Briggs & Stratton Vanguard EFI 380000, Руководство по ремонту

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5
89
15
EFI Wire Harness
Removal
1. See Air Cleaner Assembly, Removal .
2. See B of Figure 15. On cylinder 1 side of engine,
proceed as follows:
• Disconnect stator power connector.
NOTE: Fuel pump module connector is disconnected
during blower housing removal.
3. See Blower Housing, Removal .
4. See A of Figure 15. On cylinder 2 side of engine,
proceed as follows:
• Disconnect oil pressure switch connector.
Release wire from high tension lead grommet on
cylinder heat shield. Cut cable strap to release
wire from bottom of intake manifold.
5. See C of Figure 15. Proceed as follows:
• Cut cable strap to release fuel injector connector
conduit from fuel injector socket/pin housing.
Disconnect fuel injector connector.
• Cut cable strap to release MAP/MAT sensor
conduit and ignition “kill switch” wires from
intake manifold. Disconnect MAP/MAT sensor
connector.
• Disconnect ignition coil connector.
• Disconnect throttle actuator motor connector.
• Remove two hex flange screws to release ECM
from ECM bracket. Disconnect ECM connector.
• Remove hex flange screw to release ECM
ground wire ring terminal from ECM bracket.
• Remove hex screw to release EHT sensor
bracket from ECM bracket.
Installation
1. Position EFI wire harness at top of intake manifold
separating conduit and connectors into three groups
as shown in Figure 15.
2. See C of Figure 15. Proceed as follows:
• Install hex screw to fasten EHT sensor bracket to
ECM bracket. Tighten screw to 15-25 lb-in (2-3
Nm).
• Install hex flange screw to fasten ECM ground
wire ring terminal to ECM bracket. Tighten screw
to 50 lb-in (6 Nm).
• Connect ECM connector. Install two hex
flange screws to fasten ECM to ECM bracket.
Alternately tighten screws to 43-52 lb-in (5-6
Nm).
• Route throttle actuator motor conduit outside of
ECM bracket vertical support and then back to
connect connector.
• Connect ignition coil connector.
• Route MAP/MAT sensor conduit between heat
shield and intake manifold, around bottom of
intake manifold, and then up to sensor. Connect
connector. Push in red secondary lock to secure.
• Connect fuel injector connector.
3. See A of Figure 15. On cylinder 2 side of engine,
proceed as follows:
• Route oil pressure switch wire toward cylinder 2
following bottom of intake manifold. Capture wire
in grommet on cylinder heat shield and connect
connector.
4. Secure EFI wire harness as follows:
A. Install new cable strap to secure oil pressure
switch wire at bottom of intake manifold. See A of
Figure 16.
Not for
Reproduction