1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16

No “Malfunction Indicator Lamp”
Chart A-1: (2 of 2)
DOES THE ENGINE START?
YES
NO
1
IS THE 10 AND 15 AMP
ECM FUSE OK?
•
•
•
IGNITION “ON.”
REMOVE MARINE DIAGNOSTIC CODE TOOL.
USING A TEST LIGHT CONNECTED TO
GROUND, PROBE TERMINAL “F” OF THE
DLC CONNECTOR.
LIGHT SHOULD BE “ON.” IS IT?
YES
NO
YES
NO
4
1
DOES THE ENGINE CRANK?
LOCATE AND CORRECT
SHORT TO GROUND IN
CIRCUIT.
•
CONNECT TEST LIGHT TO
REPAIR OPEN OR
SHORTED CKT 440.
2
B+BATTERY POSITIVE.
•
•
PROBE DLC TERMINAL “E.”
LIGHT SHOULD BE “ON.” IS IT?
YES
NO
PERFORM TESTS ON
STARTING SYSTEM CIR-
CUIT. SEE TROUBLE-
SHOOTING IN SECTION
1C.
•
•
IGNITION “OFF.”
DISCONNECT ECM
CONNECTORS.
•
•
IGNITION “ON.”
YES
NO
PROBE ECM CONNECTOR
PINS J1-16, J1-32, AND
J1-11 WITH TEST LIGHT
TO GROUND.
CONNECT TEST LIGHT BETWEEN
DLC TERMINALS “F” AND “E.”
LIGHT SHOULD BE “ON.”
IS  IT?
3
•
•
IGNITION “OFF.”
IS THE LIGHT “ON,” ON
ALL CIRCUITS?
DISCONNECT ECM
“J2” CONNECTOR.
USING DVM,
•
MEASURE
RESISTANCE
BETWEEN ECM
CONNECTOR
TERMINAL “J2-31”
AND DLC
CONNECTOR
TERMINAL “E.”
RESISTANCE
SHOULD BE CLOSE
TO 0 OHMS.
YES
NO
YES
NO
FAULTY ECM GROUNDS
OR ECM.
PERFORM EFI SYSTEM
RELAY CHECK. DOES
ENGINE START?
FAULTY DIAG-
NOSTIC CODE
TOOL.
REFER TO
“DIAGNOSTIC
AIDS” ON
FACING
PAGE.
•
YES
NO
REPEAT STEP 1
OF THIS CHART
REPAIR OPEN IN CIRCUIT
THAT DID NOT LIGHT
THE TEST LIGHT.
IS  IT?
YES
NO
FAULTY ECM
CONNECTIONS OR
FAULTY ECM.
CHECK FOR SHORT IN
WIRE 419 BETWEEN J2-31
AND DLC TERMINAL E
Index
90-823224--2  796
ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5C-53
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1993, 1994, 1995, 1996, 1997
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(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews.
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1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 SKU UPC Model
Nick on Aug 13, 2018. Exactly what I was looking for!

Hugely helpful service manual! Perfect. Thank you!
Sonthaya Traipug on May 04, 2018. Freelance Yachts Service

Manuals are all Important for Technician
Glenn on Dec 02, 2015. Nice

This book is invaluable if you do your own repairs. Great book.
Joseph on Oct 04, 2015. 1997 7.4l Bravo

Could not find a copy until a search brought me here.
Excellent print.
Thank you

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