Engine Main Relay; Inspection Of Engine Main Relay - Toyota MR2 1988 Repair Manual

CH-16
CHARGING SYSTEM - Engine Main Relay
BE0993
ENGINE MAIN RELAY
INSPECTION OF ENGINE MAIN RELAY
INSPECT ENGINE MAIN RELAY
NOTE: The relay is located in the No.2 junction block of
the engine compartment.
Inspect Relay Continuity
(a) Using an ohmmeter, check that there is continuity
between terminals 1 and 2.
(b) Check that there is continuity between terminals 3
and 5.
(c) Check that there is no continuity between terminals 3
and 4.
If continuity is not as specified, replace the relay.
Inspect Relay Operation
(a) Apply battery voltage across terminals 1 and 2.
(b) Using an ohmmeter, check that there is continuity
between terminals 3 and 4.
(c) Check that there is no continuity between terminals 3
and 5.
If operation is not as described, replace the relay.