REMOVAL AND INSTALLATION



Pre-removal operation
  • Engine Coolant Draining (Refer to GROUP 14 - on-vehicle service <2400, 3000>, <2000>, <2200>).
  • Discharging refrigerant (Refer to ).
  • Front seat assembly removal (Refer to GROUP 52A - Front seat assembly ).
  • Instrument panel assembly removal (Refer to GROUP 52A - Instrumental Panel ).
  • Headlamp automatic levelling ECU removal (Refer to GROUP 54A - Headlamp automatic levelling ECU ).
  • KOS-ECU removal (Refer to GROUP 42B - KOS-ECU ).
  • SRS-ECU removal (Refer to GROUP 52B - SRS-ECU ).
  • 4WD-ECU removal (Refer to GROUP 27C - 4WD-ECU ).
  • Rear heater duct removal (Refer to ).

Post-installation Operation
  • Rear heater duct installation (Refer to ).
  • 4WD-ECU installation (Refer to GROUP 27C - 4WD-ECU ).
  • SRS-ECU installation (Refer to GROUP 52B - SRS-ECU ).
  • KOS-ECU installation (Refer to GROUP 42B - KOS-ECU ).
  • Headlamp automatic levelling ECU installation (Refer to GROUP 54A - Headlamp automatic levelling ECU ).
  • Instrument panel assembly installation (Refer to GROUP 52A - Instrumental Panel ).
  • Rear heater duct installation (Refer to Duct, ).
  • Front seat assembly installation (Refer to GROUP 52A - Front seat assembly ).
  • Engine Coolant Refilling (Refer to GROUP 14 - on-vehicle service <2400, 3000>, <2000>, <2200>).
  • Charging refrigerant (Refer to ).





Removal steps
<<A>>

·
Wiring harness and clamps


1.
Heater hose


·
Heat protector
<<B>>

2.
Suction flexible hose <Except 3000> or Suction pipe <3000>
<<B>>

3.
Liquid pipe B


4.
O-ring


5.
Drain hose


6.
Front deck crossmember


·
Engine-ECU


7.
Heater unit assembly

REMOVAL SERVICE POINTS



<<A>> CONNECTOR DISCONNECTION








Disconnect the following connectors to remove the front deck crossmember.
Connector number
Connector name
C-22
Instrument panel wiring harness and floor wiring harness combination
C-23
Front wiring harness and floor wiring harness combination
C-24
Instrument panel wiring harness and floor wiring harness combination
C-30
G and yaw rate sensor connection <Vehicles with ASC>
C-36
Instrument panel wiring harness and floor wiring harness combination
C-37
Instrument panel wiring harness and front wiring harness combination
C-38
Instrument panel wiring harness and front wiring harness combination
C-39
Instrument panel wiring harness and front wiring harness combination
C-40
Instrument panel wiring harness and roof wiring harness combination
C-113
Instrument panel wiring harness and door wiring harness (Passenger’s side) connection
C-114
Instrument panel wiring harness and door wiring harness (Passenger’s side) connection
C-128
Instrument panel wiring harness and door wiring harness (Driver’s side) connection
C-129
Instrument panel wiring harness and door wiring harness (Driver’s side) connection
C-134
Oxygen sensor (Front) connection <4B12>

<<B>> SUCTION FLEXIBLE HOSE AND LIQUID PIPE B DISCONNECTION


caution Use the plug which is not breathable because A/C compressor oil or receiver have high hygroscopicity.
Plug the removed nipple of the pipe, hose and expansion valve to prevent the entry of dust and dirt.