLE BODY STYLE UNKNOWN

When Monitored:

When the ignition is on, the ACM monitors the PCI Bus for the VIN

message containing the vehicle body style from the Powertrain Control Module. The PCM
transmits the VIN message every 14 seconds.

Set Condition:

With ignition on, If the ACM does not receive 2 consecutive matching

(vehicle Body Style) VIN messages on the bus the code will set.

POSSIBLE CAUSES

PCM, PCI COMMUNICATION FAILURE

VEHICLE BODY STYLE UNKNOWN

ACM, VEHICLE BODY STYLE UNKNOWN

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.

2

Connect the DRBIII

t to the data link connector and select PASSIVE RESTRAINTS,

AIRBAG, SYSTEM TEST.
With the DRBIII

t, read the PCM Active on the Bus:.

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.

169

AIRBAG

TEST

ACTION

APPLICABILITY

3

With the DRB select ENGINE, MISCELLANEOUS, SELECT MISC FUNCTION,
and then CHECK VIN to read the Vehicle Identification Number in the Powertrain
Control Module.
Compare the VIN displayed on the DRB screen and the Vehicle VIN plate.
Does the VIN plate and the PCM VIN match?

All

Yes

→ Go To 4

No

→ Replace the Powertrain Control Module and program with the

correct vehicle identification number.
Perform AIRBAG VERIFICATION TEST - VER 1.

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.
If there are no possible causes remaining, view repair.

All

Repair

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.

NOTE: When reconnecting airbag system components the Ignition must be
turned off and the Battery must be disconnected.

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.

170

AIRBAG

VEHICLE BODY STYLE UNKNOWN —

Continued