Front Sub Sensor: Installation

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: The following service operations include the works which may affect the SRS airbag system. Before starting work, always be sure to confirm the precautions related to the SRS airbag system. (Refer to SRS AIRBAG SYSTEM )

CAUTION:

If the airbag has been activated, replace the front sub sensor with a new one.
Do not reuse the bolt and nut.
Always replace with the specified new bolt and nut.

NOTE: The following procedure is for LH side. Unless otherwise specified, perform the same procedures for the RH side.

Installation of the front sub sensor LH
1. Before installation, inspect the following items and replace any faulty part with a new one.
  - Front sub sensor and bracket are damaged.
  - Connector is damaged.
2. Check that the ignition switch is turned to OFF.
3. Check that the battery ground terminal is disconnected.
  WARNING:
  - After disconnecting the battery ground terminal, do not start the work before waiting for 60 seconds.
  - If the work is performed before disconnecting the battery ground terminal, the airbag may be activated just by the impact applied to the front sub sensor LH itself. Make sure to confirm the battery ground terminal is disconnected before starting the work.
4. Connect the connector to the front sub sensor LH.
  CAUTION: When engaging the connector, insert it straight taking care not to twist it.
  
  Fig 1: Connecting Connector To Front Sub Sensor LH
  Courtesy of SUBARU OF AMERICA, INC.
5. Insert 2 guides and install temporally the front sub sensor LH.
6. Using 2 bolts, install the front sub sensor LH.
  Standard value: T=13N.m {133kgf.cm} {9.6ft.lbf}
7. Check the front sub sensor LH for looseness.
8. Move the washer tank filler to the original position.
Connection of the battery ground terminal
Standard value: T=6.0N.m {61kgf.cm} {4.4ft.lbf}
Inspection of the airbag warning light (Refer to AIRBAG WARNING LIGHT ILLUMINATION PATTERN )