1995 ACURA TL lights

Idle Spee d Settin g
Inspection/Adjustmen t
NOTE:
• Befor e settin g th e idl e speed , chec k th e followin g
items:
— Th e MI L ha s no t bee n reporte d on .
— Ignitio n timin g
— Spar k plug s
— Ai r cleane r
— PC V syste m
• (Canada ) Pul l th e parkin g brak e leve r up . Star t th e
engine , the n chec k tha t th e headlight s ar e off .
1 . Star t th e engine . Hol d th e engine at 3,00 0 rp m wit h
no loa d (transmissio n i n o r position ) unti l th e
radiato r fa n come s on , the n le t i t idle .
2 . Connec t a tachometer .
3 . Disconnec t th e IA C valv e connector .
IAC VALV E
4.
5.
Star t th e engin e wit h th e accelerato r peda l slightl y
depressed . Stabiliz e th e rp m a t 1,000 , the n slowl y
releas e th e peda l unti l th e engin e idles .
Check idlin g in no-loa d conditions : headlights , blow -
er fan , rea r defogger , radiato r fan , an d ai r conditione r
ar e no t operating .
Idl e spee d shoul d be :
550 ± 5 0 rp m
(in o r position )
Adjust th e idl e speed , i f necessary, by turnin g th e
idl e adjustin g screw .
NOTE : Afte r adjustin g th e idl e spee d i n thi s step ,
rechec k th e ignitio n timin g (se e sectio n 23 ).
I f i t i s ou t o f spec , g o bac k t o ste p 4 .
IDL E ADJUSTIN G SCRE W
6. Tur n th e ignitio n switc h OFF .
7 . Reconnec t th e 2 P connecto r o n th e IA C valve , the n
d o th e EC M rese t procedure .
8 . Restar t an d idl e th e engine with no-loa d condition s
fo r on e minute , the n chec k th e idl e speed .
NOTE : (Canada ) Pul l th e parkin g brak e leve r up .
Star t th e engine , the n chec k tha t th e headlight s ar e
off.
Idle spee d shoul d be :
700 ± 5 0 rp m
(in o r position )
9 . Idl e th e engin e fo r on e minut e wit h headlight s (Low )
O N an d chec k th e idl e speed .
Idl e spee d shoul d be :
770 ± 5 0 rp m
(in o r position )
10 . Tur n th e headlight s off .
Idl e th e engin e fo r on e minut e wit h heate r fa n switc h
a t H I an d ai r conditione r on , the n chec k th e idl e speed .
Idl e spee d shoul d be :
770 ± 5 0 rp m
(in o r position )
NOTE : I f th e idl e spee d i s no t withi n specification ,
se e Sympto m Char t o n pag e 11-36 .
ProCarManuals.com

Intake Ai r Syste m Emissio
n Contro l Syste m
Intake Ai r Bypas s (IAB ) Contro l
Syste m (cont'd )
Intake Ai r Bypas s (IAB ) Contro l Valv e Testin g
1. Chec k th e IA B contro l valv e shaf t fo r bindin g o r stick -
ing.
2. Chec k th e IA B contro l valv e fo r smoot h movement .
3. Chec k tha t o f th e IA B contro l valv e is i n clos e con -
tac t wit h th e stoppe r whe n th e vacuu m hos e i s dis -
connecte d fro m th e IA B contro l diaphragm .
IAB CONTRO L VALV ESTOPPE R
4.Chec k tha t o f th e IA B contro l valv e is in clos e con -
tac t wit h th e full-clos e scre w whe n yo u appl y 5 1 kP a
(38 0 mmHg , 1 5 inHg ) o f vacuu m to th e IA B contro l
diaphragm .
FULL-CLOS ESCREW(Do no t adjust. )
If an y faul t i s found , clea n th e linkag e an d shaft s wit h
carbureto r cleaner . I f th e proble m stil l exist s afte r clean -
ing , disassembl e th e intak e manifol d an d chec k th e IA B
valv e bod y assembl y (se e sectio n 9 ).
Syste m Descriptio n
The emissio n contro l syste m include s a War m U p Thre e
Wa y Catalyti c Converte r (W U TWC) , a Thre e Wa y Catalyti c
Converte r (TWC) , Exhaus t Ga s Recirculatio n (EGR ) system ,
Positiv e Crankcas e Ventilatio n (PCV ) syste m an d
Evaporativ e Emissio n (EVAP ) Contro l system . Th e emis -
sio n contro l syste m is designe d t o mee t federa l an d stat e
emissio n standards .
Tailpipe Emissio n
Inspectio n
Do no t smok e durin g thi s procedure . Kee p
an y ope n flam e awa y fro m you r wor k area .
1 . Star t th e engine . Hol d th e engin e a t 3,00 0 rp m wit h
no loa d (transmissio n i n o r position ) unti l th e
radiato r fa n come s on , the n le t i t idle .
2 . Connec t a tachometer .
3 . Chec k an d adjus t th e idl e speed , i f necessar y (se e
pag e 11-117 ).
4 . War m u p an d calibrat e th e C O mete r accordin g to th e
mete r manufacturer' s instructions .
5 . Chec k idl e C O wit h th e headlights , heate r blower ,
rea r windo w defogger , coolin g fan , an d ai r condition -
er off .
NOTE : (Canada ) Pul l th e parkin g brak e leve r up .
Star t th e engine , the n chec k tha t th e headlight s ar e
off.
CO mete r shoul d indicat e 0.1 % maximum .
ProCarManuals.com

8.
Set the control shaft to the position, then install

the A/T gear position switch on the control shaft

and install the clamp on the rear cover.

SHIFT CABLE

CONTROL

LEVER

9. Connect the A/T gear position switch connector,

then install the harness stay.

10. Turn the ignition switch ON (II). Move the shift lever

through all gears, and check the A/T gear position

switch synchronization with the A/T gear position

indicator.

11. If the A/T gear position switch does not synchronize

with the A/T gear position indicator, loosen the

bolts securing the A/T gear position switch and

adjust the A/T gear position switch installation.

GAUGE ASSEMBLY

A/T GEAR

POSITION INDICATOR
12. Install the A/T gear position switch cover. Tighten

the bolt on the ATF pan side loosely so that there is

no clearance between the A/T gear position switch

cover and the ATF pan. Then tighten the bolt on the

rear cover side to the specified torque, and tighten

the bolt on the ATF pan side to the specified torque.

6 x 1.0 mm

(Rear cover side)

12 N-m (1.2 kgf-m,

8.7 Ibf-ft)

A/T GEAR POSITION

SWITCH COVER
ATF PAN

6 x 1.0 mm (ATF pan side)

12 N-m (1.2 kgf-m, 8.7 Ibf-ft)

13. Start the engine. Move the shift lever through all

gears, and verify the following:

• The shift lever cannot be moved to the posi-

tion from the position without pushing the

shift lever.

• The engine will not start in any gear, only in the

or position.

• The back-up lights come on when the shift lever

is in the position.ProCarManuals.com

GAUGE ASSEMBLY
UNDER-HOOD FUSE/RELAY BOX

ABS INDICATOR LIGHT
BATTERY

(100 A) FUSE

IG (50 A) FUSE

STOP/ HORN

(20 A) FUSE

UNDER-DASH FUSE/RELAY BOX

UNDER-HOOD ABS FUSE/RELAY BOX

HEATER

CONTROL RELAY

(7.5 A) FUSE

BACK-UP LIGHTS/

METER LIGHTS

(SUN ROOF)

(10 A) FUSE
ECU (ECM)/

CRUISE CONTROL/

EAT ECU

(15 A) FUSE
ABS MOTOR (40 A) FUSE

ABS B1 (20 A) FUSE

ABS B2 (15 A) FUSE
ABS PUMP MOTOR RELAY

UNDER-DASH RELAY BOX
ABS UNIT (10 A) FUSE

REAR FAIL-SAFE RELAY

FRONT FAIL-SAFE RELAYProCarManuals.com

ABS INDICATOR LIGHT
BATTERY

(100 A) FUSE

STOP/ HORN

(20 A) FUSE
IG (50 A) FUSE

UNDER-DASH FUSE/RELAY BOX

UNDER-HOOD ABS FUSE/RELAY BOX

HEATER

CONTROL RELAY

(7.5 A) FUSE

BACK-UP LIGHTS/

METER LIGHTS

(SUN ROOF)

(10 A) FUSE
ECU (ECM)/

CRUISE CONTROL/

EAT ECU

(15 A) FUSE
ABS MOTOR (30 A) FUSE

ABS B1 (20 A) FUSE

UNDER-DASH RELAY BOX
ABS PUMP MOTOR RELAY

ABS UNIT (7.5 A) FUSE

FAIL-SAFE RELAYProCarManuals.com

Relay and Control Unit Locations

Dashboard (cont'd)

ABS FAIL-SAFE RELAY

('97-98 models)

ABS FRONT FAIL-SAFE RELAY

('95 - 96 models)

FOG LIGHT RELAY

BLOWER MOTOR

HIGH RELAY
ABS REAR

FAIL-SAFE RELAY

('95 - 96 models)

UNDER-DASH

RELAY BOX

LOW BEAM

CUT RELAY

(Canada)

POWER MIRROR

DEFOGGER RELAY

(Canada)

ECM
DAYTIME

RUNNING LIGHTS

CONTROL UNIT

(Canada)
BLOWER

MOTOR

RELAY
HORN RELAYProCarManuals.com

Bulb Locations

GAUGE LIGHTS

(1.4
W x 2)

HIGH BEAM INDICATOR LIGHT (1.4 W)

SEAT BELT REMINDER LIGHT (1.4 W)

RIGHT TURN SIGNAL INDICATOR LIGHT (1.4 W)

MALFUNCTION INDICATOR LAMP

(MIL) (1.4
W)

LOW FUEL

INDICATOR LIGHT (3 W)
BRAKE SYSTEM LIGHT (1.4 W)

LEFT TURN SIGNAL INDICATOR LIGHT (1.4 W)

SRS INDICATOR LIGHT (1.4 W)

(On the SRS printed circuit board)

CHARGING SYSTEM LIGHT (1.4 W)

LOW ENGINE OIL PRESSURE

INDICATOR LIGHT (1.4 W)

ABS INDICATOR LIGHT (1.4 W)

DRL INDICATOR

LIGHT (1.4 W) (Canada)

CRUISE LIGHT (2 W)

A/T GEAR POSITION INDICATOR LIGHTS (1.12 W x 7)
GAUGE LIGHTS

(3.4
W x 2)
SAFETY

INDICATOR

LIGHTS

(1.12
W x 6)
GAUGE LIGHTS

(3.4
W x 3)ProCarManuals.com

Brake System Indicator

Parking Brake Switch Test

1. Remove the center console, and disconnect the con-

nector from the switch.

2. Check for continuity between the terminal and body

ground in each switch position according to the table.

BRAKE LEVER

BODY

GROUND

POSITIVE

TERMINAL

NOTE (Canada): If the parking brake switch is OK,

but the brake system indicator does not function,

perform the input test for the daytime running

lights control unit.
Brake Fluid Level Switch Test

1. Remove the reservoir cap. Check that the float

moves up and down freely; if it doesn't, replace the

reservoir cap assembly.

2. Check for continuity between the terminals in each

switch position according to the table.

RESERVOIR CAP

FLOAT

Switch contacts closed

when float drops.

Switch contacts open at

proper fluid level.
UP POSITION
MAGNET
DOWN POSITION

DOWN
UPProCarManuals.com