Subaru Crosstrek Service Manual: Dtc b1825 short in side airbag lh

Diagnosis start condition:

Ignition voltage is 10 V to 16 V.

DTC detecting condition:

• Side airbag harness (LH) circuit is shorted.

• Side airbag module (LH) is faulty.

• Airbag control module is faulty.

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

1.CHECK POOR CONTACT OF CONNECTORS.

Check for poor contact of the connectors between the airbag control module, side airbag module LH and the side airbag sensor LH.

Is there poor contact?

Replace the airbag rear harness along with body harness.

Diagnostic Chart with Trouble Code > DTC B1825 SHORT IN SIDE AIRBAG LH">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 (AB19) from the side airbag module (LH), and connect the connector (1AJ) in test harness AJ to the connector (AB19).

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 (LH). Side Airbag Module > REMOVAL">

Diagnostic Chart with Trouble Code > DTC B1825 SHORT IN SIDE AIRBAG LH">Go to Step 3.

3.CHECK AIRBAG REAR HARNESS (SIDE AIRBAG MODULE HARNESS LH).

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

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) terminals in test harness AG.

Connector & terminal

(5AG) No. 1 — (5AG) No. 3:

Is the resistance 1 M? or more?

Diagnostic Chart with Trouble Code > DTC B1825 SHORT IN SIDE AIRBAG 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 B1825 displayed?

Replace the airbag control module. Airbag Control Module">

Diagnostic Chart with Trouble Code > DTC B1825 SHORT IN SIDE AIRBAG 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 b1823 short in side airbag rh (to +b)

Dtc b1826 open in side airbag lh

Other materials:

Assembly
DIFFERENTIALS > Rear Differential (T-type)ASSEMBLYNOTE:• Assemble in the reverse order of disassembly.• Check and adjust each part during assembly.• Keep the shims and washers in order, so that they are not improperly installed.• Thoroughly clean the surfaces on which the ...

Available HD RadioTM technology (if equipped)
Multicast On the FM radio frequency most digital stations have "multiple" or supplemental programs on one FM station. 1. Touch the "Sub CH" key on the control screen and the following screen will be displayed. 2. The indication that shows whether the current broadcast is digital or analo ...

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"> ...