DTC B2868-14

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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.

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

DTC (E-pretensioner)

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.

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

Determine possible failure area (E-PT R MTR+ line, E-PT R 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
Test condition	Front passenger's E-pretensioner motor 2P connector: disconnected
Test circuit	E-PT R 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.

Go to step 3.

Open wire check (E-PT R 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
Test condition	Front passenger's E-pretensioner motor 2P connector: disconnected
Test circuit	E-PT R MTR-
Test point 1	Front passenger's E-pretensioner motor 2P connector No. 2 (BRN)
Test point 2	Body ground

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

Is there continuity?

YES

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

Go to step 4.

Open wire check (E-PT R MTR- line) 2

-1. Disconnect the following connector.

E-pretensioner unit connector B (14P)

-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
	E-pretensioner unit connector B (14P): disconnected
Test circuit	E-PT R MTR-
Test point 1	Front passenger's E-pretensioner motor 2P connector No. 2 (BRN)
Test point 2	E-pretensioner unit connector B (14P) No. 2 (BRN)

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

Is there continuity?

YES

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

Repair an open in the wire between the E-pretensioner unit connector B (14P) of the E-pretensioner unit and the front passenger's E-pretensioner motor.

Shorted wire check (E-PT R MTR+ line)

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

-2. Disconnect the following connector.

E-pretensioner unit connector B (14P)

-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
	E-pretensioner unit connector B (14P): disconnected
Test circuit	E-PT R MTR+
Test point 1	E-pretensioner unit connector B (14P) 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 E-pretensioner unit connector B (14P) of the E-pretensioner unit and the front passenger's E-pretensioner motor.

Go to step 6.

Open wire check (E-PT R MTR+ line)

-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
	E-pretensioner unit connector B (14P): disconnected
Test circuit	E-PT R MTR+
Test point 1	Front passenger's E-pretensioner motor 2P connector No. 1 (WHT)
Test point 2	E-pretensioner unit connector B (14P) No. 1 (WHT)

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

Is there continuity?

YES

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

Repair an open in the wire between the E-pretensioner unit connector B (14P) of the E-pretensioner unit and the front passenger's E-pretensioner spool sensor.