SUPPLEMENT TO SERVICE MANUAL NUMBER 24
System Relay
FUEL INJECTION DISASSEMBLY AND REASSEMBLY
REMOVAL
1.
Remove system relay from electrical bracket.
a
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85 86 87
a - System Relay
Disconnect electrical connector and remove relay.
2.
CLEANING AND INSPECTION
IMPORTANT: The system relay is an electrical component. DO NOT soak in any liquid
cleaner or solvent; damage may result.
1.
2.
Clean the external surfaces with a dry cloth.
Inspect surfaces for evidence of damage.
INSTALLATION
1.
2.
Attach electrical connector to relay.
Place system relay in electrical box.
Electronic Control Module (ECM)
NOTICE
Refer to “Service Precautions” in front of this section BEFORE proceeding.
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.
2.
Disconnect J1 and J2 electrical connectors at engine control module (ECM). DO NOT
touch connector pins when removing.
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 at both ends of ECM for straightness and corrosion.
Visually inspect J1 and J2 connectors on the wiring harness for corrosion and terminals
that may have backed out of the harness.
NOTE: The ECM is a sealed electrical component. If a Code 51or 52 check has shown it
to be defective, replace the unit with another ECM having the same part number as the
original.
90-861327000
JULY 2000
Page 5E-17
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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