Passenger Squib 2 Short To Ground
PASSENGER SQUIB 2 SHORT TO GROUND
For a complete wiring diagram refer to the Wiring Information Electrical Diagrams.
Theory of Operation
When powered, the Occupant Restraint Controller (ORC) sends a test current to the Passenger Airbag Squibs to verify the integrity of the squib and wiring. These circuits are maintained in a "floating" configuration at the module (connected to neither power nor ground) as protection against inadvertent deployment. Use of the load tool in the tests below substitutes a suspect squib with a known good component. The Load Tool ORC adapter tool provide a test point as well as a method for opening the shorting bar connections within the harness connector.
- When Monitored:
With the ignition on.
- Set Condition:
The Occupant Restraint Controller (ORC) monitors the resistance of the Passenger Squib 2 circuits. The ORC will set this DTC if it detects low resistance on the Passenger Squib 2 circuits.
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Restraints System Pre-Diagnostic Procedure.
1. DETERMINE ACTIVE OR STORED DTC
NOTE: Ensure that the battery is fully charged.
1. Turn the ignition on.
2. With the scan tool, read the active ORC DTC.
Does the scan tool display: PASSENGER SQUIB 2 SHORT TO GROUND DTC?
Yes
- Go To 2
No
- Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Restraints System Intermittent Test.
2. CHECK FOR SHORTED SQUIB CIRCUITS IN PASSENGER AIRBAG
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 Passenger Airbag Squib connector.
WARNING: Do not place an intact undeployed 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 Load Tool to the Passenger Airbag Squib connector.
WARNING: Turn the ignition on, then reconnect the 12-volt battery. 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 active ORC DTC.
Does the scan tool display: PASSENGER SQUIB 2 SHORT TO GROUND DTC?
Yes
- Go To 3
No
- Replace the Passenger Airbag.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.
3. VERIFY PASSENGER SQUIB CIRCUITS SHORT TO GROUND
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 8443 Load Tool from the Passenger Airbag Squib connector.
2. Disconnect the ORC connectors.
NOTE: Check connectors - Clean and repair as necessary.
3. Connect the Load Tool ORC 8443-25 Adaptor to the ORC connectors.
4. Measure the resistance of the (R64) Passenger Squib 2 Line 2 circuit between the Passenger Airbag Squib connector cavity 3 and ground.
5. Measure the resistance of the (R62) Passenger Squib 2 Line 1 circuit between the Passenger Airbag Squib connector cavity 4 and ground.
Is the resistance below 10K ohms on either circuit?
Yes
- Repair the Passenger Squib 2 circuits for a short to ground.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.
No
- 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.
- WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to follow these instructions may result in possible serious or fatal injury.
- Replace the ORC.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.