Honda VFR800F 2014 Service Manual page 94

PGM.FI SYSTEM
2.
MAP
Sensor lnput Voltage lnspection
Remove the fuel tank
(Page
7-1
1)'
Turn
the ignition switch OFF,
Disconnect
the MAP sensor 3P (Gray) connector
t1l.
turn the
ignition
switch ON with
the engine
stop
switch "C".
Measure the
voltage
between the
wire
harness side
MAP sensor 3P (Gray) connector terminals
CONNECTION:
Yellow/red (+)
-
Gray
(-)
STANDARD:
4,75
_
5,25Y
ts the vottage
within standard
value?
YES
-
GO TO STEP
3.
NO -
OPen circuit
in the GraY
wire
3.
MAP Sensor System lnspection
with
Jumper
Wire
Turn
the
ignition switch OFF.
Connect
ihe wire
harness
side MAP sensor
3P
(Gray) connector
[1]
terminals
with
a iumper wire
12).
CONNECTION: Blue/green
-
GraY
Check
the
MAP sensor with
the
MCS'
ls
about0V indicated?
YES
-
FaultY
MAP sensor
NO _
GO
TO
STEP
4.
MAP Sensor
Signal Line Open
Circuit lnspection
Turn
the
ignition switch OFF'
Remove the jumPer wire.
Disconnect
the
ECM 33P (Gray) connector (page 4-
42).
Check
for continuity
between
the wire harness
side
MAP
sensor 3P (Giay) connector
[1]
and ECM
33P
(Gray) connector [2] terminals at the
wire side'
TOOL:
Test probe (2 Pack)
OTZAJ-RDJA11O
CONNECTION: Blue/green
- Blue/green
ls
there
continuitY?
YES
-
Replace
the ECM
with
a
known good one
and recheck.
NO -
Open circuit in
the Blue/green wire
4-13