SERVICE MANUAL NUMBER 30
FUEL INJECTION DISASSEMBLY AND REASSEMBLY
Electronic Control Module (ECM)
IMPORTANT: The ECM is a sensitive electrical device, subject to electrostatic
damage. DO NOT touch connector pins when removing or installing the module.
Removal
1.
Disconnect A, B and C electrical connectors at engine control module (ECM). DO NOT
touch connector pins when removing.
d
a
b
c
77498
a - Connector A
b - Connector B
c - Connector C
d - ECM
2.
Remove ECM from electrical bracket.
Cleaning and Inspection
1.
Clean the exterior of the ECM with a dry cloth being careful to avoid contact with
connector pins.
2.
3.
4.
Inspect outer surfaces for any obvious damage.
Visually inspect electrical pins on ECM for straightness and corrosion.
Visually inspect connectors on the wiring harness for corrosion and terminals that may
have loose connections.
NOTE: The ECM is a sealed electrical component. If ECM is shown to be defective the unit
must be replaced with an ECM of the same part number.
Installation
1.
2.
Mount new ECM to electrical bracket using screws and washers.
Connect electrical connectors to the ECM. DO NOT touch connector pins when instal-
ling.
INDEX
90-863161
SEPTEMBER 2000
Page 5B-13
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 496 CID |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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