1998 HONDA INTEGRA Workshop Manual

- Canada
NOTE: Fuse 3l is HOT with lgnition Switch in START (lll) and clutch pedal depressed or A/T gear selector in
PARK (P) or NEUTRAL (N), see Starting System, pages 21 and 21-1.
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71-1

Engine Oil Pressure Indicator Light
lgnition input
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Ses PovrerDistribution,p,age 1G5.
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Englne Oil Pr6guroIndlcator FlasherClrcull
72
o--< Distrtbution,

- How the Circuit Works
The low engine oil pressure indicator light works in
two ways: il flashes continuously following a
momentary loss of engine oil pressure, or it comes
on and stays on with a complete loss of engine oil
oressure,
When the engine first starts, before its oil pressure
rises above 4.3 psi, voltage is applied to the closed
and grounded engine oil pressure switch and the
light comes on to test the bulb.
With the engine running, voltage is applied at the
WHT/BLU wire of the integrated control unit. With
normal engine oil pressure, the engine oil pressure
switch is open and the low oil pressure indicator
light does not come on. lf the engine oil pressure
switch closes momentarily (more than 0.5 seconds)
but then opens again, the YEURED wire at the
integrated control unit will sense ground through the
switch. The integrated control unit will then provide
and remove ground for the low oil pressure indicator
light through the YEURED wire. The light will flash
on and off until you turn the ignition switch off. The
flashing feature will not work until 30 seconds after
initial voltage is applied to the WHT/BLU wire of the
oil pressure indrcator llasher circuit. This delay
keeps the low oil pressure indicator light from
coming on during engine warm-up.
lf engine oil pressure falls below 4.3 psi and does
not increase, the engine oil pressure switch will stay
closed. The low oil pressure indicator light will then
come on and stay on.
Refer to the Service Manual (Section 23, Electrical)
for specific tests or troubleshooting procedures.
72-1

Seat Belt, Lights-on, and lgnition Key Reminders
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seeHeadriohtf*;ffJiil?l' r i I'l"J:i'J:"t switch. - | BEEPER | | llpage 100-1. | \-7l | | ver-eru I GAUGE
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Door Key Seat beltswitch switch swiichinput input input
73
II

Low Fuel Indicator Light
!
--------Jc551
See PowerDistribution,page 10-5.
See Gauges, I ASSEMBLYIndicators
LOW FUELINDICATORLIGHT
lrnl
FUSE 25ffETEF7,5ASee PowerDistribution,page 10-5.
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c505
UNOER.DASHFUSE/RELAYBOX
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Thermlstor
SeeGaugesL-------
FUELTANKUNIT
1

- How the Circuit Works
Do not smoke while working on the fuel system.
Keep open flame away from the work area. Drain
fuel only into an approved container.
A thermistor is mounted in the fuel tank unit. When
the thermistor is cool, its resistance is very high.
When the thermistor is warm, its resistance
decreases. Fuel in the fuel tank transfers heat away
from the thermislor last enough to keep it cool so
the thermistor's resistance stays high and the low
fuel indicator lighl does not come on. When the fuel
level drops below about 2.2 gallons, the thermistor
is no longer immersed in fuel. Without the fuel to
cool it, the thermistor's resistance decreases,
allowing current to flow through the low fuel
indicator light and the thermistor to ground, and lhe
low fuel indicator light comes on.
Refer to the Service Manual (Section 23, Electrical)
for specific tests or troubleshooting procedures.
74-1

lndicators
UNOER.HOOOFUSE/RELAYBOX
UNDER-DASHFUSE/BELAYBOXJ-rr-.rr1----l
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S€e PowerDistribution,pag€ 10-5.
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WHT/GFN - se€ Power-> Distribution,
WHT/GBN
11(RS 10)
WHT/GRN
page 'l0-9.
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i Lrght Indrcator tndrcator Open Indicator
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80

See Dash andConsole Lights
GAUGEASSEMBLY
(cont'd)
80-1
CRUISEcor{TRoL'NDICATONLIGHT
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r.ow ENGTNE IOIL PRESSURE IINDICATORLIGH'
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