DTC 22-3x: Short to Another Wire or Decreased Resistance in the Front Passenger's Seat Belt Tensioner

Special Tools Required 

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 .
• Before doing this troubleshooting procedure, review SRS Precautions and Procedures , General Troubleshooting Information , and 12 Volt Battery Terminal Disconnection and Reconnection .
• 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 , and retest.

• 1. Problem verification:

  1. Clear the DTCs with the HDS .

  2. Turn the vehicle to the ON mode, then wait for 10 seconds.

  3. Check for DTCs with the HDS .

  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 . If another DTC is indicated, troubleshoot the DTC.

• 2. Front passenger's seat belt tensioner check:

  1. Turn the vehicle to the OFF (LOCK) mode.

  2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

  3. Remove the right side center pillar lower trim - Refer to: Interior Trim Removal and Installation - Pillar AreasInterior Trim Removal and Installation - Tailgate AreasInterior Trim Removal and Installation - Cargo AreasInterior Trim Removal and Installation - Rear Side AreaInterior Trim Removal and Installation - Door Areas .

  4. Disconnect the following connector.

  Front passenger's seat belt tensioner 2P connector (on the floor wire harness)

  5. Reconnect the negative cable to the 12 volt battery.

  6. Clear the DTCs with the HDS .

  7. Turn the vehicle to the ON mode, then wait for 10 seconds.

  8. Check for DTCs with the HDS .

  Is DTC 22-3x indicated?

  YES 

  Go to step 3.

  NO 

  Faulty front passenger's seat belt tensioner; replace the front passenger's seat belt , then clear the DTC.

• 3. Shorted wire check (RRP+ line to RRP- line):

  1. Turn the vehicle to the OFF (LOCK) mode.

  2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

  3. Disconnect the following connector.

  SRS unit connector B (39P)

  4. Connect the SRS short canceller to SRS unit connector B (39P) terminals No. 22 and No. 23 .

  5. Measure the resistance between test points 1 and 2.

  Test condition	Vehicle OFF (LOCK) mode
  	Front passenger's seat belt tensioner 2P connector (on the floor wire harness): disconnected
  	SRS unit connector B (39P): disconnected
  	SRS unit connector B (39P) No. 22 and No. 23: connected to SRS short canceller
  Test point 1	SRS unit connector B (39P) No. 22
  Test point 2	SRS unit connector B (39P) No. 23

  Is there an open circuit, or at least 1 MΩ?

  YES 

  The RRP+ and RRP- wires are OK. Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit . 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.