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ELEC
SIGNALING SYSTEM
EAS00802
5. The oil level warning light fails to come on.
YES
NO
YES
NO
YES
NO
1. Oil level warning light bulb and socket
• Check the oil level warning light bulb and
socket for continuity.
• Are the oil level warning light bulb and
socket OK?
Replace the oil level
warning light bulb,
socket or both.
2. Oil level switch
• Drain the engine oil and remove the engine
oil level switch from the oil pan.
• Check the engine oil level switch for conti-
nuity.
Refer to “CHECKING THE SWITCHES”.
• Is the engine oil level switch OK?
Replace the engine
oil level switch.
3. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler as shown.
Tester positive probe
→
white
1
Tester negative probe
→
black/white
2
• Set the main switch to “ON”.
• Measure the voltage (5 V) of white
1
and
black/white
2
at the meter assembly cou-
pler.
• Is the voltage within specification?
This circuit is OK. The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be
repaired.
R/W
G/WY/L
Lg
Y
Ch
Dg
L
R/G
B/W
Br/R
W
