Checking The Immobilizer System - Yamaha YP250R 2005 Service Manual

EAS00788

CHECKING THE IMMOBILIZER SYSTEM

1. The immobilizer system indicator light does
not come on.
1. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler as shown.
G/L B Dg
Positive tester probe → red/blue 1
Negative tester probe → black 2
• Turn the main switch to "ON".
• Measure the voltage (DC 12 V) at the
meter assembly coupler (wire harness
side).
• Is the voltage within specification?
YES
Replace the meter
assembly.
Y Sb O/W Br/G Br/G Ch
Gy/R
G/R B Gy/B Gy Br R/L
1
2
NO
The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must
repaired.
IMMOBILIZER SYSTEM
be
8 - 63
– +
ELEC