DTC B00B5-11: Short or Decreased Resistance in the Driver's Seat Position Sensor

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.

DTC (SRS)

• 1. Problem verification:

  - 1. Raise the driver's seat all the way up, and position all the way rearward.

  - 2. Clear the DTCs with the HDS .

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

  - 4. Check for DTCs with the HDS .

  DTC Description	DTC
  B00B5-11 Short or decreased resistance in the driver's seat position sensor

  Is DTC B00B5-11 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. Driver's seat position sensor check:

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

  - 2. Disconnect the following connector.

  Driver's seat position sensor 2P connector (on the driver's seat wire harness)

  - 3. Clear the DTCs with the HDS .

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

  - 5. Check for DTCs with the HDS .

  DTC Description	DTC
  B00B5-11 Short or decreased resistance in the driver's seat position sensor

  Is DTC B00B5-11 indicated?

  YES 

  Go to step 3.

  NO 

  Replace the driver's seat position sensor , then clear the DTC.

• 3. Shorted wire check (SS+ 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. Measure the resistance between test points 1 and 2.

  Test condition	Vehicle OFF (LOCK) mode
  	Driver's seat position sensor 2P connector (on the driver's seat wire harness): disconnected
  	SRS unit connector B (39P): disconnected
  Test point 1	SRS unit connector B (39P) No. 37
  Test point 2	Body ground

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

  YES 

  The SS+ wire is OK. Replace the driver's seat position sensor , then clear the DTC, and retest. If the DTC is still present, replace the SRS unit .

  NO 

  Short to ground in the floor wire harness or the driver's seat wire harness; replace the faulty harness, then clear the DTC.