Seats (Except Sti): Other Subaru Impreza GH

CAUTION

1. If the seat cushion cover is removed or replaced, make sure to perform passenger detection system adjustment after installing the seat to the vehicle. Ref. to «SYSTEM CALIBRATION (REZEROING)»(ref-357285-S14307102082010031100000) , OPERATION, Subaru Select Monitor.
2. The passenger detection system (passenger seat only) control unit and the passenger detection sensor are fixed to the seat cushion frame. Never remove the passenger detection control unit or the pressure sensor from the seat cushion frame.
3. Do not replace the seat cushion pad by itself. Always replace the seat cushion pad and frame assembly as a set. The seat cushion pad and cushion frame are adjusted as a set at the time of manufacture. If cushion pads and cushion frames are combined from those of other vehicles or other sets, the passenger detection system may not operate properly.
4. If the seat cushion cover is removed, make sure to replace the hang wire on the seat cushion side with a new wire.
5. When removing the front seat from a side airbag loaded vehicle, follow cautions given in the airbag section. Ref. to «CAUTION»(ref-357264-S20524425862010031100000) , General Description.

GENERAL TOOL

GENERAL TOOL SPECIFICATION

DRIVER'S SEAT

1. Disconnect the ground cable from battery, and wait for 20 seconds or more before starting work.
2. Remove the headrest.
3. Remove the slide rail installing bolt. Tilt the backrest forward, and move the seat to the full forward position. Remove the rear bolt cover at the rear end of the slide rail, and remove the two bolts. Move the seat to the rearmost position, and remove the two bolts at the front side of the slide rail.
4. Tilt the backrest forward, and move the seat forward.
5. Remove the rear bolt cover, and remove the two bolts at the rear side of the slide rail.
6. Move the seat towards the rear, and remove the two bolts at the front side of the slide rail.
7. Disconnect the connector under the seat. Seat belt buckle switch connector Side airbag connector Seat heater connector (model with seat heater)
8. Remove the seat from vehicle.

PASSENGER'S SEAT

1. Disconnect the ground cable from battery, and wait for 20 seconds or more before starting work.
2. Remove the headrest.
3. Tilt the backrest forward, and move the seat forward.
4. Remove the rear bolt cover, and then remove the rear side of slide rail.
5. Move the seat backward, remove the front bolt cover, and then remove the bolt at the front side of slide rail.
6. Disconnect all the connectors of connector holder in the backside of seat cushion. Harness connector of occupant detection control module Side airbag connector Seat heater connector (model with seat heater)
7. Remove the seat from vehicle.

1. Remove the seat from vehicle. PASSENGER'S SEAT, REMOVAL, Front Seat.>
2. Refer to the disassembly procedures for the driver's seat.

Note. When installing the inner seat belt assembly, follow the procedure described in the seat belt section. Ref. to INSTALLATION , Front Seat Belt. Install the backrest assembly and seat cushion assembly in the following procedure.

Scheme 84

1. Temporarily tighten the four reclining hinge bolts.
2. Place the backrest in the most upright position.
3. Tighten the reclining hinge bolts in the order of (1) through (4), in two or three steps by gradually increasing the torque until they reach the specified torque.
4. Assemble in the reverse order of disassembly.

Scheme 85

Scheme 86

1. Assemble the seat cushion in the reverse order of disassembly.
2. Assemble the backrest in the reverse order of disassembly.
3. When installing the backrest assembly to the seat cushion assembly, fill the gap in the front side of slide rail LH and in the rear side of slide rail RH with cloth etc. in order to stabilize the seat cushion assembly.
4. Temporarily tighten the reclining hinge bolts in the order of (1) through (4) to an extent that the seat backrest assembly is not held securely.
5. Use the reclining lever to place the backrest in the most upright position, and check the first lock position of recliner.
6. Hold the seat cushion assembly securely, and tighten the reclining hinge bolts in the order described above until they reach the specified torque. CAUTION: Do not touch the backrest assembly when tightening the reclining hinge bolts.
7. Assemble each harness, inner belt assembly and each cover in the reverse order of removal.

Tightening torque: Refer to "COMPONENT" of "General Description". FRONT SEAT LH, COMPONENT, General Description.>

SEAT HEATER UNIT

1. Remove the front seats. REMOVAL, Front Seat.>
2. Remove the backrest cover of front seat and seat cushion cover. DISASSEMBLY, Front Seat.>
3. Remove the seat heater unit.

Scheme 87

SEAT HEATER SWITCH

1. Remove the console box. Ref. to «REMOVAL»(ref-357250-S06797543912010031100000) , Console Box.
2. Remove the seat heater switch from the console box.

Disconnect the seat heater unit connector, and check the continuity between terminals of connector.

Connector & terminal

No. 1 - No. 3

No. 1 - No. 4

No. 3 - No. 4

Scheme 88

If no continuity exists, replace the seat heater unit with a new part.

1. CHECK THERMISTOR OUTPUT VOLTAGE

1. Connect the battery to the connector.
2. Measure the voltage between connector and chassis ground.

Connector & terminal

LHD side seat

(R43) No. 4 (+) - Chassis ground (-)

RHD side seat

(R42) No. 4 (+) - Chassis ground (-)

If voltage is not 1.5 V or more, replace the seat heater switch.

1. CHECK SWITCH OUTPUT VOLTAGE

1. Connect the battery to the connector.
2. Measure the voltage between connector and chassis ground while turning the switch to ON.

Connector & terminal

LHD side seat

(R43) No. 3 (+) - Chassis ground (-)

RHD side seat

(R42) No. 3 (+) - Chassis ground (-)

If voltage does not change from 10 V or more to zero, replace the seat heater switch.