lights ACURA CSX 2006 Service Manual PDF

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22-163
MICU Input Test
UNDER-DASH FUSE/RELAY BOX CONNECTOR E (42P)
BLK RED
GRN WHT
ORN
PNKPUR
WHT
GRY LT BLU UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR G (21P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P) UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P) BLK
BLK BLK
RED
RED
RED ORN
PNK BLK
NOTE:
 The MICU turns on the headlights (high beams) in a dimming mode for the Daytime Running Lights under the following conditions:
– With the ignition switch turned to ON (II)
– The headlight switch OFF
– The parking brake is released (parking brake switch OFF)
 The DRL indicator will come on when one of the headlight (high beams) bulbs is blown, or if the high beam wiring has an open circuit with the daytime running lights ON.
 If the vehicle is equipped with an optional remote control engine start system, the daytime running lights will not function when started with the remote start.
1. Before testing the lighting system, troubleshoot the system using B-CAN System Diagnosis Test Mode A (see page 22-93).
2. Check the No. 12 (10 A), No. 13 (10 A), No. 15 (7.5 A), No. 16 (15 A) , (10 A) , No. 17 (15 A) , (10 A) , No. 18 (20 A), No. 19 (15 A), No. 21 (30 A) , (20 A) , and No. 37 (7.5 A) fuses in the under-dash fuse/relay box. If any fuse
is blown, replace it and go to step 3.
1: With HID
2: Without HID
3. Disconnect under-dash fuse/relay box connectors E, F, G, S, and T. NOTE: All connector views are shown from wire side of female terminals.
(cont’d)
1212
12
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Cavity Wire Test conditionTest: Desired result Possible cause if desired result
is not obtained
22-164Exterior Lights
MICU Input Test (cont’d)
4. Inspect the connector and socket terminals to be sure they are all making good contact.
 If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.
 IftheterminalslookOK,gotostep5.
5. With the connector still disconnected, do these input tests at the following connectors.  If any test indicates a problem, find and correct the cause, then recheck the system.
 If all the input tests prove OK, go to step 6.























E19 RED Under all conditions Connect battery power to terminal
E19:
The taillights, rear side marker
lights, and license plate lights
should come on.Poor ground (G701)
Blown bulb
An open in the wire
F3 RED Under all conditions Connect battery power to terminal F3:
The right front side marker light
and right front parking light
should come on.Poor ground (G201)
Blown bulb
An open in the wire
F4 GRN Under all conditions Connect battery power to terminal F4:
The right headlight (low beam)
should come on.Poor ground (G201)
Blown bulb
Faulty HID unit
An open in the wire
F22 WHT Under all conditions Connect battery power to terminal F22:
The right headlight (high beam)
should come on.Poor ground (G201)
Blown bulb
An open in the wire
G5 RED Under all conditions Connect battery power to terminal G5:
The left front side marker light
and left front parking light should
come on.Poor ground (G301)
Blown bulb
An open in the wire
G15 PNK Under all conditions Connect battery power to terminal G15:
The left headlight (high beam)
should come on.Poor ground (G301)
Blown bulb
An open in the wire
G17 PUR Under all conditions Connect battery power to terminal G17:
The left headlight (low beam)
should come on.Poor ground (G301)
Blown bulb
Faulty HID unit
An open in the wire
: With HID
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22-166Exterior Lights
Combination Light Switch Test/Replacement
A
B
1. Remove the driver’s dashboard lower cover (see page 20- 102).
2. Remove the steering column covers (see page 17-9).
3. Disconnect the 12P connector (A) from the combination light switch (B).
4. Remove the two screws, then slide out the combination light switch.
Terminal side of male terminals
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22-168 Exterior Lights
HID Bulb Replacement
A
C B A
A transient high tension (25,000 V) occurs at the
bulb sockets of the high intensity discharge (HID)
lamps when the combination light switch is turned
ON. It may cause serious electrical shock or
electrocution if you do not observe the cautions.
 Never turn on the combination light switch before fitting the HID bulbs to their bulb sockets
and completing the reassembly of the headlight
assembly.
 Do not service the headlight assembly in wet conditions, such as rain or snow, near a sprinkler
system, or when your hands are wet to prevent
electrocution.
 Do not touch the surface of the HID bulbs with your bare hands and do not stain it with any oils
and fats.
 Do not disassemble the inverter unit and the igniter fats.
 Do not turn on the HID bulb by using a power source other than the battery mounted on your
vehicle.
1. Turn the combination light switch OFF.
2. Do the battery terminal disconnection procedure (see page 22-68).
3. Remove the battery. (left side bulb) 4. Turn the cover (A) 45 ° counterclockwise to remove
it from the headlight assembly.
5. Turn the socket (A) 45 ° counterclockwise to remove it from the bulb (B).
6. Pull the retaining spring (C) away from the bulb then remove the bulb.
7. Install the new bulb in the reverse order of removal. Make sure the notches in the bulb align with the
tabs in the headlight.
8. Install the parts in the reverse order of removal.
9. Do the battery terminal reconnection procedure (see page 22-68).
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µ
µ µ
µ
Special Tools Required
YES
NO YES
NO
22-170Exterior Lights
HID Lamp System Troubleshooting
A
B
A transient high tension (25,000 V) occurs at the
bulb sockets or the high intensity discharge (HID)
lamps when the combination light switch is turned
ON, it may cause serious electrical shock or
electrocution if you do not observe the cautions.
 Never turn on the combination light switch before fitting the HID bulbs to their bulb sockets
and completing the reassembly of the headlight
assembly.
 Do not service the headlights assembly in wet conditions, such as rain or snow, near a sprinkler
system, or when your hands are wet to prevent
electrocution.
 Do not touch the surface of the HID bulbs with your bare hands and do not stain it with any oils
and fats.
 Do not disassemble the inverter unit and the igniter unit.
 Do not turn on the HID bulb by using a power source other than the battery mounted on your
vehicle.
HID bulb test light 07AAJ-S3MA100
NOTE: Before troubleshooting the HID Lamp System,
do the multiplex integrated control system
troubleshooting using B-CAN System Diagnosis Test
Mode A (see page 22-93). 1. Check the No. 16 (15 A), No. 17 (15 A), and No. 21 (30 A) fuses in the under-dash fuse/relay box.
Go to step 2.
Replace the fuse(s), and recheck.
2. Turn the combination light switch OFF.
3. Do the battery terminal disconnection procedure (see page 22-68). 4. Remove the socket from the HID bulb (see page
22-168).
5. Check for corrosion (A) and traces of electrical arcing (B) at the socket mating part.
Go to step 7.
Replace the socket, and recheck.
Ar e f uses OK ? I s t he sock et cor r od ed or bur nt ?
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µ
µ
µ
µ
YES
NO
LEFT HEADLIGHT
RIGHT HEADLIGHT
YES
NO
22-172Exterior Lights
HID Lamp System Troubleshooting (cont’d)
HID UNIT 2P CONNECTOR
LEFT HEADLIGHT (PUR)
RIGHT HEADLIGHT (GRN)
HID UNIT 2P CONNECTOR (LEFT HEADLIGHT)PUR
UNDER-DASH FUSE/RELAY BOX CONNECTOR G (21P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P) HID UNIT 2P CONNECTOR (RIGHT HEADLIGHT) GRN
16. Measure the voltage between the HID unit 2P
connector terminal No. 2 and body ground.
Substitute a known-good HID unit, and
recheck. If the symptom/indication goes away,
replace the original HID unit.
Go to step 17.
17. Disconnect under-dash fuse/relay box connector G (21P) and/or F (34P) .1: Left headlight
2: Right headlight 18. Check for continuity between under-dash fuse/relay
box G (21P) terminal No. 17 or F (34P) terminal
No. 4 and HID unit 2P connector terminal No. 2.
Replace the under-dash fuse/relay box.
Repair an open in the wire between the
under-hood fuse/relay box and the HID unit.
12
Wire side of female terminals
Wire side of female terminalsWire side of female terminals
Wire side of female terminals Wire side of female terminals
Is there battery voltage?
Is there continuity?
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22-173
Headlight Adjustment
A A
7.5 m (25 ft)
A A B
Headlights become very hot during use; do not
touch them or any attaching hardware immediately
after they have been turned off.
Before adjusting the headlights:  Park the vehicle on a level surface.
 Make sure the tire pressures are correct.
 The driver or someone who weighs the same should sit in the driver’s seat.
1. Clean the outer lens so that you can see the center (A) of the headlights. 2. Park the vehicle in front of a wall or a screen (A).
3. Turn the low beams on.
4. Determine if the headlights are aimed properly.
Vertical adjustment:
Measure the height of the headlights (A).
Adjust the cut line (B) to the lights height.
(cont’d)
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22-17422-174 Exterior Lights
Headlight Adjustment (cont’d) Headlight Replacement
U: UP
D: DOWN
A A
D B
C
A
5. If necessary, open the hood and adjust the
headlights to local requirements by turning the
adjusters (A). A transient high tension (25,000 V) occurs at the bulb sockets or the high intensity discharge (HID)
lamps when the combination light switch is turned
ON, it may cause serious electrical shock or
electrocution if you do not observe the cautions.
Do not service the headlights assembly in wet
conditions, such as rain or snow, near a sprinkler
system, or when your hands are wet to prevent
electrocution.
1. Remove the front bumper (see page 20-146).
2. Remove the connectors (A) from the headlight assembly (B).
3. Remove the five bolts, then remove the headlight.
4. Remove the bolt (C) and the corner upper beam (D) from the headlight.
5. Install the headlight in the reverse order of removal.
6. After replacement, adjust the headlight to local requirements.
The illustration is shown from
back side of left headlight.
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22-17422-174 Exterior Lights
Headlight Adjustment (cont’d) Headlight Replacement
U: UP
D: DOWN
A A
D B
C
A
5. If necessary, open the hood and adjust the
headlights to local requirements by turning the
adjusters (A). A transient high tension (25,000 V) occurs at the bulb sockets or the high intensity discharge (HID)
lamps when the combination light switch is turned
ON, it may cause serious electrical shock or
electrocution if you do not observe the cautions.
Do not service the headlights assembly in wet
conditions, such as rain or snow, near a sprinkler
system, or when your hands are wet to prevent
electrocution.
1. Remove the front bumper (see page 20-146).
2. Remove the connectors (A) from the headlight assembly (B).
3. Remove the five bolts, then remove the headlight.
4. Remove the bolt (C) and the corner upper beam (D) from the headlight.
5. Install the headlight in the reverse order of removal.
6. After replacement, adjust the headlight to local requirements.
The illustration is shown from
back side of left headlight.
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’07-08 models ’09 model
FOG LIGHT: 55 W FOG LIGHT: 55 W
22-17522-175
Fog Light Replacement
AB
A A
B
A
1. Remove the fog light cover.
2. Remove the mounting screw from the fog light.
3. Remove the fog light (A) from the front bumper.
4. Disconnect the 2P connector (B) from the fog light.
5. Turn the bulb socket (A) 60 ° counterclockwise to remove it from the housing.
6. Install the fog light in the reverse order of removal.
7. After replacement, adjust the fog lights to local requirements (see page 22-176). 1. Remove the mounting screw from the fog light.
2. Remove the fog light (A) from the front bumper.
3. Disconnect the 2P connector (B) from the fog light.
4. Turn the bulb socket (A) 60 ° counterclockwise to
remove it from the housing.
5. Install the fog light in the reverse order of removal.
6. After replacement, adjust the fog lights to local requirements (see page 22-176).
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