A SERVICE OF

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ELECTRICAL SYSTEM 14-65
Relay Assembly
Relay Assembly Circuit Inspection (with the battery disconnected)
Tester Connection Tester Reading ()
3-4
ECU Main Relay [A]
1-2 Not *
7-8
Fuel Pump Relay [B]
5-6 Not *
(*): The actual reading varies with the hand tester used.
Relay Assembly Circuit Inspection (with the battery connected)
Battery Connection
(+) (–)
Tester Connection Tester Reading ()
ECU Main Relay [A] 1-2 3-4 0
Fuel Pump Relay [B] 5-6 7-8 0
(+): Apply positive lead.
(–): Apply negative lead.