Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Dtc b1831 open in curtain airbag rh squib circuit

AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble Code

DTC B1831 OPEN IN CURTAIN AIRBAG RH SQUIB CIRCUIT

Diagnosis start condition:

Ignition voltage is 10 V to 16 V.

DTC detecting condition:

Curtain airbag harness (RH) circuit is open.

Curtain airbag module (RH) is faulty.

Airbag control module is faulty.

CAUTION:

Before performing diagnosis, refer to “CAUTION” in “General Description”. General Description > CAUTION">

Wiring diagram:

Airbag system Airbag System > WIRING DIAGRAM">

STEPCHECKYESNO

1.CHECK POOR CONTACT OF CONNECTORS.

Check for poor contact of the connectors between the airbag control module, curtain airbag module RH and the curtain airbag sensor RH.

Is there poor contact?

Replace the airbag rear harness along with body harness.

Diagnostic Chart with Trouble Code > DTC B1831 OPEN IN CURTAIN AIRBAG RH SQUIB CIRCUIT">Go to Step 2.

2.CHECK CURTAIN AIRBAG MODULE.

1) Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more.

2) Disconnect the connector (AB33) from curtain airbag module (RH).

3) Connect the connector (1N) in the test harness N to the connector (AB33).

4) Connect the airbag resistor to the connector (2N) of test harness N.

5) Connect the battery ground terminal and turn the ignition switch to ON.

Does the airbag warning light illuminate for 6 seconds and go off?

Replace the curtain airbag module (RH). Curtain Airbag Module">

Diagnostic Chart with Trouble Code > DTC B1831 OPEN IN CURTAIN AIRBAG RH SQUIB CIRCUIT">Go to Step 3.

3.CHECK AIRBAG REAR HARNESS (CURTAIN AIRBAG MODULE HARNESS RH).

1) Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more.

2) Disconnect the connector (AB26) from seat belt pretensioner (RH).

3) Disconnect connector (AB24) from side airbag module (RH).

4) Disconnect the airbag resistor from test harness N.

5) Disconnect the connectors (AB6, AB17, AB18) from airbag control module.

6) Connect the connector (1AG) in the test harness AG to the connectors (AB6, AB17, AB18).

7) Measure the resistance between connector (6AG) in the test harness AG and connector (2N) in the test harness N.

Connector & terminal

(6AG) No. 8 — (2N) No. 2:
(6AG) No. 6 — (2N) No. 1:

Is the resistance less than 10 ??

Diagnostic Chart with Trouble Code > DTC B1831 OPEN IN CURTAIN AIRBAG RH SQUIB CIRCUIT">Go to Step 4.

Replace the airbag rear harness along with body harness.

4.CHECK AIRBAG CONTROL MODULE.

1) Connect all connectors.

2) Clear the memory. Clear Memory Mode">

3) Perform the Inspection Mode. Inspection Mode">

4) Read the DTC. (Current malfunction) Read Diagnostic Trouble Code (DTC)">

Is DTC B1831 displayed?

Replace the airbag control module. Airbag Control Module">

Diagnostic Chart with Trouble Code > DTC B1831 OPEN IN CURTAIN AIRBAG RH SQUIB CIRCUIT">Go to Step 5.

5.CHECK FOR ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Check DTC using “List of Diagnostic Trouble Code (DTC)”. List of Diagnostic Trouble Code (DTC)">

Finish the diagnosis.

Dtc b1830 short in curtain airbag rh squib circuit
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1830 SHORT IN CURTAIN AIRBAG RH SQUIB CIRCUITDiagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detecting condition: ...

Dtc b1832 short in curtain airbag rh squib circuit (to ground)
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1832 SHORT IN CURTAIN AIRBAG RH SQUIB CIRCUIT (TO GROUND)Diagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detectin ...

Other materials:

Removal
PARKING BRAKE > Parking Brake CableREMOVALCAUTION:• Refer to “CAUTION” of “General Description” before handling the airbag system components. General Description > CAUTION">• Airbag system satellite safing sensor is located in the lower of the rear ...

Removal
LUBRICATION(H4DO) > Oil Pressure SwitchREMOVALCAUTION:If the engine oil is spilt over exhaust pipe or the under cover, wipe it off with cloth to avoid emitting smoke or causing a fire.1. Disconnect the ground cable from battery. NOTE">2. Remove the rubber cap.3. Disconnect the terminal f ...

Installation
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Engine Control Module (ECM)INSTALLATIONInstall in the reverse order of removal.CAUTION:• When the ECM of model with immobilizer has been replaced, be sure to perform the registration of immobilizer system.• For model without keyless access with pu ...

© 2016-2021 Copyright www.sucross.com