Temperature Indicator - Honda 2005 FOURTRAX FOREMAN TRX500 TM Service Manual

LIGHTS/METERS/SWITCHES
FM/FE models:
TM model:
If the motor does not start, remove the right engine
air guide (page 3-12).
Disconnect the fan motor 2P connector.
Measure the voltage between the wire harness side
connector Blue wire terminal (+) and ground (-).
There should be battery voltage with the ignition
switch turned to ON.
• If there is no voltage, check for open circuit in the
Blue wire.
• If there is voltage, check the Green/black wire for
continuity between the fan motor 2P connector
and ECM 5P connector.
- If there is continuity, replace the ECM.
- If there is no continuity, repair open circuit in the
Green/black wire.
Fan motor does not stop
Disconnect the 5P black connector from the ECM
(page 21-16).
Turn the ignition switch to ON and check the fan
motor.
If the fan motor does not start, replace the ECM.
If the fan motor starts, remove the right engine air
guide (page 3-12).
Turn the ignition switch to OFF.
Disconnect the fan motor 2P connector.
Check for short circuit in the Green/black wire
between the fan motor 2P connector and ECM 5P
connector.
Oil temperature indicator does not come on
Disconnect the 33P black connector from the ECM
(page 21-16).
Ground the Blue/red wire terminal of the wire har-
ness side connector using a jumper wire and special
tool.
TOOL:
Pin probe (Male)
07ZAJ-RDJA110
Turn the ignition switch to ON and check the oil
temperature indicator.
If the indicator comes on, replace the ECM.
If the indicator does not come on, turn the ignition
switch to OFF and disconnect the meter 14P gray
connector.
Check for an open circuit in the Blue/red wire
between the meter connector and ECM connector.
If the wire is OK, replace the combination meter.
If the indicator does not come on, turn the ignition
switch to OFF and disconnect the indicator 6P con-
nector.
Check for open circuit in the Blue/red wire between
the indicator connector and ECM connector.
If the wire is OK, check the oil temperature indicator
bulb and socket.
FAN MOTOR 2P CONNECTOR
FAN MOTOR 2P CONNECTOR
ECM 33P CONNECTOR
(Viewed from the terminal side)
Blue/red
[
1
1 1 — 1 / 1
(
X
"MH
1
1
1
METER 14P GRAY CONNECTOR
21-17