Page 1289 of 2234
I35287
Auto A/C:
I35283
Manual A/C:
I35284
I35285
±
HEATER & AIR CONDITIONER AIR CONDITIONING CONTROL ASSY
55±51
AVENSIS REPAIR MANUAL (RM1018E)
(d) Disconnect the cooler wire No.1 as shown in the illustra-
tion.
9. REMOVE HEATER CONTROL KNOB NO.3 (MANUAL AIR CONDITIONING)
10. REMOVE CONTROL KNOB SUB±ASSY (AUTO AIR CONDITIONING)
11. REMOVE HEATER CONTROL KNOB (MANUAL AIR CONDITIONING)
12. REMOVE HEATER CONTROL KNOB NO.2 (MANUAL AIR CONDITIONING) 13. REMOVE HEATER CONTROL HOUSING (MANUALAIR CONDITIONING)
(a) Release the 4 claw fittings and remove the 4 screws and the heater control housing.
14. REMOVE HEATER CONTROL LENS ASSY (MANUAL AIR CONDITIONING)
15. REMOVE HEATER CONTROL LENS ASSY (MANUAL AIR CONDITIONING)
16. REMOVE HEATER CONTROL LENS ASSY (MANUAL AIR CONDITIONING) 17. REMOVE AIR CONDITIONING CONTROL BULB(MANUAL AIR CONDITIONING)
(a) Remove the 4 air conditioning control bulbs.
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\b\bI35833
Manual A/C:
Auto A/C:
\b\bI35834
Manual A/C:
Auto A/C:
55±52
±
HEATER & AIR CONDITIONER AIR CONDITIONING CONTROL ASSY
AVENSIS REPAIR MANUAL (RM1018E)
18. REMOVE HEATER CONTROL HOUSING SUB±ASSY (MANUAL AIR CONDITIONING) 19. REMOVE HEATER CONTROL HOUSING
(a) Remove the 4 screws and the heater control housing.
20. REMOVE COOLER WIRE NO.1
(a) Remove the cooler wire No.1 as shown in the illustration.
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550YV±01
I35275
Nm (kgf cm, ftlbf) : Specified torque
9.8 (100, 87 in. lbf)
9.8 (100, 87 in. lbf)
Defroster Nozzle Assy
Heater To Register Duct No.1 Blower Assy
Air Conditioning Radiator Assy Instrument Panel Brace Sub±assy No.1 Air Duct Rear No.3Air Duct Rear No.4
9.8 (100, 87 in.
lbf)
±
HEATER & AIR CONDITIONER AIR CONDITIONING RADIATOR ASSY
55±53
AVENSIS REPAIR MANUAL (RM1018E)
AIR CONDITIONING RADIATOR ASSY
COMPONENTS
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Page 1292 of 2234
I35276
Nm (kgf cm, ftlbf) : Specified torque
Non±reusable part
Compressor oil ND±OIL 8 or equivalent Cooler Thermistor No.1
Auto A/C: Airmix No.2 Damper
Servo Sub±assy
Heater Piping Cover Mode Damper Servo
Sub±assy
Airmix Damper Servo Sub±assy
w/o Hot gas heater: Cooler Expansion Valve
Cooler Evaporator
Sub±assy No.1
Cooler Unit Drain Hose No.1
Air Conditioning
Tube Assy
Heater Radiator Unit Sub±assy Air Duct No.1
Air Duct No.2
w/o Hot gas heater:Air Conditioning
Tube Assy
w/ Hot gas heater:
O±ring
O±ring
3.5 (35, 30 in. lbf)
Cooler Air Hose
RHD Auto A/C:
Air Conditioning
Wire No.1
55±54
±
HEATER & AIR CONDITIONER AIR CONDITIONING RADIATOR ASSY
AVENSIS REPAIR MANUAL (RM1018E)
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Page 1293 of 2234

5507E±03
AC2810
AC2811
N11084
Wrong Okay
HI
LO
HILO
±
HEATER & AIR CONDITIONER AIR CONDITIONING SYSTEM
55±1
AVENSIS REPAIR MANUAL (RM1018E)
AIR CONDITIONING SYSTEM
PRECAUTION
1. DO NOT HANDLE REFRIGERANT IN AN ENCLOSED
AREA OR NEAR AN OPEN FLAME
2. ALWAYS WEAR EYE PROTECTION
3. BE CAREFUL NOT TO GET LIQUID REFRIGERANT IN YOUR EYES OR ON YOUR SKIN
If liquid refrigerant gets in your eyes or on your skin.
(a) Wash the area with lots of cold water.
CAUTION:
Do not rub your eyes or skin.
(b) Apply clean petroleum jelly to the skin.
(c) Go immediately to a hospital or see a physician for profes- sional treatment.
4. NEVER HEAT CONTAINER OR EXPOSE IT TO NAKED
FLAME
5. BE CAREFUL NOT TO DROP CONTAINER AND NOT TO APPLY PHYSICAL SHOCKS TO IT
6. DO NOT OPERATE COMPRESSOR WITHOUT ENOUGH REFRIGERANT IN REFRIGERANT SYSTEM
If there is not enough refrigerant in the refrigerant system, oil lu-
brication will be insufficient and compressor may burnout may
occur, so take care to avoid this, necessary care should be tak-
en.
7. DO NOT OPEN HIGH PRESSURE MANIFOLD VALVE WHILE COMPRESSOR IS OPERATING
Open and close the only low pressure valve. If the high pressure
valves are opened, refrigerant flows in the reverse direction and
cause the charging cylinder to rupture.
8. BE CAREFUL NOT TO OVERCHARGE SYSTEM WITH REFRIGERANT
If refrigerant is overcharged, it causes problems such as insuffi-
cient cooling, poor fuel economy, engine overheating, etc.
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Page 1294 of 2234
55±2
±
HEATER & AIR CONDITIONER AIR CONDITIONING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
9. DO NOT OPERATE ENGINE AND COMPRESSOR WITH NO REFRIGERANT IS FILLED
CAUTION:
This may damage the inside of the compressor because
the compressor parts always moves regardless of whether
the A/C system is turned on or off.
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550ZC±01
I35425
Dry Cell BatteryMPa
3.19
0.1 0.5 1.0 4.8 4.9 (V) (+) (±) 1
2
3
0.39
0
I35437
Wire Harness Side:
Connector ºBº Connector ºAº
±
HEATER & AIR CONDITIONER AIR CONDITIONING SYSTEM
55±3
AVENSIS REPAIR MANUAL (RM1018E)
ON±VEHICLE INSPECTION
1. INSPECT AIR CONDITIONER PRESSURE SENSOR
(a) Disconnect the pressure SW connector.
(b)Install the manifold gauge set (See page 55±38).
(c) Connect the positive (+) lead from the three 1.5 V dry cell
batteries to terminal 3 and negative (±) lead to terminal 1.
(d) Check the voltage between terminals 2 and 1 of pressure sensor.
Standard:
The voltage varies with on the refrigerant pressure as
shown in the chart.
2. INSPECT AIR CONDITIONING CONTROL ASSY
(a) Disconnect the connector from air conditioning control assy and inspect the connec\
tor on wire harness side, as shown in the table.
Symbols
(Terminal No.)ConditionSpecified condition
IG (B1) ± GND (B40)Ignition switch: LOCK ON0 10 to 14 V
+B (B2) ± GND (B40)Always10 to 14 V
GND (B40) ± Body groundAlwaysContinuity
If circuit is not as specified, try replacing the air conditioning control\
assy with a new one. If the circuit is not
as specified, inspect the circuits connected to the other parts.
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I36091
From Back Side:Connector ºBº Connector ºAº
55±4
±
HEATER & AIR CONDITIONER AIR CONDITIONING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
(b) Connect the connector to air conditioning control assy and inspect wire harness side connector from the back side, as shown in the table.
Symbols
(Terminal No.)ConditionSpecified condition
HI (A4)± GND (A1)Ignition switch ON
Turn blower dial: OFF HINo continuity Continuity
M2 (A5) ± GND (A1)Ignition switch: ON
Turn blower dial: OFF M2No continuity Continuity
M1 (A6) ± GND (A1)Ignition switch: ON
Turn blower dial: OFF M1No continuity Continuity
GND (A1) ± Body groundIgnition switch: ON
Turn blower dial: OFF LONo continuity Continuity
RDEFIN (B4) ±
GND (B40) (*1)
Ignition switch : ON
Rear DEF switch: ON10 to 14 V
S5±2 (B5) ± GND (B40)Ignition switch: ON5.0 V
S5±3 (B6) ± GND (B40)Ignition switch: ON5.0 V
S5 (B7) ± GND (B40)Ignition switch: ON5.0 V
MPX+ (B9) ± GND (B40)Communication circuit±
FRS (B10) ± GND (B40)Ignition switch: ON
R/F switch: RECIRCURATION FRESH10 to 14 0 V
REC (B11) ± GND (B40)Ignition switch: ON
R/F switch: FRESH RECIRCURATION10 to 14 0 V
AOD (B12) ± GND (B40)Ignition switch: ON
Mode control dial: DEF10 to 14 V
AOF (B13) ± GND (B40)Ignition switch: ON
Mode control dial: FACE10 to 14 V
MGV (B14) ±
GND (B40) (*2)
Start engine
Hot gas heater: Operate10 to 14 0 V
AMH (B15) ± GND (B40)Ignition switch: ON
Temperature control dial: MAX HOT10 to 14 V
AMC (B16) ± GND (B40)Ignition switch: ON
Temperature control dial: MAX COOL10 to 14 V
SOL+ (B17) ± GND (B40)Start engine
Compressor: OperatePulse generation
ILL+ (B21) ±
GND (B40)
Ignition switch: ON
Turn light control switch: OFF ON0 10 to 14 V
HOTGASIN (B22) ±
GND (B40) (*2)
Ignition switch: ON
Heater switch: ON10 to 14 V
CFAN (B23) ± GND (B40)Start engine
Condenser fan: operate10 to 14 0 V
RPTC1 (B28) ± GND (B40)PTC heater: OperateAbove 7.5 V
MPX± (B29) ± GND (B40)Communication circuit±
TE (B31) ± GND (B40)Evaporator temperature: 0 C (32F) 15C (59 F)2.0 to 2.4 1.4 to 1.8 V
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