Toyota Yaris: Air Conditioning Unit / Removal

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Vehicle Interior / Heating / Air Conditioning / Air Conditioning Unit / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the air conditioner unit assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedures

Effects/Inoperative when not performed

Link

No. 1 air conditioning radiator damper servo sub-assembly

Initialize servo motor (Air Conditioning System)

DTCs are stored

Air conditioning amplifier assembly
  1. Reset air conditioning information
  2. Learning of air conditioning information

Engine start function

Initialize servo motor (Air Conditioning System)

DTCs are stored

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

  • Learning completes when vehicle is driven

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Lane tracing assist system

    Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.

    Pre-collision system

    Stop and start system

    Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)

  • Learning completes when vehicle is operated normally

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Power door lock control system

    • Back door opener

    Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

    Air conditioning system

    After the ignition switch is turned to ON, the servo motor standard position is recognized.

    -

PROCEDURE

1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

Click here

2. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY

Click here

3. DRAIN ENGINE COOLANT

Click here

4. REMOVE WINDSHIELD WIPER MOTOR AND LINK

Click here

5. REMOVE WATER GUARD PLATE RH

(a) Disengage the claws to remove the water guard plate RH.

6. REMOVE NO. 1 FRONT VENTILATOR SEAL

(a) Disengage the claws to remove the No. 1 front ventilator seal.

7. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

(a) Disengage the clamp.

(b) Remove the 11 bolts and outer cowl top panel sub-assembly.

8. REMOVE DASH PANEL HEAT INSULATOR

Click here

9. DISCONNECT AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY

(a) Remove the bolt.

(b) Rotate the hook connector to disconnect the No. 2 air conditioning tube and accessory assembly as shown in the illustration.

*a

Hook Connector

(c) Remove the 2 O-rings from the No. 2 air conditioning tube and accessory assembly.

NOTICE:

Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

10. DISCONNECT OUTLET HEATER WATER HOSE

(a) Slide the hose clip to disconnect the outlet heater water hose.

NOTICE:

  • To prevent contamination by foreign matter or water droplets, protect the connecting portions of the outlet heater water hose and air conditioner radiator assembly with plastic bags.
  • Do not apply excessive force to the outlet heater water hose.
  • Prepare a drain pan or cloth in case the coolant leaks.

11. DISCONNECT INLET HEATER WATER HOSE

(a) Slide the hose clip to disconnect the inlet heater water hose.

NOTICE:

  • To prevent contamination by foreign matter or water droplets, protect the connecting portions of the inlet heater water hose and air conditioner radiator assembly with plastic bags.
  • Do not apply excessive force to the inlet heater water hose.
  • Prepare a drain pan or cloth in case the coolant leaks.

12. REMOVE INSTRUMENT PANEL ASSEMBLY

Click here

13. REMOVE NO. 1 AIR DUCT

(a) Disengage the clamps.

(b) Remove the 2 bolts.

(c) Disengage the claws to remove the No. 1 air duct.

14. REMOVE STEERING COLUMN ASSEMBLY

Click here

15. REMOVE CENTER HEATER TO REGISTER DUCT SUB-ASSEMBLY

(a) Remove the clip.

(b) Disengage the clamp to remove the center heater to register duct sub-assembly.

16. REMOVE NO. 1 HEATER TO REGISTER DUCT SUB-ASSEMBLY

(a) Remove the clip.

(b) Disengage the clamp to remove the No. 1 heater to register duct sub-assembly.

17. REMOVE NO. 2 HEATER TO REGISTER DUCT SUB-ASSEMBLY

(a) Remove the clip.

(b) Disengage the clamps to remove the No. 2 heater to register duct sub-assembly.

18. REMOVE FRONT SEAT ASSEMBLY LH

Click here

19. REMOVE FRONT SEAT ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

20. SEPARATE FRONT FLOOR CARPET ASSEMBLY

(a) Remove the 2 clips to turn back the front floor carpet assembly as shown in the illustration.

21. REMOVE NO. 4 DASH PANEL INSULATOR PAD

(a) Cut each claw of the 2 clips and remove the No. 4 dash panel insulator pad.

*a

Cut

-

-

NOTICE:

If the No. 4 dash panel insulator pad is damaged, replace it with a new one.

(b) Remove the 2 clips.

22. DISCONNECT DRAIN COOLER HOSE

(a) Disconnect the drain cooler hose.

23. REMOVE COOLER UNIT DRAIN HOSE GROMMET

(a) Remove the cooler unit drain hose grommet.

NOTICE:

If the drain cooler hose is disconnected from the cooler unit drain hose grommet, make sure to replace the cooler unit drain hose grommet with a new one. Failure to do so may lead to water ingress.

24. REMOVE METER MIRROR SUB-ASSEMBLY (w/ Headup Display)

Click here

25. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY

Click here

26. REMOVE POWER DISTRIBUTION BOX ASSEMBLY WITH MULTIPLEX NETWORK BODY ECU

Click here

27. REMOVE NO. 1 INSTRUMENT PANEL BRACE SUB-ASSEMBLY

(a) Remove the bolt to disconnect the instrument panel wire.

(b) Disengage the clamps to disconnect the instrument panel wire.

(c) Remove the bolt, screw, nut and No.1 instrument panel brace sub-assembly.

28. SEPARATE INSTRUMENT PANEL WIRE

(a) Disengage the clamps.

(b) Remove the 2 nuts and bolt to separate the ECU integration box RH.

(c) Disconnect the connector.

(d) Disengage the clamp.

(e) Disconnect each connector.

*a

Guide

*b

Clamp

(f) Remove the 4 ground wire bolts.

(g) Disengage the guides to disconnect the 4 ground wires.

(h) Disengage the clamps to separate the instrument panel wire.

29. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONER UNIT ASSEMBLY

(a) Remove the nut and 6 bolts.

*a

Guide

*b

Clamp

Remove in this Direction

-

-

(b) Disengage the guides to separate the instrument panel reinforcement assembly with air conditioner unit assembly as shown in the illustration.

(c) Disengage the clamps.

(d) Disconnect the connector to remove the instrument panel reinforcement assembly with air conditioner unit assembly.

30. REMOVE AIR CONDITIONER UNIT ASSEMBLY

(a) Remove the 3 bolts and air conditioner unit assembly.

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