Dodge Neon / Neon SRT-4. Manual — part 462

Symptom:

SEAT SQUIB CIRCUIT OPEN

When Monitored and Set Condition:

SEAT SQUIB CIRCUIT OPEN

When Monitored:

With the ignition is On, the SIACM monitors the resistance of the Seat

Squib circuits.

Set Condition:

When the SIACM detects an open circuit or high resistance on the Seat

Squib circuits.

POSSIBLE CAUSES

SEAT AIRBAG OPEN

SEAT SQUIB LINE 1 OR LINE 2 CIRCUIT OPEN

SIACM, SEAT SQUIB CIRCUIT OPEN

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 ONE:

All

LEFT SIACM - ACTIVE DTC

Go To

2

LEFT SIACM - STORED DTC

Go To

4

RIGHT SIACM - ACTIVE DTC

Go To

2

RIGHT SIACM - STORED DTC

Go To

4

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

70

AIRBAG

TEST

ACTION

APPLICABILITY

2

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 Seat Airbag connector.
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 the SIACM active DTC’s.

Does the DRB show SEAT SQUIB CIRCUIT OPEN?

All

Yes

→ Go To 3

No

→ Replace Seat Airbag in accordance with the Service Information.

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 Jumper.
Disconnect the Side Impact Airbag Control Module Connector.
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool adaptor to the Side Impact Airbag Control Module
connector.
Measure the resistance of the Seat Squib Line 1 and Line 2 circuits between the Load
Tool SIACM adaptor and the Seat Airbag connector.
Is the resistance below 1.0 ohms on both circuits?

All

Yes

→ Replace the Side Impact Airbag Control Module in accordance

with the 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.

No

→ Repair open or high resistance in the Seat Squib Line 1 or Line 2

circuits.
Perform AIRBAG VERIFICATION TEST - VER 1.

71

AIRBAG

SEAT SQUIB CIRCUIT OPEN —

Continued

TEST

ACTION

APPLICABILITY

4

NOTE: Ensure the battery is fully charged.
With the DRBIII

t, record and erase all DTCs from all modules.

All active codes must be resolved before diagnosing any stored codes.
Maintain a safe distance from all airbags while performing the following steps.
With the DRBIII

t monitor active codes as you work through the system.

NOTE: If equipped with Passenger Airbag On-Off switch, read the DTC’s in
all switch positions.
Wiggle the wiring harness and connectors of the appropriate airbag system and
rotate the steering wheel from stop to stop.
NOTE: Check connectors - Clean and repair as necessary.
You have just attempted to simulate the condition that initially set the trouble code
message.
The following additional checks may assist you in identifying a possible intermittent
problem:
- Visually inspect related wire harness connectors. Look for broken, bent, pushed out,
spread, corroded, or contaminated terminals.
- Visually inspect the related harnesses. Look for chafed, pierced, pinched or partially
broken wire.
- Refer to Wiring Diagrams and Technical Service Bulletins that may apply.
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.

72

AIRBAG

SEAT SQUIB CIRCUIT OPEN —

Continued

Symptom:

SEAT SQUIB CIRCUIT SHORT

When Monitored and Set Condition:

SEAT SQUIB CIRCUIT SHORT

When Monitored:

When the ignition is on, the SIACM monitors the resistance between

the Seat Squib circuits.

Set Condition:

When the SIACM detects a low resistance between the Seat Squib

circuits.

POSSIBLE CAUSES

SEAT AIRBAG SHORT

SEAT SQUIB LINE 1 SHORT TO LINE 2

SIACM, SEAT SQUIB 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 ONE:

All

LEFT SIACM - ACTIVE DTC

Go To

2

LEFT SIACM - STORED DTC

Go To

4

RIGHT SIACM - ACTIVE DTC

Go To

2

RIGHT SIACM - STORED DTC

Go To

4

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

73

AIRBAG