Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY ACTIVE DTC
NOTE:
Make sure the battery is fully charged.
1. Turn the ignition on.
2. With the scan tool, read ORC DTCs.
  Does the scan tool display active B0021-11-LEFT CURTAIN DEPLOYMENT SQUIB 1 - CIRCUIT SHORT TO GROUND DTC?
  
  Yes
  - Go To 2.
  No
  - Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to Standard Procedure .
CHECK LEFT SIDE CURTAIN AIRBAG CIRCUITS FOR SHORT TO GROUND

Fig 1: Checking Left Side Curtain Airbag Circuit
Courtesy of CHRYSLER LLC

WARNING:
Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
1. Disconnect the Left Side Curtain Airbag harness connector.
  WARNING:
  Do not place an intact non-deployed airbag face down on a hard surface, the airbag propels into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.
  
  NOTE:
  Check connectors - Clean and repair as necessary.
2. Connect the SRS Load Tool Kit (special tool #8443A, SRS Load Tool) and SRS Load Tool Jumper (special tool #8443-1, Jumpers, 2 Pin) to the Left Side Curtain Airbag harness connector.
  WARNING:
  Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
3. With the scan tool, read the ORC DTCs.
  Does the scan tool display active B0021-11-LEFT CURTAIN DEPLOYMENT SQUIB 1 - CIRCUIT SHORT TO GROUND DTC?
  
  Yes
  - Go To 3.
  No
  - Replace the Left Side Curtain Airbag in accordance with the Service Information.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to Standard Procedure .
CHECK (R1, R3) LEFT CURTAIN SQUIB 1 CIRCUITS FOR A SHORT TO GROUND

Fig 2: Checking Left Curtain Squib 1 Circuits
Courtesy of CHRYSLER LLC

WARNING:
Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
1. Disconnect the SRS Load Tool Kit (special tool #8443A, SRS Load Tool) and Jumper from the Left Side Curtain Airbag harness connector.
2. Disconnect the ORC harness connectors.
  NOTE:
  Check connectors - Clean and repair as necessary.
3. Connect the SRS Load Tool Adapter (special tool #8443-24, 32-Way Adapter) to the ORC C1 harness connector.
4. Measure the resistance of the (R3) Left Curtain Squib 1 Line 1 circuit between the Left Side Curtain Airbag harness connector cavity 2 and ground.
5. Measure the resistance of the (R1) Left Curtain Squib 1 Line 2 circuit between the Left Side Curtain Airbag harness connector cavity 1 and ground.
  Is the resistance below 10K Ohms on either circuit?
  
  Yes
  - Repair the Left Curtain Squib 1 circuits for a short to ground.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to Standard Procedure .
  No
  - Replace the ORC in accordance with the Service Information.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to Standard Procedure .