Yamaha RX10H Service Manual page 639

COOLING SYSTEM
RADIATOR FAN MOTOR
1. Disconnect:
• Radiator fan motor coupler
2. Connect:
• Battery
3. Inspect:
• Radiator fan motor
Positive battery terminal → Blue
Negative battery terminal → Black
Does not move → Replace the radiator fan
motor.
RADIATOR FAN MOTOR RELAY
1. Disconnect:
• Radiator fan motor relay coupler
Inspection steps:
• Disconnect the headlight relay from the cou-
pler.
• Connect the pocket tester (Ω × 1) and battery
(12 V) to the headlight relay terminals as
shown.
Positive battery terminal → Red/White
Negative battery terminal → Green/
Yellow
Positive tester probe → Brown/Green
Negative tester probe →Blue
• If radiator fan motor relay does not have con-
tinuity between the brown/white and blue ter-
minals, replace it.
110
ELEC