Yamaha 4TX-AE3 Two-Way Radio User Manual


 
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2. Battery
S Check the condition of the battery.
Refer to “BATTERY INSPECTION”.
Open-circuit voltage
12.8 V or more at 20_C
S Is the battery OK?
YES NO
S Clean the battery
terminals.
S Recharge or replace
the battery.
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3. Main switch
S Check the main switch for continuity.
Refer to “SWITCH INSPECTION”.
S Is the main switch OK?
YES NO
Repalce the main
switch.
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4. Wiring
S Check the entire signal system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
S Is the signal system’s wiring properly con-
nected and withour defects?
YES NO
Properly connect or
repair the signal sys-
tem’s wiring
Check the condition
of each of the signal-
ing system’s circuits.
Refer to “SIGNAL
SISTEM CHECK.”
SIGNAL SYSTEM
ELEC
NOTE:
S Check the main and signaling system fuses
for continuity.
Refer to “FUSE INSPECTION”.
S Are the main and signaling system fuses OK?
1. Main and signal system fuses
YES NO
Replace the fuse(-s).
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TROUBLESHOOTING
S Any of the following fail to light: flasher
light, trun and fuel level indicator light.
S The fuel meter fails to operate.
Check:
1. main and signal system fuses
2. battery
3. main switch
4. wiring
(of the entire signal system)
S Before troubleshooting, remove the following
part(-s):
1) seats
2) fuel tank
3) air filter case
4) side cowlings
5) side covers
S Troubleshoot with the following special tool(-s).
Pocket tester
90890-03112
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