Mil Circuit Inspection; Fuel Pump Relay Inspection - Honda TRX500FM Service Manual

MIL CIRCUIT INSPECTION
NOTE:
Under normal conditions, the MIL will stay on for a
few seconds , then goes off when the ignition switch
is turned on with the engine stop switch YI".
Check that the MIL (1] comes on when the ignition
switch is turned ON and engine slop switch "0".
If the MIL does not come on al all , inspect the
combination meter (page 22-7).
If the MIL comes on for few seconds, then goes off with
the gear position indicator continuously blinking "-",
check the serial communication line (page 22-7).
If the MIL does not go off within a few seconds comes
on and
it,
check as foUows:
Turn the ignition switch OFF.
Disconnect the PCM/ECM 33P (Gray) connector {1].
Check for continuity between the wire harness side
PCM/ECM 33P (Gray) connector and ground.
Connection : 8 5 - Ground
TOOL:
Tes t probe
07ZAJ ·RDJA110
If there is continuity, check for short circuit in the
Brown/red wire between the DlC and PCMIECM.
If there is no continuity, replace the PCM/ECM with
a known good one (page 4-34), and recheck.
FUEL PUMP RELAY
INSPECTION
I
--
1\1
000
- ,
\0
111
PGM-FI SYSTEM
jl
PS;
(X) (Jl (o j
1 ...... 1
rl
-,
-
LI
- Iil
•
(p , -
2
U I L!;
I
\
85
,----A
Q
-
Remove the rear fender cover (page 2-9).
Disconnect the fuel pump relay BP (Gray) connector (11.
Remove the fuel pump relay
[21
from the rear fender.
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