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ELEC
SIGNALING SYSTEM
EBS01081
4. The park indicator light fails to come on.
YES
NO
YES
NO
YES
NO
1. Parking brake switch
• Check the parking brake switch for conti-
nuity.
Refer to “CHECKING THE SWITCHES”.
• Is the parking brake switch OK?
Replace the parking
brake switch.
2. Wiring
• Check the wiring circuit from the parking
brake switch to ECU (blue/black) and ECU
to meter assembly (yellow/blue).
• Is the wiring circuit properly connect and
without defects?
Properly connect or
repair the wiring cir-
cuit.
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
• 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?
Replace the meter
assembly or ECU.
The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be
repaired.
Y
/
L Br
/
Y B
/
W
Y
/
L Br
/
Y B
/
W
O
/
B
R
/
W
O
/
B
R
/
W
2
1
