Code 14: ECT Circuit (Scan)
(2 of 2)
1
•
IGNITION “ON.”
DOES SCAN TOOL DISPLAY A COOLANT
TEMPERATURE VALUE GREATER THAN
266
°F (130°C) OR LESS THAN –22°F (–30°C)?
YES
NO
CODE 14 IS INTERMITTENT. IF NO
ADDITIONAL CODES WERE STORED,
REFER TO “DIAGNOSTIC AIDS” ON
FACING PAGE.
COOLANT TEMPERATURE
SCAN DISPLAY LESS
THAN –22°F (–30°C).
COOLANT TEMPERATURE
SCAN DISPLAY GREATER
THAN 266°F (130°C).
2
•
•
IGNITION “OFF.”
DISCONNECT ENGINE COOLANT TEMPERATURE (ECT)
SENSOR.
•
•
IGNITION “OFF.”
DISCONNECT COOLANT TEMPERATURE
SENSOR.
•
•
IGNITION “ON.”
•
JUMPER TERMINALS “A” AND “B”
TOGETHER.
IGNITION “ON.”
SCAN TOOL SHOULD DISPLAY COOLANT
TEMPERATURE BELOW –22°F (–30°C).
DOES IT?
•
•
SCAN TOOL SHOULD DISPLAY
COOLANT TEMPERATURE ABOVE 266°F
(130°C).
DOES IT?
NO
YES
NO
YES
CKT 410 SHORTED TO GROUND
OR
FAULTY ECM.
REPLACE ENGINE
COOLANT
TEMPERATURE
CKT 410 OPEN
OR
SENSOR GROUND
OPEN
OR
REPLACE ENGINE
COOLANT
TEMPERATURE
SENSOR.
SENSOR.
FAULTY ECM.
Index
90-823224--2 796
ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5C-101
| 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 |
(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. 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