DTC Troubleshooting: B00B5-11, B00B5-2B

DTC B00B5-11: Short or Decreased Resistance in the Driver's Seat Position Sensor
DTC B00B5-2B: Short to Another Wire Harness 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 Description	DTC
B00B5-11 Short or decreased resistance in the driver's seat position sensor
B00B5-2B Short to another wire harness in the driver's seat position sensor

Problem verification:

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
B00B5-2B Short to another wire harness 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.?

Driver's seat position sensor check:

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
B00B5-2B Short to another wire harness 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.?

Shorted wire check (SPS line):

Shorted wire check (SPS 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. 11
Test point 2	Body ground

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


	YES

The SPS 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 right side wire harness or the driver's seat wire harness; replace the faulty harness, then clear the DTC.?