ignition ACURA INTEGRA 1998 Service Repair Manual

lnterlock System
- '98-'99 Models
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STEEBINGLOCK
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KeylnterlockSolenold
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INTERLOCKCONTROLUNIT
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Koy Int6rlockCircuitAllows key inlerlocksolenoid to boenergized unlessshift lever is in "P'
138
f __ --__l pushing lhe ignition key
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- '00 Model
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WHT/GFNSTEERINGLOCK
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POWERTRAINCONTROLMODULE(PCM)
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INTERLOCKCONTROLUNIT
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Prevents shift locksolenoid trom energizingunless brake pedal isdepressed and acceleratorpedal is not depressed.
NOTE| In case of systemmalfunction, the shilt levercan be released bypushing the ignition keyinto the release slot nearthe shift lever
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138-1

lnterlock System
- How the Circuit Works
Key Interlock
Battery voltage is supplied at all times through f use
33 to the key interlock switch. When the key is in
the ignition, battery voltage is supplied to the key
intedock solenoid and the key interlock circuit in the
interlock control unit. When the A/T gear position
switch is in PABK, ground is provided to the key
interlock circuit. This removes ground from the
interlock solenoid, the solenoid is deenergized, and
the key can be removed from the ignition.
Shift Position Interlock
Battery voltage is supplied at all times lrom fuse 52
to the brake switch. With the ignition in ON (ll) or
START (lll), battery voltage is supplied through luse
25 to the shift lock solenoid. When you push the
brake pedal, battery voltage is applied through the
GRN/VVHT wire to the transmission ('98-99 models)
or powertrain ('00 model) control module (TCM or
PCM). lf, at the same time, you do not push the
accelerator pedal, a low voltage signal is sent
through the RED/BLK wire to the TCM or PCM. The
TCM or PCM then applies voltage through the
WHT/RED wire to the shift lock circuit in the
interlock control unit. lf the A,/T gear position switch
is in the PARK position, the shift lock circuit
provides ground to the shift lock solenoid. The
solenoid is then energized, and the shift lever can
be moved from the PARK Dosition.
Refer to the Service Manual (Section 23, Electrical)
for specific tests or troubleshooting procedures.
138-2

Power Mirrors
- How the Gircuit Works
The two outside mirrors are controlled by the power
minor switch. Each mirror has two reversible
motors: one motor moves the mirror uo and down
and the other motor moves the mirror left and right.
The oower mirror switch contains three switches lo
control mirror direction, and two switches to select
the left or right mirror. With the ignition in ON (ll),
battery voltage is supplied to the power mirror
switch. The mirror selector switch directs voltage
from two of the direction switches to either the left
or the right minor. Each direction switch is used for
more than one function.
Mirror Up Operation
With the power mirror switch in the up position,
switch 1 is moved to the A oosition. Switch 1
applies battery voltage to both the left and right
power mirror up/down motors. lf the mirror selector
switch is in the left position, the left up/down motor
is grounded through the mirror selector switch and
switch 2 in the B position to G501 (Sedan) or G502
(Hatchback). lf the right mirror up/down motor is
selected il is also grounded through switch 2 in the
B position.
Mirror Down Operation
With the power mirror switch in the down position,
switches 2 and 3 are moved to the A position.
Switch 2 applies battery voltage to the left or right
power mirror up/down motor as determined by the
mirror selector switch. The selected mirror motor is
grounded through switch I in the B position to G501
(Sedan) or G502 (Hatchback). When switch 2 is
moved to position A, it also applies battery voltage
to the selected mirror lefyright motor. With switch 3
in the A position, battery voltage is supplied to both
sides of the leruright motor so it does not move.
Mirror Left Operation
With the power mirror switch in the left position,
switches 1 and ? ate moved to the A oosition.
Switch 2 applies battery voltage to the left or right
power mirror lefvright motor as determined by the
mirror selector switch. The selected mirror motor is
grounded through switch 3 in the B position to G501
(Sedan) or G502 (Hatchback). When switch 2 is
moved to position A, it also applies battery voltage
to the selected mirror up/down molor. With switch 1
in the A position, battery voltage is supplied to both
sides of the uD/down motor so it does not move.
Mirror Right Operation
With the power mirror switch in the right position,
switch 3 is moved to the A position. Switch 3
applies battery voltage through the mirror selector
switch to the left or right lefvright motor. The
motor is grounded through the mirror selector
switch and switch 2 in the B oosition to G501
(Sedan) or G502 (Hatchback).
Refer to the Service Manual (Section 23, Electrical)
for specific tests or troubleshooting procedures.
141-2