Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b169f door sensor failure: abnormal pressure

Subaru Legacy BN/BS (2015-2019) Service Manual / Airbag system (diagnostics) / Diagnostic chart with trouble code / Dtc b169f door sensor failure: abnormal pressure

DIAGNOSIS START CONDITION:

Ignition voltage is 10 V to 16 V.

DTC DETECTING CONDITION:

Front door impact sensor detected value abnormal (difference of the detected pressure values between front door impact sensor RH and LH exceeds a predetermined value), airbag CM process failure

STEP	CHECK	YES	NO
1.CHECK FRONT DOOR IMPACT SENSOR RH. 1) Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more. 2) Disconnect the connector (AB64) from front door impact sensor RH. Front Door Impact Sensor > REMOVAL 3) Connect a new front door impact sensor RH to connector (AB64). 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 B169F displayed-	Diagnostic Chart with Trouble Code > DTC B169F DOOR SENSOR FAILURE: ABNORMAL PRESSURE	Replace the front door impact sensor RH. Front Door Impact Sensor > REMOVAL
2.CHECK FRONT DOOR IMPACT SENSOR LH. 1) Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more. 2) Restore the front door impact sensor RH back to the original position. 3) Disconnect the connector (AB58) from front door impact sensor LH. Front Door Impact Sensor > REMOVAL 4) Connect a new front door impact sensor LH to connector (AB58). 5) Clear the memory. Clear Memory Mode 6) Perform the Inspection Mode. Inspection Mode 7) Read the DTC. (Current malfunction) Read Diagnostic Trouble Code (DTC)	Is DTC B169F displayed-	Diagnostic Chart with Trouble Code > DTC B169F DOOR SENSOR FAILURE: ABNORMAL PRESSURE	Replace the front door impact sensor LH. Front Door Impact Sensor > REMOVAL
3.CHECK AIRBAG CONTROL MODULE. 1) Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more. 2) Restore the front door impact sensor LH back to the original position. 3) Clear the memory. Clear Memory Mode 4) Perform the Inspection Mode. Inspection Mode 5) Read the DTC. (Current malfunction) Read Diagnostic Trouble Code (DTC)	Is DTC B169F displayed-	Replace the airbag control module. Airbag Control Module > REMOVAL	Check DTC using “List of Diagnostic Trouble Code”. List of Diagnostic Trouble Code (DTC) > LIST

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Other materials:

Installation
1. Install the pedal assembly.Tightening torque:T: 18 N·m (1.8 kgf-m, 13.3 ft-lb)2. Install the snap pin and clevis pin connecting the operating rod and brake pedal.CAUTION:Always use a new clevis pin.3. Connect the connector to the brake switch.4. Connect the connector to the clutch switch.5 ...