Chrysler Town, Dodge Caravan. Manual - part 732

TEST

ACTION

APPLICABILITY

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 BATTERY?

All

Yes

→ Go To 3

→ Replace Seat Airbag in accordance with the Service Information.

Perform AIRBAG VERIFICATION TEST - VER 1.

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 SIACM Adapter to the connector.
WARNING: TURN IGNITION ON, THEN RECONNECT THE BATTERY.
Measure the voltage of the Seat Squib Line 1 and Line 2 circuits between the Seat
Airbag connector and ground.
Is any voltage present on either circuit?

All

Yes

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

Perform AIRBAG VERIFICATION TEST - VER 1.

→ Replace the Side Impact Airbag Control Module in accordance

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

164

AIRBAG

SEAT SQUIB SHORT TO BATTERY —

Continued

TEST

ACTION

APPLICABILITY

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 problem found at this time. Erase all codes before returning

vehicle to customer.

165

AIRBAG

SEAT SQUIB SHORT TO BATTERY —

Continued

Symptom:

SEAT SQUIB SHORT TO GROUND

When Monitored and Set Condition:

SEAT SQUIB SHORT TO GROUND

When Monitored:

With the ignition on, the SIACM monitors the resistance of the Seat

Squib circuits.

Set Condition:

When the SIACM detects low resistance in the Seat Squib circuits.

POSSIBLE CAUSES

SEAT AIRBAG SHORT TO GROUND

SEAT SQUIB LINE 1 OR LINE 2 SHORTED TO GROUND

SIACM, SEAT SQUIB SHORT TO GROUND

STORED CODE OR INTERMITTENT CONDITION

ACTIVE CODE PRESENT

TEST

ACTION

APPLICABILITY

Turn the ignition on.
NOTE: Ensure that 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 the appropriate module and DTC type combination:

All

LEFT SIACM - ACTIVE DTC

Go To

LEFT SIACM - STORED DTC

Go To

RIGHT SIACM - ACTIVE DTC

Go To

RIGHT SIACM - STORED DTC

Go To

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

166

AIRBAG

TEST

ACTION

APPLICABILITY

t, read SIACM active DTC’s.

Does the DRBIII

t display SEAT SQUIB SHORT TO GROUND?

All

Yes

→ Go To 3

→ Replace the Seat Airbag in accordance with Service Instructions.

Perform AIRBAG VERIFICATION TEST - VER 1.

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.

→ Replace the Side Impact Airbag Control Module in accordance

with Service Instructions. 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

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