Chrysler 300M 2002 Service Manual page 1763

AIRBAG
DRIVER SQUIB 1 CIRCUIT SHORT —
TEST
3 WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Clockspring connector.
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool to the Clockspring connector.
WARNING: TURN THE IGNITION ON, THEN RECONNECT THE BATTERY.
With the DRBIII , read the active Airbag DTCs.
Does the DRBIII show DRIVER SQUIB 1 CIRCUIT SHORT?
Yes → Go To 4
→ Replace Clockspring.
No
4 WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Airbag Control Module connector.
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool adaptor to the Airbag Control Module connector.
Disconnect the Load Tool from the Clockspring connector.
Measure the resistance between the Driver Squib 1 Line 1 and Line 2 at the
Clockspring connector.
Is the resistance below 10K ohms?
Yes → Repair the Driver Squib 1 Line 1 circuit shorted to Driver Squib
→ Replace the Airbag Control Module in accordance with Service
No
5 NOTE: Ensure the battery is fully charged.
With the DRBIII , 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 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 ?
Yes → Select appropriate symptom from Symptom List.
→ No problem found at this time. Erase all codes before returning
No
ACTION
Perform AIRBAG VERIFICATION TEST - VER 1.
1 Line 2 circuit.
Perform AIRBAG VERIFICATION TEST - VER 1.
Instructions. WARNING: IF THE AIRBAG CONTROL MODULE
IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Perform AIRBAG VERIFICATION TEST - VER 1.
vehicle to customer.
Continued
40
APPLICABILITY
All
All
All