The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during air conditioning unit removal/installation are shown below.
Be sure to read Precaution thoroughly before servicing.
except NR Series Engine:
for NR Series Engine:
After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
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.
| Effect/Inoperative Function When Necessary Procedures are not Performed | Necessary Procedures | Link |
|---|---|---|
| Front Camera System | Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more. | ( 202304,999999,_95,_139716,_0584193,RM1000000029F4C,)
|
1. PRECAUTION
Make sure to select face mode before disconnecting the cable from the negative (-) auxiliary battery terminal.
2.RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
3.REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
55737B
4.REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL (w/ No. 1 Heater Air Duct Splash Shield Seal)
55701J
5.REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY
87246
6.DISCONNECT OUTLET HEATER WATER HOSE (for 8ZR-FXE)
Using pliers, grip the claws of the clip and slide the clip to disconnect the outlet heater water hose.
Do not apply excessive force to the outlet heater water hose.
Prepare a drain pan or cloth in case the coolant leaks.
87245
7.DISCONNECT INLET HEATER WATER HOSE (for 8ZR-FXE)
Using pliers, grip the claws of the clip and slide the clip to disconnect the inlet heater water hose.
Do not apply excessive force to the inlet heater water hose.
Prepare a drain pan or cloth in case the coolant leaks.
87209
8.DISCONNECT WATER HOSE SUB-ASSEMBLY (except 8ZR-FXE)
Using pliers, grip the claws of the hose clips and slide the hose clips and disconnect the water hose sub-assembly.
Do not apply excessive force to the water hose sub-assembly.
Prepare a drain pan or cloth in case the coolant leaks.
88707
9.DISCONNECT SUCTION PIPE SUB-ASSEMBLY (for 8ZR-FXE)
Remove the bolt and rotate the hook connector as shown in the illustration.
Disconnect the suction pipe sub-assembly.
Remove the O-ring from the suction pipe sub-assembly.
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
88716A
10.DISCONNECT COOLER REFRIGERANT LIQUID PIPE A (for 8ZR-FXE)
Disconnect the cooler refrigerant liquid pipe A.
Remove the O-ring from the cooler refrigerant liquid pipe A.
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
88707B
11.DISCONNECT SUCTION TUBE SUB-ASSEMBLY B (except 8ZR-FXE)
Remove the bolt and rotate the hook connector as shown in the illustration.
Disconnect the suction tube sub-assembly B.
Remove the O-ring from the suction tube sub-assembly B.
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
88710E
12.DISCONNECT AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY (except 8ZR-FXE)
Disconnect the air conditioning tube and accessory assembly.
Remove the O-ring from the air conditioning tube and accessory assembly.
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
13.REMOVE FRONT SEAT ASSEMBLY LH
14.REMOVE FRONT SEAT ASSEMBLY RH
Use the same procedure as for the LH side.
15.REMOVE STEERING COLUMN ASSEMBLY
16.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY
89340A
17.REMOVE CLEARANCE WARNING ECU ASSEMBLY (w/ TOYOTA Parking Assist-sensor System)
82877
18.REMOVE ECU INTEGRATION BOX RH
88625Q
19.REMOVE COOLER (ROOM TEMP. SENSOR) THERMISTOR
Disconnect the connector and aspirator to remove the cooler (room temp. sensor) thermistor.
77306
20.REMOVE FUEL LID LOCK OPEN LEVER SUB-ASSEMBLY
58569D
21.REMOVE FRONT FLOOR CAUTION PLATE COVER
|
Place Hand Here |
|
Remove in this Direction (1) |
|
Remove in this Direction (2) |
Lift the front floor caution plate cover as shown by the arrow (1) to disengage the claw, and then pull the front floor caution plate cover as shown by the arrow (2) in the illustration to disengage the guide and remove it.
58510D
22.DISCONNECT FRONT FLOOR CARPET ASSEMBLY
for LH Side:
Remove the front floor carpet clip.
Remove the 2 front floor carpet clips.
Disengage the 2 guides and turn back the front floor carpet assembly as shown in the illustration.
for RH Side:
Remove the front floor carpet clip.
Remove the 2 front floor carpet clips.
Disengage the 2 guides and turn back the front floor carpet assembly as shown in the illustration.
87212H
23.REMOVE REAR NO. 4 AIR DUCT
|
Remove in this Direction |
Disengage the 2 claws and remove the rear No. 4 air duct as shown in the illustration.
87212G
24.REMOVE REAR NO. 3 AIR DUCT
|
Remove in this Direction |
Disengage the 2 claws and remove the rear No. 3 air duct as shown in the illustration.
87212K
25.REMOVE REAR NO. 6 AIR DUCT
|
Remove in this Direction |
Disengage the 2 claws and remove the rear No. 6 air duct as shown in the illustration.
87212J
26.REMOVE REAR NO. 5 AIR DUCT
|
Remove in this Direction |
Disengage the 2 claws and remove the rear No. 5 air duct as shown in the illustration.
87212F
27.REMOVE REAR NO. 2 AIR DUCT
|
Remove in this Direction |
Disengage the 4 claws and remove the rear No. 2 air duct as shown in the illustration.
58862B
28.REMOVE NO. 2 CONSOLE BOX DUCT (w/ Rear Air Duct)
|
Remove in this Direction (1) |
|
Remove in this Direction (2) |
Remove the clip.
Remove the No. 2 console box duct as shown in the illustration.
58861B
29.REMOVE NO. 1 CONSOLE BOX DUCT (w/ Rear Air Duct)
Disengage the 2 claws and remove the No. 1 console box duct.
55215D
30.REMOVE NO. 3 DASH PANEL INSULATOR PAD
| *a | Cut |
Cut each claw of the 2 clips and remove the No. 3 dash panel insulator pad.
If the No. 3 dash panel insulator pad is damaged, replace it with a new one.
Remove the 2 clips.
55086A
31.REMOVE CENTER HEATER TO REGISTER DUCT SUB-ASSEMBLY
w/o Navigation System:
Disengage the clamp.
Remove the 2 clips and center heater to register duct sub-assembly.
w/ Navigation System:
Remove the 3 clips and center heater to register duct sub-assembly.
55990B
32.REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY
Disengage the 6 claws and guide to remove the lower defroster nozzle assembly.
55308B
33.REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY
Type A:
|
Bolt |
|
Nut |
Remove the bolt, nut and No. 3 instrument panel to cowl brace sub-assembly.
Type B:
|
Bolt |
|
Nut |
Remove the bolt, nut and No. 3 instrument panel to cowl brace sub-assembly.
34.REMOVE DRIVER SIDE JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU (for NR Series Engine)
35.REMOVE POWER DISTRIBUTION BOX ASSEMBLY WITH MAIN BODY ECU (except NR Series Engine)
36.DISCONNECT INSTRUMENT PANEL WIRE (for COROLLA, LEVIN)
Remove the 2 nuts and disconnect the relay block holder.
Remove the bolt and disconnect the instrument panel wire.
Disconnect the connector.
| *a | Earth Wire | - | - |
|
Connector |
|
Bolt |
|
Screw | - | - |
Remove the 3 bolts and disconnect the 3 earth wires.
Remove the screw and disconnect the instrument panel wire.
Disengage each clamp.
|
Release (1) |
|
Move in this Direction (2) |
Push down the part (A) in the direction indicated by the arrow (1), to release the lock, and then move the lock lever in the direction indicated by the arrow (2) shown in the illustration to disconnect the connector.
When disconnecting any airbag connector, take care not to damage the airbag wire harness.
Disengage each clamp to separate the instrument panel wire.
37.DISCONNECT INSTRUMENT PANEL WIRE (for ALLION)
55306A
38.REMOVE NO. 1 INSTRUMENT PANEL BRACE SUB-ASSEMBLY
|
Move in this Direction |
Turn back the front floor mat as shown in the illustration.
| *a | Earth Wire |
Remove the bolt and disconnect the earth wire.
Disengage each clamp.
|
Bolt |
|
Screw |
|
Nut |
Remove the bolt, screw, nut and No. 1 instrument panel brace sub-assembly.
55307C
39.REMOVE NO. 2 INSTRUMENT PANEL BRACE SUB-ASSEMBLY
|
Move in this Direction |
Turn back the front floor mat as shown in the illustration.
Disengage each clamp.
|
Bolt |
|
Screw |
|
Nut |
Remove the bolt, screw, nut and No. 2 instrument panel brace sub-assembly.
40.REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONER UNIT ASSEMBLY
Be sure to support the air conditioner unit assembly when removing it. Failure to do so may cause the bracket of the air conditioner unit assembly to break.
When disassembling the air conditioner unit assembly, eliminate static electricity by touching the vehicle body to prevent the components from being damaged.
Turn back the front floor mat as shown in the illustration.
| *1 | Cooler Unit Drain Hose Grommet |
Disconnect the drain cooler hose.
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.
Remove the cooler unit drain hose grommet.
Remove the 2 bolts.
Remove the 4 bolts (A).
|
Bolt (A) |
|
Bolt (B) |
|
Nut | - | - |
Remove the bolt (B).
Remove the nut.
Disengage each clamp.
|
Remove in this Direction | - | - |
Disconnect each connector.
Remove the instrument panel reinforcement assembly with air conditioner unit assembly as shown in the illustration.
41.REMOVE AIR CONDITIONER UNIT ASSEMBLY
Remove the 3 bolts and the air conditioner unit assembly from the instrument panel reinforcement assembly.