Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001JUAJ
Model Year Start: 2020 Model: Avalon HV Prod Date Range: [08/2019 - 08/2021]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING UNIT (for HV Model): INSTALLATION; 2020 - 2021 MY Avalon HV [08/2019 - 08/2021]

INSTALLATION

PROCEDURE

1. TEMPORARILY INSTALL AIR CONDITIONER UNIT ASSEMBLY

(a) Engage the 2 claws.

(b) Temporarily install the air conditioner unit assembly to the instrument panel reinforcement assembly with the 3 bolts.

2. INSTALL INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONER UNIT ASSEMBLY

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3. INSTALL INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; POWER DISTRIBUTION: MAIN BODY ECU: INSTALLATION+

4. INSTALL HYBRID VEHICLE CONTROL ECU

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: INSTALLATION+

5. INSTALL NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY

(a) Install the No. 3 instrument panel to cowl brace sub-assembly with the bolt and nut.

Torque:

Bolt :

10 N·m {102 kgf·cm, 7 ft·lbf}

Nut :

10 N·m {102 kgf·cm, 7 ft·lbf}

(b) Engage each clamp.

6. INSTALL NO. 2 INSTRUMENT PANEL BRACE SUB-ASSEMBLY

(a) Install the No. 2 instrument panel brace sub-assembly with the bolt and nut.

Torque:

Bolt :

20 N·m {204 kgf·cm, 15 ft·lbf}

Nut :

18 N·m {184 kgf·cm, 13 ft·lbf}

(b) Temporarily install the screw.

HINT:

Do not fully tighten the screw.

(c) Engage each clamp.

(d) Connect the relay block holder with the bolt (A).

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

*a

Earth Wire

*b

Relay Block Holder

Bolt (A)

Bolt (B)

(e) Connect the earth wire with the bolt (B).

Torque:

8.5 N·m {87 kgf·cm, 75 in·lbf}

7. INSTALL NO. 1 INSTRUMENT PANEL BRACE SUB-ASSEMBLY

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8. INSTALL AIR CONDITIONER UNIT ASSEMBLY

(a) Tighten the 3 bolts, 2 screws and nut to install the air conditioner unit assembly.

Bolt

Screw

Nut

-

-

Torque:

Bolt :

9.8 N·m {100 kgf·cm, 87 in·lbf}

Nut :

9.8 N·m {100 kgf·cm, 87 in·lbf}

NOTICE:

Tighten the bolts, screws and nut in the order shown in the illustration.

9. INSTALL NO. 3 DASH PANEL INSULATOR PAD

(a) Install the No. 3 dash panel insulator pad with 2 new clips as shown in the illustration.

10. INSTALL NO. 1 CONSOLE BOX DUCT

(a) Install the No. 1 console box duct as shown in the illustration.

Install in this Direction

11. INSTALL FLOOR CARPET BRACKET LH

(a) Engage the claw as shown in the illustration.

Install in this Direction

(b) Install the floor carpet bracket LH with the clip.

12. INSTALL FLOOR CARPET BRACKET RH

(a) Engage the claw as shown in the illustration.

Install in this Direction

(b) Install the floor carpet bracket RH with the clip.

13. INSTALL REAR NO. 3 AIR DUCT

(a) Engage the 2 claws to install the rear No. 3 air duct.

14. INSTALL REAR NO. 4 AIR DUCT

(a) Engage the 4 claws to install the rear No. 4 air duct as shown in the illustration.

Install in this Direction

(b) Install the front floor carpet assembly to its original position as shown in the illustration.

(c) Engage the 2 guides.

(d) Install the 3 front floor carpet clips.

15. INSTALL REAR NO. 1 AIR DUCT

(a) Engage the 2 claws to install the rear No. 1 air duct.

16. INSTALL REAR NO. 2 AIR DUCT

(a) Engage the 4 claws to install the rear No. 2 air duct as shown in the illustration.

Install in this Direction

(b) Install the front floor carpet assembly to its original position as shown in the illustration.

(c) Engage the 2 guides.

(d) Install the 3 front floor carpet clips.

17. INSTALL ACCELERATOR PEDAL

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: ACCELERATOR PEDAL SENSOR: INSTALLATION+

18. INSTALL ACCELERATOR PEDAL PAD

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: ACCELERATOR PEDAL SENSOR: INSTALLATION+

19. INSTALL COOLER (ROOM TEMP. SENSOR) THERMISTOR

(a) Connect the aspirator and connector to install the cooler (room temp. sensor) thermistor.

20. INSTALL DRIVING SUPPORT ECU ASSEMBLY

Click here 2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; CRUISE CONTROL: DRIVING SUPPORT ECU: INSTALLATION+

21. INSTALL NO. 1 CLEARANCE WARNING BUZZER (w/ Intelligent Parking Assist System)

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING BUZZER (for Front): INSTALLATION+

22. INSTALL DCM (TELEMATICS TRANSCEIVER) WITH BRACKET

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): INSTALLATION+ 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): INSTALLATION+

23. INSTALL VEHICLE APPROACHING SPEAKER CONTROLLER

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; VEHICLE PROXIMITY NOTIFICATION SYSTEM: VEHICLE APPROACHING SPEAKER ECU: INSTALLATION+ 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; ACOUSTIC VEHICLE ALERTING SYSTEM: VEHICLE APPROACHING SPEAKER ECU: INSTALLATION+

24. INSTALL ECU INTEGRATION BOX RH

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; NETWORKING: NETWORK GATEWAY ECU: INSTALLATION+

25. INSTALL INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: INSTALLATION

26. INSTALL STEERING COLUMN ASSEMBLY

for Manual Tilt and Manual Telescopic Steering Column:

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; STEERING COLUMN: STEERING COLUMN ASSEMBLY (for Manual Tilt and Manual Telescopic Steering Column): INSTALLATION

for Power Tilt and Power Telescopic Steering Column:

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; STEERING COLUMN: STEERING COLUMN ASSEMBLY (for Power Tilt and Power Telescopic Steering Column): INSTALLATION

27. INSTALL TRANSMISSION FLOOR SHIFT ASSEMBLY

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; P710 (HYBRID TRANSMISSION / TRANSAXLE): SHIFT LEVER: INSTALLATION

28. INSTALL FRONT SEAT ASSEMBLY LH

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29. INSTALL FRONT SEAT ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

30. CONNECT AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY

(a) Remove the vinyl tape from the air conditioning tube and accessory assembly.

(b) Sufficiently apply compressor oil to a new O-ring and the fitting surface of the air conditioning tube and accessory assembly.

Compressor Oil:

ND-OIL 11 or equivalent

(c) Install the O-ring to the air conditioning tube and accessory assembly.

NOTICE:

Keep the O-ring and O-ring fitting surface free of foreign matter.

(d) Connect the air conditioning tube and accessory assembly.

31. CONNECT SUCTION PIPE SUB-ASSEMBLY

(a) Remove the vinyl tape from the suction pipe sub-assembly.

(b) Sufficiently apply compressor oil to a new O-ring and the fitting surface of the suction pipe sub-assembly.

Compressor Oil:

ND-OIL 11 or equivalent

(c) Install the O-ring to the suction pipe sub-assembly.

NOTICE:

Keep the O-ring and O-ring fitting surface free of foreign matter.

(d) Connect the suction pipe sub-assembly.

(e) Rotate the hook connector as shown in the illustration.

(f) Insert the tube joint into the fitting hole securely and install the bolt.

Torque:

9.8 N·m {100 kgf·cm, 87 in·lbf}

32. CONNECT INLET HEATER WATER HOSE

(a) Connect the inlet heater water hose with the marking facing up and engage the clip within the area shown in the illustration.

NOTICE:

Do not apply excessive force to the inlet heater water hose.

*a

View A

*b

Marking (White)

*c

Clip Installation Angle (270°)

33. CONNECT OUTLET HEATER WATER HOSE

(a) Connect the outlet heater water hose with the marking facing up and engage the clip within the area shown in the illustration.

NOTICE:

Do not apply excessive force to the outlet heater water hose.

*a

View A

*b

Marking (Green)

*c

Clip Installation Angle (270°)

34. INSTALL FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY

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35. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; WIPER / WASHER: FRONT WIPER MOTOR: INSTALLATION

36. ADD ENGINE COOLANT (for Engine)

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; MAINTENANCE: A25A-FXS COOLANT (for Engine): REPLACEMENT+

37. INSPECT FOR COOLANT LEAK (for Engine)

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; A25A-FXS (COOLING): COOLING SYSTEM: ON-VEHICLE INSPECTION+

38. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT

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39. WARM UP COMPRESSOR

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40. INSPECT FOR REFRIGERANT LEAK

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; HEATING / AIR CONDITIONING: REFRIGERANT: REPLACEMENT+