Power Relay (Canada Type) Inspection - 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/black) - B (Red) 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/rectifier 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 wire
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