Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 09 emr1 insp
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CO-28
COOLING - ENGINE MAIN RELAY
ENGINE MAIN RELAY CO08G-02
INSPECTION
1. REMOVE ENGINE MAIN RELAY (Marking: ENGINE
MAIN)
Engine
Main Relay
B00743
Ohmmeter 2. INSPECT RELAY CONTINUITY
Continuity (a) Using an ohmmeter, check that there is continuity be-
2 1
Ohmmeter tween terminals 3 and 5.
If there is no continuity, replace the relay.
Ohmmeter (b) Check that there is continuity between terminals 2 and 4.
5
If there is no continuity, replace the relay.
4 3 (c) Check that there is no continuity between terminals 1 and
No 2.
Continuity Continuity S04944 If there is continuity, replace the relay.
Ohmmeter No 3. INSPECT RELAY OPERATION
Continuity (a) Apply battery voltage across terminals 3 and 5.
2 1 (b) Using an ohmmeter, check that there is no continuity be-
Ohmmeter
tween terminals 2 and 4.
If there is continuity, replace the relay.
(c) Check that there is continuity between terminals 1 and 2.
5
4 3 If there is no continuity, replace the relay.
Continuity 4. REINSTALL ENGINE MAIN RELAY
Battery S04945
2001 SIENNA (RM787U)
Author : Date : 1188
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