REMOVAL AND INSTALLATION



warning
  • Never attempt to disassemble or repair the SRS-ECU. If faulty, replace it.
  • Do not drop or subject the SRS-ECU to impact or vibration. If denting, cracking, deformation, or rust are discovered in the SRS-ECU, replace it with a new front impact sensor. Discard the old one.
  • After deployment of an air bag, replace the SRS-ECU with a new one.
  • Never use an ohmmeter on or near the SRS-ECU, and use only the special test equipment described on .

Pre-removal Operation
  • Engine coolant Draining (Refer to .)
  • Refrigerant draining (Refer to .)
  • Air cleaner Removal (Refer to GROUP 15, Air Cleaner .)
  • Front seat assembly Removal (Refer to GROUP 52A, Front Seat Assembly .)
  • Rear heater duct Removal (Refer to .)
  • Instrument panel Removal (Refer to GROUP 52A, Instrument Panel .)
  • SRS-ECU Removal (Refer to GROUP 52B, SRS Control Unit <Except vehicles for Hong Kong and Singapore> or <Vehicles for Hong Kong and Singapore>.)

Post-installation Operation
  • Adjust the front air mix damper control motor. (Refer to .)
  • SRS-ECU Installation (Refer to GROUP 52B, SRS Control Unit <Except vehicles for Hong Kong and Singapore> or <Vehicles for Hong Kong and Singapore>.)
  • Instrument panel Installation (Refer to GROUP 52A, Instrument Panel .)
  • Rear heater duct Removal (Refer to Duct .)
  • Front seat assembly Installation (Refer to GROUP 52A, Front Seat Assembly .)
  • Air cleaner Installation (Refer to GROUP 15, Air Cleaner .)
  • Engine coolant Refilling (Refer to .)
  • Refrigerant Refilling (Refer to .)





Removal steps
<<A>>

·
Harness and clamp


·
Junction block installation


1.
Heater hose


·
Canister installation
<<B>>

2.
Suction pipe
<<B>>

3.
Liquid pipe B


4.
O ring


5.
Drain hose


6.
Front deck cross member heater unit assembly


7.
Grommet

REMOVAL SERVICE POINTS



<<A>> CONNECTOR DISCONNECTION


Disconnect the following connectors to remove the front deck crossmember and the heater unit assembly.



<L.H.D.>
Connector number
Connector name
C-15
Instrument panel wiring harness and floor wiring harness combination
C-16
Instrument panel wiring harness and floor wiring harness combination
C-27
Instrument panel wiring harness and front door wiring harness (LH) combination
C-110
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-111
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-112
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-113
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-114
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-115
Earth
C-124
Instrument panel wiring harness and front wiring harness combination
C-125
Instrument panel wiring harness and front wiring harness combination
C-127
Stop lamp switch
C-128
Instrument panel wiring harness and roof wiring harness combination
C-210
Floor wiring harness and J/B combination
C-211
Roof wiring harness and J/B combination



<R.H.D.>
Connector number
Connector name
C-14
Instrument panel wiring harness and front door wiring harness (RH) combination
C-15
Instrument panel wiring harness and floor wiring harness combination
C-16
Instrument panel wiring harness and floor wiring harness combination
C-17
Instrument panel wiring harness and control wiring harness combination
C-18
Instrument panel wiring harness and control wiring harness combination
C-27
Instrument panel wiring harness and front door wiring harness (LH) combination
C-110
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-111
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-112
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-113
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-114
Engine-ECU <M/T> or Engine-A/T-ECU <A/T>
C-119
SRS-ECU
C-125
Instrument panel wiring harness and front wiring harness combination
C-124
Instrument panel wiring harness and front wiring harness combination
C-128
Instrument panel wiring harness and roof wiring harness combination
C-211
Roof wiring harness and J/B combination
C-210
Floor wiring harness and J/B combination

<<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.