2003 TOYOTA AVENSIS Service Repair Manual

steering turn signal bulb checking oil fuse box location fuel fill door release service indicator

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Page 1305 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual 550YQ±01
I35277
Blower Assy
Air Duct No.2
Recirculation Damper Servo Sub±assy
Air FilterAir Filter Case
Blower w/ fan Motor Sub±assy
Manual A/C: Blower Resistor
Air Conditioning Wire No.1
Auto A/C:

Page 1306 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual 550YR±01
I36810Clamp
I36811Clamp
I35314
I35315
±
HEATER & AIR CONDITIONER BLOWER ASSY
55±65
AVENSIS REPAIR MANUAL (RM1018E)
OVERHAUL
HINT:
COMPONENTS: See page 55±64
1.REMOVE INSTRUMENT PANEL LO

Page 1307 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual I353162 Claws
I35318
I35319Clamp
I35320
55±66
±
HEATER & AIR CONDITIONER BLOWER ASSY
AVENSIS REPAIR MANUAL (RM1018E)
5. REMOVE AIR FILTER CASE
(a) Release the 2 claw fittings and remove the air fi

Page 1308 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual I35321
I35322
I35317
I36813
I35314
±
HEATER & AIR CONDITIONER BLOWER ASSY
55±67
AVENSIS REPAIR MANUAL (RM1018E)
11. REMOVE BLOWER MOTOR CONTROL (AUTO AIR
CONDITIONING)
(a) Remove the 2 screws and

Page 1309 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual I36811Clamp
I36810Clamp
55±68
±
HEATER & AIR CONDITIONER BLOWER ASSY
AVENSIS REPAIR MANUAL (RM1018E)
(e) RHD Auto A/C: Connect the connector and the clamp.
(f) Connect the connector and the clamp.

Page 1310 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual 550ZG±01
I12508
Connector BDTC Check Harness
Current Display Control Panel
Past Record
DTC Display
Memory Clear Button
DTC Calling Button DTC Calling ButtonºHeatingº
Symbol
In Nor

Page 1311 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual I35431
Burner Motor
Glow Plug
Surface Sensor
Temp. Control Sensor
Flame Sensor 13
Power
Heater
ECU
Connector B Terminal L
of Alternator
Battery
Metering Pump
Fuse (20 A)
Vehicle Side
SW
14
9
12
5
6
3

Page 1312 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual ±
HEATER & AIR CONDITIONER COMBUSTION TYPE POWER HEATER SYSTEM
55±17
AVENSIS REPAIR MANUAL (RM1018E)
5. DIAGNOSTIC TROUBLE CODE CHART
If a malfunction code is displayed during the DTC check, check

±
HEATER & AIR CONDITIONER COMBUSTION TYPE POWER HEATER SYSTEM
55±17
AVENSIS REPAIR MANUAL (RM1018E)
5. DIAGNOSTIC TROUBLE CODE CHART
If a malfunction code is displayed during the DTC check, check the circuit\
listed for the code in the table below
and proceed to the appropriate page.
DTC No.Description of faultComment / Remedy
000No malfunction±
010
011Overvoltage shutoff
Undervoltage shutoffVoltage between 1 and 5 at connector A > 16 V
Voltage between 1 and 5 at connector A < 10.2 V
(Voltage values must be present > 20 seconds)
Check battery, regulator and electrical leads.
012Overheating
Check temperature at temperature or overheating sensor >
125 C
Check water circuit.
014Possible overheating detected
(Hardware threshold value)
Difference of measured values at temperature sensor > 15 C
(min. 70 C water temperature and metering pump in opera-
tion);
Check temperature sensor and overheating sensor, replace if
necessary.
017Overheating detected
(Hardware threshold value)
Temperature at temperature or overheating sensor > 130 C,
emergency OFF if DTC No. 012 or 014s not applicable;
Check water circuit, temperature sensor and overheating sen-
sor, replace if necessary.
020Glow plug breakCheck glow plug, replace if necessary.
021Glow plug output overloadCheck glow plug, replace if necessary.
030Combustion air blower motor
EMF outside perm. range.Blower impeller or burner motor fammed (frozen solid, dirty,
etc.)
Remedy jam, replace burner motor if necessary.
031Combustion air blower motor breakCheck the lead to combustion air motor (burner motor) for
continuity, replace if necessary.
032Combustion air blower motor short±circuit
Check combustion air blower motor (burner motor), replace if
necessary.
Check supply lead (chafed, etc.).
047Metering pump short±circuitCheck the supply lead to metering pump for short±circuit,
check metering pump, replace if necessary.
048Metering pump breakCheck the supply lead to metering pump for continuity, remedy
break, replace metering pump if necessary.
051Cold blow time exceeded
At start, if flame sensor above 70 C, > 240 sec.;
Check exhaust gas combustion air supply, check flame sen-
sor, replace if necessary.
052Safety time exceeded
When all perm. start attempts used up;
Check the fuel delivery and fuel supply.
Check exhaust gas and combustion air ducts.
054Flame cutout, High settingCheck the fuel delivery and fuel supply.
Check exhaust gas combustion air ducts.
056Flame cutout, LOW setting
Check exhaust gas combustion air ducts.
If combustion OK Check the flame sensor, replace if neces-
sary.
060Temperature control sensor break
Check connecting leads.
Resistance value between 2 and 10 connector B > 2 M (if
break)
061Temperature control sensor short±circuit
Check connecting leads.
Resistance value between 2 and 10 at connector B < 2 M (If
short± circuit)
064Flame sensor break
Check connecting leads.
Resistance value between 7 and 14 at connector B > 3,040
(If break)
065Flame sensor short±circuit
Check connecting leads.
Resistance value between 7 and 14 at connector B > 780 (If
short±circuit)
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