Yamaha FZR400 1988-1989 Service Manual page 334

TROUBLESHOOTING
HEADLIGHT, "HIGH BEAM" INDICATOR LIGHT, TAILLIGHT, LICENSE LIGHT
METER LIGHT, AND POSITION LIGHT DO NOT COME ON.
Procedure
Check;
1. Fuse "MAIN"
2. Battery
3. Main switch
NOTE:
Remove the following parts before troubleshooting.
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1) Seat
2) Upper cowling
Use the following special tool in this troubleshooting.
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Pocket Tester:
P/N. YU-03112
1. Fuse "MAIN"
Remove the fuse "MAIN".
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Connect the Pocket Tester (R x 1) to the
fuse "MAIN".
2. Battery
Check the battery condition.
Refer to the "BATTERY INSPECTION"
section in the CHAPTER 3.
Specific Gravity:
1.280 at 20" C (68" F)
CONTINUITY
CORRECT
8 - 4 1
LIGHTING SYSTEM pqq
4. "LIGHTS" (Dimmer) switch
5. Wiring connection
(Entire lighting system)
3) Seat cowling
NO CONTINUITY
Replace fuse "MAIN".
INCORRECT
Refill battery fluid.
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Clean battery terminals.
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Recharge or replace battery.
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