DTC B2868-14

DTC B2868-14  : Front Passenger's E-Pretensioner Motor Circuit Open or Short to Ground

NOTE: 

• Before doing this troubleshooting procedure, review General Troubleshooting Information .
• Before replacing the E-pretensioner unit, check the E-pretensioner unit software version with the HDS. If the software version is not the latest, update the E-pretensioner unit software , and retest.
• When you replace the E-pretensioner unit, check the HDS and replace the indicated side of E-pretensioner unit on the HDS.

DTC (E-pretensioner)

1. Problem verification

   - 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
   B2868-14 Front Passenger's E-Pretensioner Motor Circuit Open or Short to Ground

   Is DTC B2868-14 indicated?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

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

2. Determine possible failure area (R EPT MTR + line, R EPT MTR - line)

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

   - 2. Disconnect the following connector.

   Front passenger's E-pretensioner motor 2P connector

   - 3. Turn the vehicle to the ON mode.

   - 4. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	Front passenger's E-pretensioner motor 2P connector: disconnected
   Test circuit	R EPT MTR +
   Test point 1	Front passenger's E-pretensioner motor 2P connector No. 1 (WHT)
   Test point 2	Body ground

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

   Is there 0.2 V or less?

   YES 

   Go to step 5.

   NO 

   Go to step 3.

3. Open wire check (R EPT MTR - line) 1

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

   - 2. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Front passenger's E-pretensioner motor 2P connector: disconnected
   Test circuit	R EPT MTR -
   Test point 1	Front passenger's E-pretensioner motor 2P connector No. 2 (BLU)
   Test point 2	Body ground

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

   Is there continuity?

   YES 

   The R EPT MTR - wire is OK. Faulty front passenger's E-pretensioner motor; replace the front passenger's seat belt .

   NO 

   Go to step 4.

4. Open wire check (R EPT MTR - line) 2

   - 1. Disconnect the following connector.

   Front passenger's E-pretensioner unit 14P connector

   - 2. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Front passenger's E-pretensioner motor 2P connector: disconnected
   	Front passenger's E-pretensioner unit 14P connector: disconnected
   Test circuit	R EPT MTR -
   Test point 1	Front passenger's E-pretensioner motor 2P connector No. 2 (BLU)
   Test point 2	Front passenger's E-pretensioner unit 14P connector No. 2 (BLU)

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

   Is there continuity?

   YES 

   The R EPT MTR - wire is OK. Replace the E-pretensioner unit .

   NO 

   Repair an open in the wire between the front passenger's E-pretensioner unit and the front passenger's E-pretensioner motor.

5. Shorted wire check (R EPT MTR + line)

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

   - 2. Disconnect the following connector.

   Front passenger's E-pretensioner unit 14P connector

   - 3. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Front passenger's E-pretensioner motor 2P connector: disconnected
   	Front passenger's E-pretensioner unit 14P connector: disconnected
   Test circuit	R EPT MTR +
   Test point 1	Front passenger's E-pretensioner unit 14P connector No. 1 (WHT)
   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 front passenger's E-pretensioner unit and the front passenger's E-pretensioner motor.

   NO 

   Go to step 6.

6. Open wire check (R EPT MTR + lines)

   - 1. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Front passenger's E-pretensioner motor 2P connector: disconnected
   	Front passenger's E-pretensioner unit 14P connector: disconnected
   Test circuit	R EPT MTR +
   Test point 1	Front passenger's E-pretensioner motor 2P connector No. 1 (WHT)
   Test point 2	Front passenger's E-pretensioner unit 14P connector No. 1 (WHT)

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

   Is there continuity?

   YES 

   The R EPT MTR + wire is OK. Replace the E-pretensioner unit .

   NO 

   Repair an open in the wire between the front passenger's E-pretensioner unit and the front passenger's E-pretensioner spool sensor.