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3. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler as shown.
Positive tester probe → brown/yellow 1
Negative tester probe → black/white 2
Y/L Br/Y B/W
O/B
R/W
O/B
R/W
Y/L Br/Y B/W
1
2
• Set the main switch to "ON".
• Measure the voltage (12 V) of brown/yel-
low 1 and black/white 2 at the meter
assembly coupler.
• Is the voltage within specification?
YES
Replace the meter
assembly or ECU.
SIGNALING SYSTEM
NO
The
wiring
circuit
from the main switch
to the meter assem-
bly coupler is faulty
and
must
be
repaired.
9 - 44
–
+
ELEC
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Troubleshooting
