Chrysler Town, Dodge Caravan. Manual - part 728

TEST

ACTION

APPLICABILITY

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

t, read the active Airbag Control Module DTC’s.

Does the DRBIII

t show PASSENGER SQUIB 2 CIRCUIT OPEN?

All

Yes

→ Go To 3

→ Replace the Passenger Airbag in accordance with the Service

Information.
Perform AIRBAG VERIFICATION TEST - VER 1.

WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Load Tool from the Passenger Airbag connector(s).
Disconnect the Airbag Control Module connector(s).
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool adaptor to the Airbag Control Module connec-
tor(s).
Measure the resistance of the Passenger Squib 2 Line 1 and Line 2 circuits between
the ACM Adaptor and the Passenger Airbag connector.
Is the resistance below 1.0 ohms on both circuits?

All

Yes

→ Replace the Airbag Control Module in accordance with Service

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

→ Repair open or high resistance in Passenger Squib 2 Line 1 or

Line 2 circuits.
Perform AIRBAG VERIFICATION TEST - VER 1.

148

AIRBAG

PASSENGER SQUIB 2 CIRCUIT OPEN —

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.

149

AIRBAG

PASSENGER SQUIB 2 CIRCUIT OPEN —

Continued

Symptom:

PASSENGER SQUIB 2 CIRCUIT SHORT

When Monitored and Set Condition:

PASSENGER SQUIB 2 CIRCUIT SHORT

When Monitored:

With the ignition on, the ACM monitors the resistance between the

Passenger Squib 2 circuits.

Set Condition:

When the ACM detects low resistance in the Passenger Squib 2 circuits.

POSSIBLE CAUSES

PASSENGER AIRBAG SQUIB 2 CIRCUIT SHORT

PASSENGER SQUIB 2 LINE 1 SHORT TO LINE 2

ACM, PASSENGER SQUIB 2 CIRCUIT SHORT

STORED CODE OR INTERMITTENT CONDITION

ACTIVE CODE PRESENT

TEST

ACTION

APPLICABILITY

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

ACM - STORED DTC

Go To

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

t, read the active Airbag Control Module DTC’s.

Does the DRBIII

t show PASSENGER SQUIB 2 CIRCUIT SHORT?

All

Yes

→ Go To 3

→ Replace Passenger Airbag in accordance with the Service Infor-

mation.
Perform AIRBAG VERIFICATION TEST - VER 1.

150

AIRBAG

TEST

ACTION

APPLICABILITY

WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Load Tool from the Passenger Airbag connector(s).
Disconnect the Airbag Control Module connector(s).
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool Adaptor to the Airbag Control Module connec-
tor(s).
Measure the resistance between the Passenger Squib 2 Line 1 and line 2 circuits at
the Passenger Airbag connector(s).
Is the resistance below 10K ohms?

All

Yes

→ Repair Passenger Squib 2 Line 1 circuit short to Passenger Squib

2 Line 2 circuit.
Perform AIRBAG VERIFICATION TEST - VER 1.

→ Replace the Airbag Control Module in accordance with Service

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

With the DRBIII

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

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

All

Yes

→ Select appropriate symptom from Symptom List.

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

vehicle to customer.

151

AIRBAG

PASSENGER SQUIB 2 CIRCUIT SHORT —

Continued

Content .. 726 727 728 729 ..