AIR CONDITIONING UNIT INSTALLATION
PROCEDURE
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INSTALL AIR CONDITIONING UNIT ASSEMBLY
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Temporarily install the air conditioning unit assembly to the instrument panel reinforcement assembly with the 3 bolts and 2 screws.
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INSTALL INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONING UNIT
Note
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Be sure to support the air conditioning unit assembly when installing it because failure to do so may cause the bracket of the air conditioning unit assembly to break.
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When installing the air conditioning unit, eliminate static electricity by touching the vehicle body to prevent the components from being damaged.
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Engage the 3 guides and temporarily install the instrument panel reinforcement assembly with air conditioning unit as shown in the illustration.
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Temporarily install the 8 bolts and nut as shown in the illustration.
*1 Instrument Panel Reinforcement Assembly - - *a Movable Collar *b Vehicle Body *c Step 1 *d Step 2 *e Step 3 *f Step 4 
Bolt <A> 
Bolt <B> 
Nut - - -
Tighten the 7 bolts <A>.
- Torque:
- 20 N*m { 204 kgf*cm, 15 ft.*lbf }
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Tighten the bolt <B>.
- Torque:
- 21 N*m { 214 kgf*cm, 15 ft.*lbf }
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Tighten the nut.
- Torque:
- 9.8 N*m { 100 kgf*cm, 87 in.*lbf }
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Install the 3 bolts.
- Torque:
- 9.8 N*m { 100 kgf*cm, 87 in.*lbf }
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Install the 3 hole plugs.
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Engage each clamp.
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Connect each connector.
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Connect the bracket with the bolt.
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Connect the 3 earth wires with the 3 bolts.
- Torque:
- 8.4 N*m { 86 kgf*cm, 74 in.*lbf }
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FULLY TIGHTEN AIR CONDITIONING UNIT ASSEMBLY
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Tighten the 3 bolts and 2 screws.
Bolt Screw - Torque:
- Bolt
- 9.8 N*m { 100 kgf*cm, 87 in.*lbf }
Note
Tighten the bolts and screws in the order shown in the illustration to install the air conditioning unit assembly.
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INSTALL INSTRUMENT PANEL SAFETY PAD CAP
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*A for LH Side *B for RH Side *1 Instrument Panel Safety Pad Cap (A) *2 Instrument Panel Safety Pad Cap (B) Install 4 new instrument panel safety pad caps (A) and 2 instrument panel safety pad caps (B).
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INSTALL NO. 2 INSTRUMENT PANEL TO FLOOR BRACE
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Engage the 2 guides.
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Install the No. 2 instrument panel to floor brace with the 3 bolts.
- Torque:
- 20 N*m { 204 kgf*cm, 15 ft.*lbf }
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INSTALL NO. 1 CONSOLE BOX DUCT
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Install the No. 1 console box duct with the 2 clips.
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Engage the 2 clamps.
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INSTALL REAR NO. 1 AIR DUCT
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Install the rear No. 1 air duct.
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Engage the clamp to connect the wire harness.
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INSTALL FRONT FLOOR SILENCER PAD LH
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Install the front floor silencer pad LH.
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INSTALL REAR NO. 2 AIR DUCT
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Engage the 4 claws to install the rear No. 2 air duct.
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Install the front floor mat to the original position as shown in the illustration.
*a Guide *b Clamp 
Fastener - - -
Engage each fastener and the clamp.
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Engage the guide.
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Install the clip.
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INSTALL REAR NO. 3 AIR DUCT
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Install the rear No. 3 air duct.
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Engage the clamp to connect the wire harness.
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INSTALL FRONT FLOOR SILENCER PAD RH
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Install the front floor silencer pad RH.
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INSTALL REAR NO. 4 AIR DUCT
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Engage the 4 claws to install the rear No. 4 air duct.
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Install the front floor mat to the original position as shown in the illustration.
*a Guide *b Clamp Fastener - - -
Engage the fastener and clamp.
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Engage the guide.
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INSTALL FLOOR CARPET HOOK
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Engage the 4 clamps to install the 4 floor carpet hooks.
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Engage the 4 clamps to connect the wire harness.
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INSTALL ACCELERATOR PEDAL ASSEMBLY
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Temporarily install the accelerator pedal assembly to the rod of the accelerator pedal sensor assembly.
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Install the accelerator pedal assembly with the 2 bolts.
- Torque:
- 5.4 N*m { 55 kgf*cm, 48 in.*lbf }
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INSTALL ACCELERATOR PEDAL PAD
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Engage the 2 claws to install the accelerator pedal pad.
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INSTALL COOLER (ROOM TEMP. SENSOR) THERMISTOR
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Connect the air hose and connector to install the cooler (room temp. sensor) thermistor.
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INSTALL AIR CONDITIONING AMPLIFIER ASSEMBLY
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INSTALL ECO RUN VEHICLE CONVERTER ASSEMBLY (w/ Stop and Start System)
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INSTALL FRONT STEERING CONTROL ECU (w/ VGRS)
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INSTALL CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) (w/ Network Gateway ECU)
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INSTALL TIRE PRESSURE MONITOR INITIATOR DRIVER (w/ Tire Pressure Warning System)
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INSTALL NO. 2 AIR DUCT SUB-ASSEMBLY
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Install the No. 2 air duct sub-assembly with the screw.
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INSTALL ENGINE STOP AND START SOLENOID FILTER (w/ Stop and Start System)
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INSTALL STEREO COMPONENT EQUALIZER ASSEMBLY (for LHD)
w/ ASC System:
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INSTALL ECU INTEGRATION BOX RH (w/o Stop And Start System)
for LHD:
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INSTALL ECU INTEGRATION BOX RH WITH ENGINE STOP AND START ECU (w/ Stop and Start System)
for LHD:
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INSTALL ENGINE STOP AND START ECU (w/ Stop and Start System)
for RHD:
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INSTALL DRIVING SUPPORT ECU ASSEMBLY (w/ Dynamic Radar Cruise Control System)
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INSTALL CLEARANCE WARNING ECU ASSEMBLY (w/ LEXUS Parking Assist-sensor System)
for LHD:
for RHD:
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INSTALL INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU
for LHD:
for RHD:
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INSTALL STEERING COLUMN ASSEMBLY
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INSTALL INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY
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INSTALL FRONT SEAT ASSEMBLY LH (for Manual Seat)
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INSTALL FRONT SEAT ASSEMBLY LH (for Power Seat)
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INSTALL FRONT SEAT ASSEMBLY RH (for Manual Seat)
Tech Tips
Use the same procedure as for the LH side.
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INSTALL FRONT SEAT ASSEMBLY RH (for Power Seat)
Tech Tips
Use the same procedure as for the LH side.
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CONNECT COOLER REFRIGERANT LIQUID PIPE A
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Remove the vinyl tape from the cooler refrigerant liquid pipe A.
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Sufficiently apply compressor oil to a new O-ring and the fitting surface of the cooler refrigerant liquid pipe A.
Refrigerant Compressor Oil HFC-134a (R134a) ND-OIL 8 or equivalent HFO-1234yf (R1234yf) ND-OIL 12 or equivalent -
Install the O-ring to the cooler refrigerant liquid pipe A.
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Connect the cooler refrigerant liquid pipe A.
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CONNECT SUCTION PIPE SUB-ASSEMBLY
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Remove the vinyl tape from the suction pipe sub-assembly.
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Sufficiently apply compressor oil to a new O-ring and the fitting surface of the suction pipe sub-assembly.
Refrigerant Compressor Oil HFC-134a (R134a) ND-OIL 8 or equivalent HFO-1234yf (R1234yf) ND-OIL 12 or equivalent -
Install the O-ring to the suction pipe sub-assembly.
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Connect the suction pipe sub-assembly.
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Rotate the hook connector as shown in the illustration.
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Insert the pipe joint into the fitting hole securely and tighten the bolt.
- Torque:
- 9.8 N*m { 100 kgf*cm, 87 in.*lbf }
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CONNECT INLET HEATER WATER HOSE A
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*A for 2GR-FKS *B for 8AR-FTS *a View A *b Marking (White) *c Marking (Orange) *d Clip Installation Angle (75 to 105°) *e Clip Installation Angle (30 to 60°) Connect the inlet heater water hose A with the marking facing up and engage the clip within the area shown in the illustration.
Note
Do not apply excessive force to the inlet heater water hose A.
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CONNECT OUTLET HEATER WATER HOSE A
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*A for 2GR-FKS *B for 8AR-FTS *a View A *b Marking (White) *c Marking (Orange) *d Clip Installation Angle (30 to 60°) *e Clip Installation Angle (-15 to 15°) Connect the outlet heater water hose A with the marking facing up and engage the clip within the area shown in the illustration.
Note
Do not apply excessive force to the outlet heater water hose A.
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INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
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ADD ENGINE COOLANT (for 2GR-FKS)
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ADD ENGINE COOLANT (for 8AR-FTS)
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INSPECT FOR COOLANT LEAK (for 2GR-FKS)
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INSPECT FOR COOLANT LEAK (for 8AR-FTS)
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CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT (for HFC-134a(R134a))
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CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT (for HFO-1234yf(R1234yf))
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WARM UP ENGINE (for HFC-134a(R134a))
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WARM UP ENGINE (for HFO-1234yf(R1234yf))
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INSPECT FOR REFRIGERANT LEAK (for HFC-134a(R134a))
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INSPECT FOR REFRIGERANT LEAK (for HFO-1234yf(R1234yf))
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INITIALIZE SERVO MOTOR