TOYOTA RAV4 1996 Service Repair Manual

Fig. 15: Identifying Terminals Of Cooling Fan Relays (Camry, Camry Solara, Corolla & Sienna)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 16: Identifying Terminals Of Engine Main Relay

1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
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Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
ENGINE COOLANT TEMPERATURE (ECT) SWITCH
Avalon, Camry 3.0L, Camry Solara 3.0L, & Sienna
1. Drain engine coolant. Remove ECT switches. See ECT SWITCH LOCATION table. Place ECT switch
thermal sensor into a water bath.
2. Using an ohmmeter, check that there is no continuity between ECT switch terminals when coolant
temperature is above 208°F (98°C) on No. 1 ECT switch or below 181°F (83°C) on No. 2 ECT switch. If
there is continuity, replace switch.
3. Cool water and check that there is continuity between the switch terminals when coolant temperature is
below 190°F (88°C) or above 199°F (93°C), on Avalon, or above 201°F (94°C), on Camry with 3.0L,
Camry Solara with 3.0L and Sienna. If there is no continuity, replace switch.
4. Reinstall switches. Fill with engine coolant.
Camry 2.2L, Camry Solara 2.2L, Celica (1999), Corolla, ECHO & RAV4
1. Drain engine coolant. Remove ECT switch. See ECT SWITCH LOCATION table. Place ECT switch
thermal sensor into a water bath.
2. Using an ohmmeter, check that there is no continuity between ECT switch terminals when coolant
temperature is above 199°F (93°C). If continuity exists, replace ECT switch.
3. Cool water and check that there is continuity when coolant temperature is below 181°F (83°C). If there is
no continuity, replace ECT switch.
4. Reinstall switches. Fill with engine coolant.
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
MR2 & 2000 Celica
1. Drain engine coolant. On 2000 Celica, remove No. 2 cylinder head cover. On all models, remove ECT
sensor. See ECT SENSOR LOCATIONS
. Place ECT sensor and thermometer into a water bath.
ECT SENSOR LOCATIONS
2. Measure resistance between terminal Nos. 1 and 2. See Fig. 17
. If resistance is not as specified, replace
ECT sensor.
ApplicationSensor Location
Celica (2000)Driver's Side, Rear Of Radiator
MR2Passenger's Side, Rear Of Radiator

1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
Sunday, November 22, 2009 10:21:41 AMPage 22 © 2005 Mitchell Repair Information Company, LLC.

Fig. 17: Measuring ECT Sensor Resistance
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3. Install NEW
gasket on sensor, and reinstall ECT sensor. On 2000 Celica, reinstall No. 2 cylinder head

1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
Sunday, November 22, 2009 10:21:41 AMPage 23 © 2005 Mitchell Repair Information Company, LLC.

cover. On all models, fill with engine coolant.
RADIATOR COOLING FAN
1. Disconnect electrical connector from radiator cooling fan. Connect battery and ammeter to electrical
connector on radiator cooling fan.
2. Radiator cooling fan should operate smoothly and amperage draw should be within specification. See
RADIATOR COOLING FAN AMPERAGE DRAW SPECIFICATIONS
table.
3. Replace radiator cooling fan if fan fails to rotate smoothly or amperage draw is not within specification.
Retest system.
RADIATOR COOLING FAN AMPERAGE DRAW SPECIFICATIONS
WIRING DIAGRAMS
ApplicationAmps @ 68°F (20°C)
Avalon
19995.1-6.3
20008.5-11.5
Camry
2.2L (5S-FE)4.9-8.5
3.0L (1MZ-FE)8.3-11.3
Celica
19995.7-7.7
20005.2-8.2
Corolla5.2-8.2
ECHO7.8-11.8
MR25.7-7.7
RAV410.9-13.9
Sienna (1)
"S1" & "S2"8.5-11.5
"T1" & "T2"14-20
(1)Identification marking is at top of fan shroud.

1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
Sunday, November 22, 2009 10:21:41 AMPage 24 © 2005 Mitchell Repair Information Company, LLC.

1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
Sunday, November 22, 2009 10:21:41 AMPage 25 © 2005 Mitchell Repair Information Company, LLC.

Fig. 18: Electric Cooling Fan System Wiring Diagram (1999 Avalon)

1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
Sunday, November 22, 2009 10:21:41 AMPage 26 © 2005 Mitchell Repair Information Company, LLC.

1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
Sunday, November 22, 2009 10:21:41 AMPage 27 © 2005 Mitchell Repair Information Company, LLC.

Fig. 19: Electric Cooling Fan System Wiring Diagram (2000 Avalon)

1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
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1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
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Fig. 20: Electric Cooling Fan System Wiring Diagram (1999-2000 Camry & Camry Solara -2.2L)

1999 Toyota RAV4
1999-2000 ENGINE COOLING Electric Cooling Fans
Microsoft
Sunday, November 22, 2009 10:21:41 AMPage 30 © 2005 Mitchell Repair Information Company, LLC.