Toyota Yaris: Air Conditioning Unit / Disassembly

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

DISASSEMBLY

PROCEDURE

1. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY

(a) Disengage the claws and guides to remove the lower defroster nozzle assembly.

2. REMOVE COOLER PIPE GROMMET

(a) Remove the cooler pipe grommet.

3. REMOVE COOLER EXPANSION VALVE

(a) Using a 4 mm hexagon socket wrench, remove the 2 hexagon bolts and cooler expansion valve.

(b) Remove the 2 O-rings from the No. 1 cooler evaporator sub-assembly.

4. REMOVE ASPIRATOR

(a) Disengage the claws and guide to remove the aspirator.

5. REMOVE NO. 2 AIR DUCT

(a) Remove the screw.

(b) Disengage the claws to remove the No. 2 air duct.

6. REMOVE COVER

(a) Disengage the claws to remove the cover.

7. REMOVE DRAIN COOLER HOSE

(a) Remove the drain cooler hose.

8. REMOVE AIR CONDITIONING HARNESS ASSEMBLY

(a) Disconnect the 3 connectors.

(b) Disengage guides to remove the air conditioning harness assembly.

9. REMOVE AIR CONDITIONING AMPLIFIER ASSEMBLY

(a) Remove the 2 screws.

(b) Disengage the guide to remove the air conditioning amplifier assembly.

10. REMOVE BLOWER ASSEMBLY

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11. REMOVE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY

(a) Remove the 3 screws and No. 1 air conditioning radiator damper servo sub-assembly.

12. REMOVE HEATER COVER

(a) Remove the screw and heater cover.

13. REMOVE HEATER CLAMP

(a) Disengage the claws to remove the heater clamp.

14. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY

(a) Remove the heater radiator unit sub-assembly as shown in the illustration.

15. REMOVE NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY

(a) Disengage the clamp and guides.

*a	Clamp
*b	Guide

(b) Remove the 2 screws.

(d) Remove the No. 1 cooler evaporator sub-assembly with No. 1 cooler thermistor from the upper heater case.

16. REMOVE NO. 1 COOLER THERMISTOR

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17. REMOVE AIR DUCT ASSEMBLY

(a) Remove the 3 retainers.

(b) Separate the front panel silencer as shown in the illustration.

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...

Reassembly

REASSEMBLY PROCEDURE 1. INSTALL AIR DUCT ASSEMBLY (a) Install the air duct assembly with the 2 nuts. (b) Install the front panel silencer as shown in the illustration...

Other information:

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Inspection

INSPECTION PROCEDURE 1. INSPECT STEERING WHEEL SWITCH HOUSING (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Steering Wheel Switch Housing) - - Standard Resistance: Light Switch Circuit Tester Connection Condition Specified Condition z6-3 (T) - z4-3 (T) Always Below 1 Ω z6-12 (H) - z4-4 (H) Always Below 1 Ω z6-7 (A) - z4-5 (A) Always Below 1 Ω z6-16 (HU) - z4-6 (HU) Always Below 1 Ω z6-11 (HF) - z4-7 (HF) Always Below 1 Ω z6-8 (TR) - z4-8 (TR) Always Below 1 Ω z6-14 (TL) - z4-9 (TL) Always Below 1 Ω z6-6 (CR) - z4-10 (CR) Always Below 1 Ω z6-13 (BFG) - z4-11 (BFG) Always Below 1 Ω z6-4 (B) - z4-12 (B) Always Below 1 Ω z6-5 (EL) - z4-13 (EL) Always Below 1 Ω Wiper Switch Circuit Tester Connection Condition Specified Condition z5-10 (W_OFF) - z4-24 (W_OFF) Always Below 1 Ω z5-13 (+S) - z4-25 (+S) Always Below 1 Ω z5-11 (+1) - z4-26 (+1) Always Below 1 Ω z5-12 (+2) - z4-27 (+2) Always Below 1 Ω z5-14 (MIST) - z4-28 (MIST) Always Below 1 Ω z5-15 (WF) - z4-31 (WF) Always Below 1 Ω z5-5 (E) - z4-33 (E) Always Below 1 Ω z5-4 (VR) - z4-34 (VR) Always Below 1 Ω If the result is not as specified, replace the steering wheel switch housing...

Toyota Yaris XP210 (2020-2024) Owner's Manual: Rear Window Defogger

The rear window defogger clears fog from the rear window. The ignition must be switched ON to use the defogger. Press the switch to turn on the rear window defogger. The rear window defogger operates for about 15 minutes and then turns off automatically...