EFI System / Ignition Relay Check (Continued)
(2
of 2)
1
•
•
IGNITION “ON.”
USING A TEST LIGHT CONNECTED TO
GROUND, PROBE IGNITION COIL
CONNECTOR TERMINAL “B.”
•
LIGHT SHOULD BE “ON.”
IS IT?
NO
YES
2
•
IGNITION “OFF.”
REMOVE SYSTEM RELAY CONNECTOR.
IGNITION “ON.”
WITH TEST LIGHT STILL CONNECTED TO
GROUND, PROBE RELAY CONNECTOR
CAVITIES “86” AND “30.”
REFER TO “IGNITION
SYSTEM CHECK” CHART
•
•
•
•
TEST LIGHT SHOULD LIGHT “ON” BOTH
TERMINAL CAVITIES.
DID IT?
YES
NO
3
4
•
•
CONNECT TEST LIGHT TO BATTERY POSITIVE
(B+) AND PROBE RELAY CONNECTOR CAVITY “85.”
TEST LIGHT SHOULD LIGHT. DID IT?
REPAIR OPEN OR SHORT
TO GROUND IN CIRCUIT
THAT DID NOT LIGHT
YES
CHECK RELAY CONNECTOR FOR
NO
•
REPAIR OPEN OR GROUND
CKT 150 AND RETEST
POOR CONTACT OR
CORROSION. IF OK, REPLACE
SYSTEM RELAY.
Index
90-823224--2 796
ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5C-73
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
Model Year | 1993, 1994, 1995, 1996, 1997 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you