TOYOTA AVENSIS 2002 Repair Manual

Page 131 of 1690

69064±02
B67409
Low Pitched HornHORN Relay
High Pitched Horn
Engine Room R/B No. 2Engine Room R/B
 HORN Fuse
± COMMUNICATION SYSTEMHORN SYSTEM
69±1
AVENSIS REPAIR MANUAL (RM1018E)
HORN SYSTEM
LOCATION

Page 132 of 1690

69065±02
69±2
±
COMMUNICATION SYSTEM HORN SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
PROBLEM SYMPTOMS TABLE
SymptomSuspected AreaSee Page
Horn does not sound
1. Horn button switch
2. High pitched horn
3. Low pitched horn
4. HORN fuse
5. HORN relay
6. Wire harness±
69±3
69±3
69±3 ±

Page 133 of 1690

69066±02
B67416
B67417
B68374
21
5
3
± COMMUNICATION SYSTEMHORN SYSTEM
69±3
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION
1. INSPECT LOW PITCHED HORN ASSY
(a) Check operation of the horn.
Standard:
Measurement ConditionSpecified Condition
Battery positive (+) Terminal 1
Battery positive (±) Horn bodyHorn sounds
If the result is not as specified, replace the horn assy.
2. INSPECT HIGH PITCHED HORN ASSY
(a) Check operation of the horn.
Standard:
Measurement ConditionSpecified Condition
Battery positive (+) Terminal 1
Battery positive (±) Horn bodyHorn sounds
If the result is not as specified, replace the horn assy.
3. INSPECT HORN RELAY ASSY
(a) Remove the HORN relay from the engine room R/B No.
2.
(b) Check the horn relay resistance.
Standard:
Tester ConnectionSpecified Condition
10 k or higher
3 ± 5Below 1 
(When battery voltage is applied to terminals 1 and 2)
If the result is not as specified, replace the relay assy.

Page 134 of 1690

69068±02
B67411
69±4
± COMMUNICATION SYSTEMLOW PITCHED HORN ASSY
AVENSIS REPAIR MANUAL (RM1018E)
LOW PITCHED HORN ASSY
REPLACEMENT
1. REMOVE LOW PITCHED HORN ASSY
(a) Disconnect the connector.
(b) Remove the bolt and horn.
2. INSTALL LOW PITCHED HORN ASSY
(a) Place the stay onto the baffle part in the radiator support
upper, and then install the horn with the bolt.
Torque: 20 Nm (204 kgfcm, 15 ftlbf)
(b) Connect the connector.

Page 135 of 1690

1600R±13
± COOLINGCOOLING FAN SYSTEM (1AZ±FE)
16±17
AVENSIS REPAIR MANUAL (RM1018E)
COOLING FAN SYSTEM (1AZ±FE)
ON±VEHICLE INSPECTION
HINT:
It is normal that the cooling fan sometime rotates when the ignition switch is turned from ACC to ON.
1. CHECK COOLING FAN OPERATION WITH LOW TEMPERATURE (Below 77C (171F))
(a) Turn the ignition switch ON.
(b) Check that the cooling fan stops.
If not, check the cooling fan relay and engine coolant temperature sensor, and check for disconnection of
connectors or wire break between the cooling fan relay and engine coolant temperature sensor.
(c) Disconnect the engine coolant temperature sensor connector.
(d) Check that the cooling fan rotates.
If not, check the fuses, cooling fan relay, ECM and cooling fan, and check for a short circuit between the
cooling fan relay and engine coolant temperature sensor.
(e) Reconnect the engine coolant temperature sensor connector.
2. CHECK COOLING FAN OPERATION WITH HIGH TEMPERATURE (Above 95.5C (204F))
(a) Start the engine, and raise coolant temperature to above 95.5C (204F).
HINT:
Coolant temperature is the detected value by the engine coolant temperature sensor on the water outlet.
(b) Check that the cooling fan rotates.
If not, replace the engine coolant temperature sensor.
3. INSPECT COOLING FAN
(a) Disconnect the cooling fan connector.
(b) Connect battery and ammeter to the cooling fan connector.
(c) Check that the cooling fan rotates smoothly, and check the reading on the ammeter.
Standard amperage:
5.2 to 8.2 A at 20C (68F) (M/T)
8.3 to 11.3 A at 20C (68F) (A/T)
(d) Reconnect the cooling fan connector.
4. INSPECT COOLING FAN No.2 (With Air Conditioner)
(a) Disconnect the cooling fan connector.
(b) Connect battery and ammeter to the cooling fan connector.
(c) Check that the cooling fan rotates smoothly, and check the reading on the ammeter.
Standard amperage:
5.2 to 8.2 A at 20C (68F) (M/T)
8.3 to 11.3 A at 20C (68F) (A/T)
(d) Reconnect the cooling fan connector.

Page 136 of 1690

160N3±01
E34090
A30519
E34090
16±18
± COOLINGCOOLING FAN SYSTEM (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION
1. INSPECT COOLING FAN RELAY
(a) Continuity inspection.
(1) Using an ohmmeter, check for continuity between
each terminal.
Specified condition:
Terminal No.Specified condition
1 ± 2Continuity
No continuity
3 ± 5Continuity
(Apply battery voltage terminals 1 and 2)
2. INSPECT COOLING FAN RELAY NO.2
(a) Continuity inspection.
(1) Using an ohmmeter, check for continuity between
each terminal.
Specified condition:
Terminal No.Specified condition
1 ± 2
3 ± 4Continuity
No continuity
3 ± 5Continuity
(Apply battery voltage terminals 1 and 2)
3. INSPECT COOLING FAN RELAY NO.3
(a) Continuity inspection.
(1) Using an ohmmeter, check for continuity between
each terminal.
Specified condition:
Terminal No.Specified condition
1 ± 2Continuity
No continuity
3 ± 5Continuity
(Apply battery voltage terminals 1 and 2)

Page 137 of 1690

1600R±12
± COOLINGCOOLING FAN SYSTEM (1AZ±FSE)
16±29
AVENSIS REPAIR MANUAL (RM1018E)
COOLING FAN SYSTEM (1AZ±FSE)
ON±VEHICLE INSPECTION
HINT:
It is normal that the cooling fan sometime rotates when the ignition switch is turned from ACC to ON.
1. CHECK COOLING FAN OPERATION WITH LOW TEMPERATURE (Below 83C (181F))
(a) Turn the ignition switch ON.
(b) Check that the cooling fan stops.
If not, check the cooling fan relay and engine coolant temperature sensor, and check for disconnection of
connectors or wire break between the cooling fan relay and engine coolant temperature sensor.
(c) Disconnect the engine coolant temperature sensor connector.
(d) Check that the cooling fan rotates.
If not, check the fuses, cooling fan relay, ECM and cooling fan, and check for a short circuit between the
cooling fan relay and engine coolant temperature sensor.
(e) Reconnect the engine coolant temperature sensor connector.
2. CHECK COOLING FAN OPERATION WITH HIGH TEMPERATURE (Above 100C (212F))
(a) Start the engine, and raise coolant temperature to above 100C (212F).
HINT:
Coolant temperature is the detected value by the engine coolant temperature sensor on the water outlet.
(b) Check that the cooling fan rotates.
If not, replace the engine coolant temperature sensor.
3. INSPECT COOLING FAN
(a) Disconnect the cooling fan connector.
(b) Connect battery and ammeter to the cooling fan connector.
(c) Check that the cooling fan rotates smoothly, and check the reading on the ammeter.
Standard amperage:
5.2 to 8.2 A at 20C (68F) (M/T)
8.3 to 11.3 A at 20C (68F) (A/T)
(d) Reconnect the cooling fan connector.
4. INSPECT COOLING FAN No.2 (With Air Conditioner)
(a) Disconnect the cooling fan connector.
(b) Connect battery and ammeter to the cooling fan connector.
(c) Check that the cooling fan rotates smoothly, and check the reading on the ammeter.
Standard amperage:
5.2 to 8.2 A at 20C (68F) (M/T)
8.3 to 11.3 A at 20C (68F) (A/T)
(d) Reconnect the cooling fan connector.

Page 138 of 1690

160N0±01
E34090
A30519
E34090
16±30
± COOLINGCOOLING FAN SYSTEM (1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION
1. INSPECT COOLING FAN RELAY
(a) Continuity inspection.
(1) Using an ohmmeter, check for continuity between
each terminal.
Specified condition:
Terminal No.Specified condition
1 ± 2Continuity
No continuity
3 ± 5Continuity
(Apply battery boltage terminals 1 and 2)
2. INSPECT COOLING FAN RELAY NO.2
(a) Continuity inspection.
(1) Using an ohmmeter, check for continuity between
each terminal.
Specified condition:
Terminal No.Specified condition
1 ± 2
3 ± 4Continuity
No continuity
3 ± 5Continuity
(Apply battery boltage terminals 1 and 2)
3. INSPECT COOLING FAN RELAY NO.3
(a) Continuity inspection.
(1) Using an ohmmeter, check for continuity between
each terminal.
Specified condition:
Terminal No.Specified condition
1 ± 2Continuity
No continuity
3 ± 5Continuity
(Apply battery boltage terminals 1 and 2)

Page 139 of 1690

1606N±03
A57065
21

± COOLINGCOOLING FAN SYSTEM (1CD±FTV)
16±41
AVENSIS REPAIR MANUAL (RM1018E)
COOLING FAN SYSTEM (1CD±FTV)
ON±VEHICLE INSPECTION
1. CHECK COOLING FAN OPERATION WITH LOW TEMPERATURE (Below 83C (181F))
(a) Turn the ignition switch ON.
(b) Check that the cooling fan stops.
(c) Disconnect the temperature detect switch connector.
(d) Connect the terminals on the temperature detect switch connector.
(e) Check that the cooling fan rotates.
If not, check the fuses, cooling fan relay and cooling fan, and check for a open circuit between the cooling
fan relay and temperature detect switch.
(f) Reconnect the temperature detect switch connector.
2. CHECK COOLING FAN OPERATION WITH HIGH TEMPERATURE (Above 93C (199F))
(a) Start the engine, and raise coolant temperature to above 93C (199F)
HINT:
Coolant temperature is the detected value by the temperature detect switch on the radiator lower tank.
(b) Check that the cooling fan rotates.
If not, replace the temperature detect switch.
3. INSPECT COOLING FANS
(a) Disconnect the cooling fan connector.
(b) Connect battery and ammeter to the cooling fan connec-
tor.
(c) Check that the cooling fan rotates smoothly, and check
the reading on the ammeter.
Standard amperage:
Approx. 13.2 A at 20C (68F)
(d) Reconnect the cooling fan connector.

Page 140 of 1690

160N8±01
 
 

A35654
A30519
E34090
16±42
± COOLINGCOOLING FAN SYSTEM (1CD±FTV)
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION
1. INSPECT COOLING FAN RELAY
(a) Continuity inspection.
(1) Using an ohmmeter, check for continuity between
each terminal.
Specified condition:
Terminal No.Specified condition
1 ± 2Continuity
No continuity
3 ± 5Continuity
(Apply battery voltage terminals 1 and 2)
2. INSPECT COOLING FAN RELAY NO.2
(a) Continuity inspection.
(1) Using an ohmmeter, check for continuity between
each terminal.
Specified condition:
Terminal No.Specified condition
1 ± 2
3 ± 4Continuity
No continuity
3 ± 5Continuity
(Apply battery boltage terminals 1 and 2)
3. INSPECT COOLING FAN RELAY NO.3
(a) Continuity inspection.
(1) Using an ohmmeter, check for continuity between
each terminal.
Specified condition:
Terminal No.Specified condition
1 ± 2Continuity
No continuity
3 ± 5Continuity
(Apply battery voltage terminals 1 and 2)

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