Honda TRX500FM Service Manual

POWER RELAY (Canada type)
RELAY INSPECTION
Remove the rear tender cover (page 2-9 ).
Disconnect the power relay BP (Gray) connector [1J .
Remove the power relay [2J from the rear fender.
BATTERY/CHARGING SYSTEM
Connect an ohmmeter to the power relay side 8P I
connector [1] terminals as shown.
Connection : A (Red/ bla ck) - B (Red) r--S~~I;~~~~:::: 111
C (Red/black) - 0 (Red)
Connect the 12 V battery
(2] to the power relay side 8P
connector terminals as shown.
Connection : E (Black/red ) - F (White/black)
G (BlaCk/red) - H (White/black)
There should be continuity wi th the battery connected
and no continuity with the battery disconnected.
If the test result is abnormal, replace the power relay.
CIRCUIT INSPECTION
Olsconnect the power relay 8P (Gray) connector (1) r---
(page 21-11).
Redlblack Red
Check the following al the wire harness side power
relay 8P (Gray) connector.
Charging Line (Battery side):
Measure the voltage between the Red/black wire
terminal (+) and ground (-) ,
There should be battery voltage at all times.
Charging LIne (Regulator /r ectifier side):
Measure the voltage between the Red wire terminal (+)
and ground (- ).
There should be battery voltage al all times.
Relay
Coil Input Line :
Measure the voltage between the Black/red wi re
terminal
(+ ) and ground (-) .
There should be battery
voltage when the ignition
switch is turned
ON.
Relay Coli Ground Une:
Check for continuity between the White/black wire
terminal and ground.
There
should be continuity when the engine speed is
more than
100 rpm.
111
Rod
Whitelblack
Black/red
Redlbfack
Black/red
White/black
21-11

Honda TRX500FM Specifications

General

Brand	Honda
Model	TRX500FM
Category	Offroad Vehicle
Language	English