Engine Stop Switch Line Inspection - Honda TRX500FM Service Manual

PGM·FI SYSTEM
4·36
ENGINE STOP SWITCH LINE
INSPECTION
Before starting the inspection, check for loose or
poor contact on the PCM/ECM 33P (Black) and
(Gray)
connectors.
ENGINE DOES NOT START (NO FUEL PUMP
OPERATION SOUND)
1. Fuse Inspection
Check the IGN fuse (10 A) for blown.
Is the fuse blown ?
YES - Replace the fuse.
NO - GO TO STEP 2.
2. Engine Stop Switch Line Inspection
Turn the ignition switch OFF .
Disconnect the PCMfECM 33P (Black) connector
[1
J.
Tum the ignition switch ON and engine Slop switch
·0·,
Measure the voltage between the wire hamess side
PCM/ECM 33P (Black) connector terminal and
ground.
Connection : A4
(+) -
Ground
H
TOOL:
Test probe
07ZAJ·RDJA 110
Does the battery voltage exist?
YES Inspect the fuel supply system
(page 7-13).
NO - ' Open circuit in the Black/while wire
between the engine stop switch and
PCM/ECM.
Open circuit In the Black/red wire
between the fuse box and engine stop
switch.
Inspect the engine stop switch
(page 22-11).
Open circuit in the Black wire between
the ignition switch and fuse box.
Inspect the ignition switch (page 22-11).
[1 [
A4