DTC B2852-11

DTC B2852-11  : Driver's E-Pretensioner Spool Sensor Signal Circuit Short

NOTE:  Before doing this troubleshooting procedure, review General Troubleshooting Information .

DTC (E-pretensioner)

1. DTC check

   -1. Clear the DTCs with the HDS.

   -2. Turn the vehicle to the ON mode.

   -3. Check for DTCs with the HDS.

   DTC Description	DTC
   B2851-11 Driver's E-Pretensioner Spool Sensor Signal Circuit Short to Another Signal Circuit
   B2852-11 Driver's E-Pretensioner Spool Sensor Signal Circuit Short

   Are DTCs indicated?

   Only DTC B2852-11

   Go to step 2.

   DTCs B2851-11 and B2852-11

   Go to DTC B2851-11 troubleshooting .

   NO DTC

   Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.

2. Shorted wire check (E-PT MTR L GB line) 1

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

   -2. Check for continuity between test points 1 and 2 without disconnecting the E-pretensioner unit connector A (16P).

   Test condition	Vehicle OFF (LOCK) mode
   Test circuit	E-PT MTR L GB
   Test point 1	E-pretensioner unit connector A (16P) No. 8 (GRN)
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Go to step 3.

   NO 

   Go to step 4.

3. Shorted wire check (E-PT MTR L GB line) 2

   -1. Disconnect the following connector.

   Driver's E-pretensioner spool sensor 3P connector

   -2. Check for continuity between test points 1 and 2 without disconnecting the E-pretensioner unit connector A (16P).

   Test condition	Vehicle OFF (LOCK) mode
   	Driver's E-pretensioner spool sensor 3P connector: disconnected
   Test circuit	E-PT MTR L GB
   Test point 1	E-pretensioner unit connector A (16P) No. 8 (GRN)
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Repair a short to ground in the wire between the E-pretensioner unit connector A (16P) of the E-pretensioner unit and the driver's E-pretensioner spool sensor.

   NO 

   The E-PT MTR L GB wire is OK. Faulty driver's E-pretensioner spool sensor; replace the driver's seat belt .

4. Shorted wire check (E-PT MTR L VC line to E-PT MTR L GB line)

   -1. Disconnect the following connector.

   Driver's E-pretensioner spool sensor 3P connector

   -2. Check for continuity between test points 1 and 2 without disconnecting the E-pretensioner unit connector A (16P).

   Test condition	Vehicle OFF (LOCK) mode
   	Driver's E-pretensioner spool sensor 3P connector: disconnected
   Test circuit	E-PT MTR L VC, E-PT MTR L GB
   Test point 1	E-pretensioner unit connector A (16P) No. 10 (YEL)
   Test point 2	E-pretensioner unit connector A (16P) No. 8 (GRN)

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Repair a short in the wires between the E-pretensioner unit connector A (16P) of the E-pretensioner unit and the driver's E-pretensioner spool sensor.

   NO 

   The E-PT MTR L VC and E-PT MTR L GB wires are OK. Faulty driver's E-pretensioner spool sensor; replace the driver's seat belt .