Troubleshooting - Yamaha TDM850 1996 Service Manual

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TROUBLESHOOTING

S FAN MOTOR DOES NOT MOVE.
S WATER TEMPERATURE METER DOES NOT MOVE, WHEN ENGINE IS WARM.
Procedure
Check:
1. Fuse (main, signal and fan)
2. Battery
3. Main switch
4. Fan motor
5. Thermo switch
NOTE:
S Remove the following parts before troubleshoot-
ing.
1) Seat
2) Side cowlings
3) Side covers
4) Fuel tank
5) Air filter case
S Use the following special tool in this trouble-
shooting.
1. Fuse (main, signal and fan)
Refer to "SWITCH INSPECTION".
2. Battery
S Check the battery condition.
Refer to "BATTERY INSPECTION" in CHAP-
TER 3.
Open circuit voltage:
12.8 V or more at 20_C
CONTINUITY
CORRECT
:
COOLING SYSTEM
6. Thermo unit
7. Water temperature
8. Wiring connection
(entire cooling system)
Pocket tester:
90890-03112
NO CONTINUITY
Fuse is faulty, replace it.
INCORRECT
S Clean battery terminals.
S Recharge or replace the battery.
8-40
ELEC

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