Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm co cfr insp
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CO-31
COOLING - COOLING FAN RELAY
COOLING FAN RELAY CO0VA-02
INSPECTION
1. INSPECT NO. 1 COOLING FAN RELAY
(a) Remove the relay box cover.
(b) Remove the No. 1 cooling fan relay. (Marking: FAN NO.
1)
B07780
(c) Inspect the No. 1 cooling fan relay continuity.
Ohmmeter Ohmmeter
(1) Using an ohmmeter, check that continuity exists be-
1 2 tween terminals 1 and 2.
If no continuity exists, replace the relay.
(2) Check that no continuity exists between terminals
Continuity 3 and 5.
5 If continuity exists, replace the relay.
3
No Continuity
B03548
(d) Inspect the No. 1 cooling fan relay operation.
Ohmmeter
(1) Apply battery voltage across terminals 1 and 2.
1 (2) Using an ohmmeter, check that continuity exists be-
2
tween terminals 3 and 5.
If no continuity exists, replace the relay.
(e) Reinstall the No. 1 cooling fan relay.
5
(f) Reinstall the relay box cover.
Battery
3
Continuity
B03549
2. INSPECT NO. 2 COOLING FAN RELAY
(a) Remove the relay box cover.
(b) Remove the No. 2 cooling fan relay. (Marking: FAN NO.
2)
No. 2 Cooling
Fan relay
B00292
Continuity (c) Inspect the No. 2 cooling fan relay continuity.
Ohmmeter
4 (1) Using an ohmmeter, check that continuity exists be-
1 2
tween terminals 1 and 2.
If no continuity exists, replace the relay.
Ohmmeter Ohmmeter (2) Check that continuity exists between terminals 3
5 and 4.
If no continuity exists, replace the relay.
3
(3) Check that no continuity exists between terminals
Continuity No Continuity B03550 3 and 5.
If continuity exists, replace the relay.
2002 ECHO (RM884U)
Author : Date : 804
CO-32
COOLING - COOLING FAN RELAY
(d) Inspect the No. 2 cooling fan relay operation.
4 (1) Apply battery voltage across terminals 1 and 2.
1 2 (2) Using an ohmmeter, check that no continuity exists
Battery between terminals 3 and 4.
Ohmmeter Ohmmeter If continuity exists, replace the relay.
5 (3) Using an ohmmeter, check that continuity exists be-
tween terminals 3 and 5.
3
If no continuity exists, replace the relay.
No Continuity Continuity B03551 (e) Reinstall the No. 2 cooling fan relay.
(f) Reinstall the relay box cover.
2002 ECHO (RM884U)
Author : Date : 805
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