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:

Windshield washer fluid
Use windshield washer fluid. If windshield washer fluid is unavailable use clean water. In areas where water freezes in winter, use an anti-freeze type windshield washer fluid. SUBARU Windshield Washer Fluid contains 58.5% methyl alcohol and 41.5% surfactant, by volume. Its freezing tempera ...

Dtc b1572 imm circuit except antenna circuit
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B1572 IMM CIRCUIT EXCEPT ANTENNA CIRCUIT1. EXCEPT FOR C0 AND C5 MODELSDTC detecting condition:Communication error between keyless access CM and ECMTrouble symptom:Engine will no ...

Removal
WIPER AND WASHER SYSTEMS > Wiper BladeREMOVAL1. FRONTWhile pushing the locking clip (A) up, pull out the blade assembly - windshield wiper in the direction of the arrow, and remove it from the arm assembly - windshield wiper.2. REARTurn the blade assembly - rear wiper in the direction of arrow (A ...

© 2016-2021 Copyright www.sucross.com