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 (L SPOOL B line) 1

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

   - 2. Check for continuity between test points 1 and 2 without disconnecting the driver's E-pretensioner unit 16P connector.

   Test condition	Vehicle OFF (LOCK) mode
   Test circuit	L SPOOL B
   Test point 1	Driver's E-pretensioner unit 16P connector No. 8 (ORN)
   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 (L SPOOL B 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 driver's E-pretensioner unit 16P connector.

   Test condition	Vehicle OFF (LOCK) mode
   	Driver's E-pretensioner spool sensor 3P connector: disconnected
   Test circuit	L SPOOL B
   Test point 1	Driver's E-pretensioner unit 16P connector No. 8 (ORN)
   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 driver's E-pretensioner unit 16P connector and the driver's E-pretensioner spool sensor.

   NO 

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

4. Shorted wire check (L SPOOL PWR line to L SPOOL B 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 driver's E-pretensioner unit 16P connector.

   Test condition	Vehicle OFF (LOCK) mode
   	Driver's E-pretensioner spool sensor 3P connector: disconnected
   Test circuit	L SPOOL PWR, L SPOOL B
   Test point 1	E-pretensioner unit connector A (16P) No. 10 (GRY)
   Test point 2	E-pretensioner unit connector A (16P) No. 8 (ORN)

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

   Is there continuity?

   YES 

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

   NO 

   The L SPOOL PWR and L SPOOL B wires are OK. Faulty driver's E-pretensioner spool sensor; replace the driver's seat belt .