Yamaha TZ125M1 Owner's Service Manual page 231

SOLENOID VALVE SYSTEM
EC624000
COUPLERS AND LEADS CONNECTION
INSPECTION
1. Check:
• Couplers and leads connection
Rust/ Dust/ Looseness/Short-circuit ≥
Repair or replace.
EC652030
SOLENOID VALVE OPERATION
1. Check:
• Solenoid valve operation
Checking steps:
• Disconnect the condenser lead 1.
• Connect the checking lead 2 between the
wireharness 3 and battery (12V) 4.
• Check the solenoid valve 5 operation.
If a click can be heard the solenoid valve is
working properly.
No click ≥ •Check the coupler and lead
EC653002
SOLENOID VALVE COIL INSPECTION
%
1. Inspect:
• Solenoid valve coil resistance
Out of specification ≥ Replace.
Tester (+) lead ≥
Tester (–) lead ≥
?
22.8~27.8 Ω at
6-7
ELEC
connection.
•Check the solenoid valve
resistance.
≥ Red lead 1 1
≥ Red lead 2 2
Solenoid Tester selector
resistance position
Ω X X 10
20˚C (68˚F)