Checking The Signal System - Yamaha Rhino 450 YXR45FAV Service Manual

CHECKING THE SIGNAL SYSTEM

1. If the brake lights fail to come on:
1. Bulb and bulb socket
• Check the bulb and bulb socket for conti-
nuity.
2. Brake light switch
Refer to "CHECKING THE SWITCHES".
3. Voltage
• Connect the pocket tester (DC 20 V) to the
bulb socket connector.
Tester (+) lead → Yellow terminal 1
Tester (–) lead → Black terminal 2
• Turn the main switch to "ON".
• Press the brake pedal.
• Check the voltage (12 V) of the "Yellow"
lead on the bulb socket connector.
This circuit is not faulty.
SIGNALING SYSTEM
CONTINUITY
CONTINUITY
MEETS
SPECIFICATION
9 - 37
NO CONTINUITY
Replace the bulb and/or bulb socket.
NO CONTINUITY
Replace the brake light switch.
OUT OF SPECIFICATION
The wiring circuit from the main switch to the
bulb socket connector is faulty, repair it.
– +
ELEC