Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Dtc b1905 short in front p/t lh

AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble Code

DTC B1905 SHORT IN FRONT P/T LH

Diagnosis start condition:

Ignition voltage is 10 V to 16 V.

DTC detecting condition:

Seat belt pretensioner (LH) circuit is shorted.

Pretensioner (LH) is faulty.

Pretensioner harness (LH) 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 and the seat belt pretensioner LH.

Is there poor contact?

Replace the airbag rear harness along with body harness.

Diagnostic Chart with Trouble Code > DTC B1905 SHORT IN FRONT P/T LH">Go to Step 2.

2.CHECK SEAT BELT PRETENSIONER.

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

2) Disconnect the connector (AB21) from seat belt pretensioner (LH).

3) Connect the connector (1N) in the test harness N to the connector (AB21).

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 seat belt pretensioner (LH). Front Seat Belt">

Diagnostic Chart with Trouble Code > DTC B1905 SHORT IN FRONT P/T LH">Go to Step 3.

3.CHECK AIRBAG REAR HARNESS (PRETENSIONER HARNESS LH).

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

2) Disconnect the airbag resistor from the connector (2N) of test harness N.

3) Disconnect connector (AB19) from side airbag module (LH).

4) Disconnect the connector (AB31) from curtain airbag module (LH).

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 (3AG) terminals in test harness AG.

Connector & terminal

(3AG) No. 10 — (3AG) No. 12:

Is the resistance 1 M? or more?

Diagnostic Chart with Trouble Code > DTC B1905 SHORT IN FRONT P/T LH">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 B1905 displayed?

Replace the airbag control module. Airbag Control Module">

Diagnostic Chart with Trouble Code > DTC B1905 SHORT IN FRONT P/T LH">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 b1908 short in front p/t lh (to +b)
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1908 SHORT IN FRONT P/T LH (TO +B)Diagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detecting condition:• Sea ...

Dtc b1906 open in front p/t lh
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1906 OPEN IN FRONT P/T LHDiagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detecting condition:• Seat belt pr ...

Other materials:

Dtc p2530 ignition switch run position circuit
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P2530 IGNITION SWITCH RUN POSITION CIRCUITDTC detecting condition:Immediately at fault recognitionTrouble symptom:Improper idlingCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Cl ...

Dtc p0302 cylinder 2 misfire detected
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0302 CYLINDER 2 MISFIRE DETECTEDNOTE:For the diagnostic procedure, refer to DTC P0304. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0304 CYLINDER 4 MISFIRE DETECTED">1. OUTLINE O ...

Disassembly
CONTROL SYSTEMS > MT Gear Shift LeverDISASSEMBLY1. Remove the lock wires.(A)Lock wire2. Remove the rod from gear shift lever.(A)Rod(B)Lever(C)Stay3. Separate the rod and inner boot.4. Remove the snap ring from the stay.(A)Snap ring5. Separate the gear shift lever and the stay.6. Remove the boot a ...

© 2016-2022 Copyright www.sucross.com