Briggs & Stratton BIG BLOCK EFI, Repair Manual

Page: 131 / 142

Section 5: Removal/Installation 127
• Slide Phillips screw through ECM fl ange
(Grey ECM J1 connector side) and ground
wire ring terminal. Start screw into ECM/
fuse block bracket and tighten to 35-52 in-
lbs (4-6 Nm).
• Connect fuel injector connector. Push in
green secondary lock to secure.
• Install new cable strap through ignition coil
wire harness socket connector, install over
inside ignition coil mounting boss, and con-
nect connector.
• Connect CKP sensor connector.
• Connect IAC connector.
4. See A of Figure 5-23. On cylinder 2 side of
engine, proceed as follows:
• Install screw to fasten fuse block cover to
ECM/fuse block bracket. Tighten screw to
78-96 in-lbs (9-11 Nm).
• Connect MAP/MAT sensor connector. Push
in red secondary lock to secure.
• Connect fuel injector connector. Push in
green secondary lock to secure.
• Install new cable strap through ignition coil
wire harness socket connector, install over
inside ignition coil mounting boss, and con-
nect connector.
• Install Phillips screw to fasten ground wire
ring terminal to cylinder boss. Tighten
screw to 22-35 in-lbs (3-4 Nm).
• Connect ECM J2 connector.
5. See C of Figure 5-23. Proceed as follows:
• Connect TPS connector.
• Connect fuel pump module connector.
Push in grey secondary lock to secure.
• Orient EHT sensor with end rotated against
tab on cylinder 1. Install TORX screw and
tighten to 35-52 in-lbs (4-6 Nm). See Figure
5-22.
• Connect starter solenoid ring and spade
terminals.
• Connect 2- and 6-place (or single 8-place)
engine to chassis connectors.
6. Install two Phillips screws (with captive
washers) to fasten air block mounting plate
to cylinder. Alternately tighten screws to 22-
35 in-lbs (3-4 Nm).
7. Install cable strap around intake manifold
between air block mounting plate and in-
side cylinder 2 ignition coil mounting boss
capturing convoluted tubing of ignition coil
and fuel injector.
8. Install cable strap around intake manifold
between air block mounting plate and in-
side cylinder 1 ignition coil mounting boss
capturing fuel injector, ignition coil and CKP
sensor conduit.
9. See Air Cleaner Assembly, Installation.
10. See Access Cover/Blower Housing, Instal-
lation.
IAC
Removal
1. Remove access cover. See Access Cover/
Blower Housing, Removal, steps 1-3.
2. See Air Cleaner Assembly, Removal.
3. Disconnect IAC connector.
4. Remove two Phillips screws to release IAC
from throttle body.
Installation
1. Install two Phillips screws to fasten IAC to
throttle body. Alternately tighten screws to
22-35 in-lbs (2-4 Nm).
2. Connect IAC connector.
3. See Air Cleaner Assembly, Installation.
4. Install access cover. See Access Cover/
Blower Housing, Installation, steps 7-10.