1998 ACURA INTEGRA fuse

Gauges (cont'd)
- How the Circuit Works
When the ignition switch is in ON (ll) or START (lll),
battery voltage is supplied through fuse 25 to the
gauges in the gauge assembly.
Speedometer and Odometer
The odometer and speedometer drive circuits
receive pulses lrom the vehicle speed sensor
(VSS). The pulse rate increases as the car
accelerates. The frequency and duration of these
input pulses are measured and displayed by the
speedometer, odometer and tripmeter.
Tachometer ('98-'99 Models)
The tachometer drive circuit receives oulses from
the ignition control module (lCM) in the distributor
assembly. The solid-state tachometer then displays
these pulses as engine speed. For each 200 pulses
per minute from the ignition control module (lCM),
the tachometer displays 100 RPM.
Tachometer ('00 Model)
The tachometer drive circuit receives pulses f rom
the PCM or ECM. The solid-state tachometer then
displays these pulses as engine speed. For each
200 oulses oer minute trom the PCM or ECM the
tachometer displays 1 00 RPM.
Engine Coolant Temperature Gauge and Fuel
Gauge
The engine coolant temperature gauge has two
intersecting coils wound around a permanent
magnet rotor. Voltage applied to the coils, through
fuse 25, generates a magnetic field. The magnetic
field, controlled by the engine coolant temperature
gauge sending unit, causes the rotor to rotate and
the gauge needle to move. As the resistance in the
sending unit varies, current through the gauge coils
changes. The gauge needle moves toward the coil
with the strongest magnetic tield. The fuel gauge
works the same way.
The engine coolant temperature gauge sending
unit's resistance varies from about 137 ohms at low
engine temperature to between 30-46 ohms at high
temperature (radiator fan running).
The fuel gauge sending unit's resistance varies from
about 2-5 ohms at full, to about 110 ohms at empty.
When you turn the ignition switch to LOCK (0), the
gauge remains at the last reading until you turn lhe
ignition switch to ON (ll) or START (lll) again.
Refer to the Service Manual (Section 23, Electrical)
for specific tests or troubleshooting procedures.
81'2

Maintenance Reminder Light
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See VehicleSpeed Sensor(vss)
lgnitionlnp{.rtMaintenancer€mnoarlight conlrol
GfoundVehicle spe€dinput
83

A/T Gear Position Indicator
UNDER.DASHFUSE/RELAYBOXPHOTA 58
POWERTRAIN TRANSMISSION
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Ses PowatDislribution,page 10-5.
See Dashand ConsoleLights
'00 l4odel
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'98'99 [4odels
c430
c558
410S€e Gaug€s,lndicators
See Dashand ConsolaLights
GAUGEASSEMBLY
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Sgs GroundDistributon,pages 'l4{
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See PowerDiBaibution.
89

Wiper/Washer
FUSE 26FF $4PEB t'FRWASHEF \2!Ail--i --------------- r I
S€e PowaDistribution,pags.10.5.
17(RS 10)
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Or< Distribution,page 14'3.
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UNDER-DASHFUSE/RELAYBOXPHO|O 58
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See GroundDistribution,page 14-5.
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BLK
91-1

Rear WiperMasher
UNDER.DASHFUSE/RELAYBOXPHO|A 58
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GRNAiTHf
c442:- - ---J
ALK
LT GFN/BLK
lT GFN/BLK
c504
GFN/AIK
c5r6(ln-line connectort maynot be present in all cars.)GRN/BLK
GFN/6LK
1
GRN/BLK
GFN
5GFN
1
LT GFN/BLK
4
c526
c755
LT GFN/BLK
REARwtNDowWIPERMOTOR
GFN
GFN
GRN
c526
c516
2
8LK
(ln-line connector; maynot be present in all cars.)
c422PHafo 56
c435PHOTO 48
Or-(
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See GroundOistribution,page 1+7.
LTGRN/BIK
4G751
.I COMBINATTONRear I WIPERwtndow : swtTcHwiper/ |Washer ISwltch !I
BLU
BLU/BLK
8(RS 12)
BLU/6LK
2LT GRN/BLK
c302
c3r8
REARwrNDowWASHERMOTOR
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BLK
c435
See Ground Distribution,page 'l4-5.See GroundDiskibution,page 1+3.
BLK?f *'u "* Y f
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PHA|O 11
92

Headlight Switch
--.I UNDER-HOOO
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RED/BLU
FUSE 5L_ HEAO LIGHTNIGH BEAiI10A
FUSE 2IR - IIEAD UGHTIOW BEAI'104
FUSS 4R . NEAD UGH'H|G8 AEAB'loA
UNDER-DASTIFUSE/RELAYBOX
!Jg3i(NotUsed)
REO/BLU
6BED/BLU
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c438
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FED/BLU
FED/BLU
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LEFTHEAD-LIGHTPage110-8
Canada - - -
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c307
.I DRL
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I Page 110-9
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Head. I TroNlloht a LIGHTs; ch ! swrrcHI PHaro 144
I
100
2 | C205

UNDER-DASHFUSE/RELAYBOX
15 Y C551OPTIONCONNECTOR(DASH LTGHTS)
c440't7
FED/BLX
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CRUISECONTROLMAINswtTcHPage 114-1
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REARwtNDowDEFOGGERswtrcHPage 114
CIGARETTELIGHTERPage 114-1
GAUGEASSEMBLYPage 114
(cont'd)
From A onlacing page.
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ToEonnelc page.
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100-1