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Subaru Legacy Service Manual: Dtc b16ed curtain airbag sensor lh initialization error

Subaru Legacy Service Manual / Airbag system (diagnostics) / Diagnostic chart with trouble code / Dtc b16ed curtain airbag sensor lh initialization error

DIAGNOSIS START CONDITION:

Ignition voltage is 10 V to 16 V.

DTC DETECTING CONDITION:

Curtain airbag sensor LH initialization error

WIRING DIAGRAM:

NOTE:

For the coupling connector, refer to “WIRING SYSTEM”.

Airbag system Airbag System > WIRING DIAGRAM

STEPCHECKYESNO

1.CHECK DTC.

Is DTC B1627 displayed-

Perform the diagnosis according to DTC.

Diagnostic Chart with Trouble Code > DTC B16ED CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR

2.CHECK POOR CONTACT OF CONNECTORS.

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

Is there poor contact-

Replace the airbag rear harness and the door harness.

Diagnostic Chart with Trouble Code > DTC B16ED CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR

3.CHECK AIRBAG REAR HARNESS (BETWEEN SIDE AIRBAG SENSOR LH AND CURTAIN AIRBAG SENSOR LH) (OPEN CIRCUIT).

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 (AB5) from seat cushion airbag module LH.

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

5) Disconnect the connector (AB19) from side airbag module LH.

6) Disconnect the connector (AB23) from the side airbag sensor LH.

7) Connect the connector (AB23) of side airbag sensor LH and the connector (1AI) in the test harness AI.

8) Connect the connector (2AI) in the test harness AI and the connector (1V) in the test harness V.

9) Disconnect the connector (AB32) from curtain airbag sensor LH, and connect the connector (2V) in test harness V to connector (AB32).

10) Measure the resistance between connector (3V) terminals in the test harness V.

Connector & terminal

(3V) No. 2 — (3V) No. 6:

(3V) No. 1 — (3V) No. 7:

Is the resistance less than 10 --

Diagnostic Chart with Trouble Code > DTC B16ED CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR

Replace the airbag rear harness along with body harness.

4.CHECK AIRBAG REAR HARNESS (BETWEEN SIDE AIRBAG SENSOR AND CURTAIN AIRBAG SENSOR LH) (SHORTED TO GROUND AND SHORTED BETWEEN LINES).

Measure the resistance between connector (3V) in test harness V and chassis ground, and the resistance between connector (3V) in test harness V.

Connector & terminal

(3V) No. 1 — Chassis ground:

(3V) No. 2 — Chassis ground:

(3V) No. 1 — (3V) No. 2:

Is the resistance 1 M- or more-

Diagnostic Chart with Trouble Code > DTC B16ED CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR

Replace the airbag rear harness along with body harness.

5.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 B16ED displayed-

Diagnostic Chart with Trouble Code > DTC B16ED CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR

Diagnostic Chart with Trouble Code > DTC B16ED CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR

6.CHECK CURTAIN AIRBAG SENSOR LH.

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

2) Replace the curtain airbag sensor LH by the curtain airbag sensor RH. Curtain Airbag Sensor > REMOVAL

3) Connect all connectors.

4) Clear the memory. Clear Memory Mode

5) Perform the Inspection Mode. Inspection Mode

6) Read the DTC. (Current malfunction) Read Diagnostic Trouble Code (DTC)

Is DTC B16ED displayed-

Diagnostic Chart with Trouble Code > DTC B16ED CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR

Replace the curtain airbag sensor LH. Curtain Airbag Sensor > REMOVAL

7.CHECK AIRBAG CONTROL MODULE.

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

2) Replace the curtain airbag sensor LH. Curtain Airbag Sensor > REMOVAL

3) Connect all connectors.

4) Clear the memory. Clear Memory Mode

5) Perform the Inspection Mode. Inspection Mode

6) Read the DTC. (Current malfunction) Read Diagnostic Trouble Code (DTC)

Is DTC B16ED displayed-

Replace the airbag control module. Airbag Control Module > REMOVAL

Diagnostic Chart with Trouble Code > DTC B16ED CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR

8.CHECK FOR ANY OTHER DTC ON DISPLAY.

Read the DTC. (Current malfunction) Read Diagnostic Trouble Code (DTC)

Is any other DTC displayed-

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

Finish the diagnosis.

Dtc b1804 short in driver's airbag
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:Short circuit between driver’s airbag circuit and other circuitCAUTION:Before performing diagnosis, refer to &l ...

Dtc b16ec curtain airbag sensor rh initialization error
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:Curtain airbag sensor RH initialization errorWIRING DIAGRAM:NOTE:For the coupling connector, refer to “WIRING S ...

Other materials:

Removal
1. Remove the transmission assembly from the vehicle. Automatic Transmission Assembly > REMOVAL2. Remove the air breather hose. Air Breather Hose > REMOVAL3. Remove the oil pan and control valve body. Control Valve Body > REMOVAL4. Remove the transmission harness. Transmission Harness > REMOVAL5 ...

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