Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Dtc b1820 short in side airbag rh

AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble Code

DTC B1820 SHORT IN SIDE AIRBAG RH

Diagnosis start condition:

Ignition voltage is 10 V to 16 V.

DTC detecting condition:

Side airbag harness (RH) circuit is shorted.

Side 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, side airbag module RH and the side airbag sensor RH.

Is there poor contact?

Replace the airbag rear harness along with body harness.

Diagnostic Chart with Trouble Code > DTC B1820 SHORT IN SIDE AIRBAG RH">Go to Step 2.

2.CHECK SIDE 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 (AB24) from the side airbag module (RH), and connect the connector (1AJ) in the test harness AJ to connector (AB24).

3) Connect the airbag resistor to the test harness AJ connector (3AJ).

4) 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 side airbag module (RH). Side Airbag Module > REMOVAL">

Diagnostic Chart with Trouble Code > DTC B1820 SHORT IN SIDE AIRBAG RH">Go to Step 3.

3.CHECK AIRBAG REAR HARNESS (SIDE 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 the connector (AB33) from curtain airbag module (RH).

4) Disconnect the airbag resistor from test harness AJ.

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 (5AG) in the test harness AG and chassis ground.

Connector & terminal

(5AG) No. 5 — (5AG) No. 7:

Is the resistance 1 M? or more?

Diagnostic Chart with Trouble Code > DTC B1820 SHORT IN SIDE AIRBAG RH">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 B1820 displayed?

Replace the airbag control module. Airbag Control Module">

Diagnostic Chart with Trouble Code > DTC B1820 SHORT IN SIDE AIRBAG RH">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 b1818 short in passenger s airbag dual stage - 2nd step circuit (to +b)
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1818 SHORT IN PASSENGER’S AIRBAG DUAL STAGE - 2ND STEP CIRCUIT (TO +B)Diagnosis start condition:Ignition voltage is 10 V t ...

Dtc b1821 open in side airbag rh
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1821 OPEN IN SIDE AIRBAG RHDiagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detecting condition:• Side airba ...

Other materials:

Dtc p0724 brake switch "b" circuit high
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0724 BRAKE SWITCH "B" CIRCUIT HIGHDTC detecting condition:Immediately at fault recognitionTrouble symptom:Gear is not shifted down when climbing a hill or driving down a hill.C ...

Installation
MECHANICAL(H4DO) > Crank SprocketINSTALLATION1. Install the crank sprocket.NOTE:The direction of installation is not specified for the crank sprocket.2. Install the timing chain. Timing Chain Assembly > INSTALLATION">3. Install the chain cover. Chain Cover > INSTALLATION"> ...

Removal
EXTERIOR/INTERIOR TRIM > Glove BoxREMOVALNOTE:Refer to “Security and Locks” section for key cylinder replacement. Key Lock Cylinders > REPLACEMENT">1. Remove the pocket assembly.(1) Attach the protective tape (a) to the panel center LWR.(2) Remove the damper COMPL - pocket ...

© 2016-2023 Copyright www.sucross.com