SRS System
Control System DTCs
SRS DTC Troubleshooting: 22-3x
DTC 22-3x ("x" can be 0 thru 9 or A thru F) : Short to Another Wire or Decreased Resistance in the Front Passenger's Seat Belt Tensioner
Special Tools Required
*SRS Inflator Simulator 07SAZ-TB4011A
*SRS Simulator Lead K 070AZ-SNAA200
*SRS Short Canceller 070AZ-SAA0100
NOTE:
* Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed Service and Repair.
* Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair, General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes, and Battery Terminal Disconnection and Reconnection Procedures.
* Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software Programming and Relearning, and retest.
1. Problem verification:
Problem verification
-1. Clear the DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.
-2. Turn the ignition switch to ON (II), then wait for 10 seconds.
-3. Check for DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.
Is DTC 22-3x indicated?
-YES- The failure is duplicated. Go to step 2.
-NO- Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures Reading and Clearing Diagnostic Trouble Codes. If another DTC is indicated, troubleshoot the DTC.
2. Front passenger's seat belt tensioner check:
Front passenger's seat belt tensioner check
-1. Turn the ignition switch to LOCK (0).
-2. Disconnect the negative cable from the battery, then wait at least 3 minutes.
-3. 2-door: Remove the right rear side trim panel Rear Side Trim Panel Removal and Installation (2-door).
-4. 4-door: Remove the right side B-pillar lower trim B-Pillar Upper/Lower Trim Removal and Installation (4-door).
-5. Disconnect the front passenger's seat belt tensioner 4P connector (A) on the floor wire harness.
2-door
4-door
-6. Connect the terminals of SRS simulator lead K to the SRS inflator simulator (2 Ohms connectors), then connect SRS simulator lead K to the front passenger's seat belt tensioner 4P connector on the floor wire harness.
-7. Reconnect the negative cable to the battery.
-8. Clear the DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.
-9. Turn the ignition switch to ON (II), then wait for 10 seconds.
-10. Check for DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.
Is DTC 22-3x indicated?
-YES- Go to step 3.
-NO- Short to another wire in the front passenger's seat belt tensioner; replace the front passenger's seat belt Front Seat Belt Removal and Installation - Passengers Seat (2-door), then clear the DTC.
3. Shorted wire check (RRP+ line to RRP- line):
Shorted wire check (RRP+ line to RRP- line)
-1. Turn the ignition switch to LOCK (0).
-2. Disconnect the negative cable from the battery, then wait at least 3 minutes.
-3. Disconnect the following connector.
-4. Disconnect SRS simulator lead K from the front passenger's seat belt tensioner 4P connector on the floor wire harness.
-5. Connect SRS short canceller (070AZ-SAA0100) to SRS unit connector B (39P) terminals No. 17 and No. 18 Reading and Clearing Diagnostic Trouble Codes.
-6. Measure the resistance between test points 1 and 2.
Is there an open circuit, or at least 1 MOhms?
-YES- Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit Service and Repair. If the DTC does not clear, replace the floor wire harness.
-NO- Short to another wire in the floor wire harness; replace the floor wire harness, then clear the DTC.