Faulty Lighting Or Signaling System; Troubleshooting At The Abs Warning Light - Yamaha R15 2022 Service Manual

2. Front fork leg(s)
• Unevenly oil levels (both front fork legs)
• Unevenly tensioned fork spring (both front
fork legs)
• Broken fork spring
• Bent or damaged inner tube
• Bent or damaged outer tube
3. Swingarm
• Worn bearing
• Bent or damaged swingarm
Rear shock absorber assembly
• Faulty rear shock absorber spring
• Leaking oil
Tire(s)
• Unevenly tire pressures (front and rear)
• Incorrect tire pressure
• Unevenly tire wear
Wheel(s)
• Incorrect wheel balance
• Deformed cast wheel
• Damaged wheel bearing
• Bent or loose wheel axle
• Excessive wheel runout
Frame
• Bent frame
• Damaged steering head pipe
• Improperly installed bearing race
EAS28710

FAULTY LIGHTING OR SIGNALING SYSTEM

Headlight does not come on
• Wrong headlight (LED) bulb
• Too many electrical accessories
• Hard charging
• Incorrect connection
• Improperly grounded circuit
• Poor contacts (main switch)
• Burnt-out headlight (LED) bulb
Headlight bulb burnt out
• Wrong headlight (LED) bulb
• Faulty battery
• Faulty rectifier/regulator
• Improperly grounded circuit
• Faulty main switch
Tail/brake light does not come on
• Too many electrical accessories
• Incorrect connection
• Burnt-out tail/brake light
TROUBLESHOOTING
Tail/brake light bulb burnt out
• Wrong tail/brake light bulb (LED)
• Faulty battery
• Incorrectly adjusted rear brake light switch
• Tail/brake light bulb life expired
Turn signal does not come on
• Faulty turn signal switch
• Faulty turn signal relay
• Burnt-out turn signal bulb
• Incorrect connection
• Damaged or faulty wire harness
• Improperly grounded circuit
• Faulty battery
• Blown, damaged or incorrect fuse
Turn signal blinks slowly
• Faulty turn signal relay
• Faulty main switch
• Faulty turn signal switch
• Incorrect turn signal bulb
Turn signal remains lit
• Faulty turn signal relay
• Burnt-out turn signal bulb
Turn signal blinks quickly
• Incorrect turn signal bulb
• Faulty turn signal relay
• Burnt-out turn signal bulb
Horn does not sound
• Damaged or faulty horn
• Faulty main switch
• Faulty horn switch
• Faulty battery
• Blown, damaged or incorrect fuse
• Faulty wire harness
EAS30848
TROUBLESHOOTING AT THE ABS
WARNING LIGHT
Refer to "BASIC PROCESS FOR TROUBLE-
SHOOTING" on page 8-107.
9-4
TRBL
SHTG