light ACURA CSX 2006 Service Repair Manual

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22-118Keyless/Power Door Locks/Security System
Circuit Diagram (cont’d)
 
G18
HORN
LT GRN
G7
G16
T26
PNK
BRN
G602BLK8
10
5
7
BLK
G602
BRN
GRY T25
BLU/BLK GRN
F27
5
1
BLK
G101
E2
GRY
*4
E17
BRN
*3
E3
LT GRN
*2
*1
GRN
E37
G504 BLK
2 1
PNK
R6
PNK R16 WHT
WHT
MICU No. 4 (H/L) (50 A)
(UNDER-HOOD
FUSE/RELAY BOX)
PARKING
LIGHTS LEFT/RIGHT
HEADLIGHTS
(LOW BEAM)
UNDER-DASH
FUSE/RELAY BOX No. 12 (15 A) FUSE
(UNDER-HOOD
FUSE/RELAY BOX)
IMMOBILIZER-
KEYLESS
CONTROL UNIT IGNITION
KEY
SWITCH
(Closed:
Key inserted) TRANSMISSION
RANGE SWITCH
(Closed:
In position P)
UN-
LOCKLEFT
REAR
DOOR
LOCK
KNOB
SWITCH RIGHT
REAR
DOOR
LOCK
KNOB
SWITCH
UN-
LOCK
SIDE
MARKER
LIGHTS
(A/T)
1111
1
No. 19
(15 A)No. 15
(7.5 A) No. 21
(30 A)*5
(20 A)*6No. 17
(15 A)*5
(10 A)*6No. 16
(15 A)*5
(10 A)*6
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22-119
9 4
G505 BLK Q4
GRN
BLU
BLU
2 3
BLK
G701 BLU
G13
BLK
G401 2
1
LT BLU GRN
1
A
MICU
HOOD
SWITCH
(Closed:
Hood open) TRUNK LID
RELEASE
ACTUATOR/
TRUNK LID
LATCH SWITCHTRUNK
LIGHT UNDER-DASH FUSE/RELAY BOX
AUDIO
UNIT
or
NAVIGATION
UNIT
E36
E20
*1: DRIVER’S DOOR SWITCH (Closed: Door open)
*2: FRONT PASSENGER’S DOOR SWITCH (Closed: Door open)
*3: LEFT REAR DOOR SWITCH (Closed: Door open)
*4: RIGHT REAR DOOR SWITCH (Closed: Door open)
*5: With HID
*6: Without HID
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µ
µ
µ
µ
µ
µ µ
µ
µ
µ
µ
µ
µ
µ
Doors will not unlock (or lock) with the
transmitter, but will unlock (lock) with the
door switch The horn does not sound and/or the
headlights do not flash when the PANIC
button on the transmitter is pressed
YES
NO
YES
NO
YES
NO YES
NO
YES
NO
YES
NO
YES
NO
22-12922-129
NOTE: Before troubleshooting, check the B-CAN DTCs.
If any DTC is indicated, troubleshoot the indicated DTC
first.
1. Turn the ignition switch to LOCK (0).
2. Remove the ignition key from the ignition switch.
3. Close and lock the doors.
4. Try to lock/unlock the doors with the keyless transmitter.
Intermittent failure. The system is OK at this
time.
Go to step 5.
5. Open the driver’s door.
Faulty ignition key switch, or short to ground
on the ignition switch PNK wire. Repair as
necessary.
Go to step 6.
6. Do the transmitter test (see page 22-142).
Substitute a known-good MICU and
recheck.
Replace the transmitter (see page 22-142). NOTE: Before troubleshooting, check the B-CAN DTCs.
If any DTC is indicated, troubleshoot the indicated DTC
first.
1. Press the PANIC button.
Go to step 3.
Go to step 2.
2. Press the horn button.
Go to step 3.
Check the horn circuit.
3. Turn the headlight switch ON.
Go to step 4.
Check the lighting circuit.
4. Do the transmitter test (see page 22-142).
Substitute a known-good MICU and
recheck.
Replace the transmitter (see page 22-142).
Do t he d oor l ock act uat or s w or k nor mal l y ?
Does t he k ey -i n r emi nd er chi me sound ?
Is the transmitter OK ? Does t he hor n sound ?
Does t he hor n sound ?Do t he head l i ght s come on?Is the transmitter OK ?
08/08/21 14:26:04 61SNR030_220_0131
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µ
µ
µ
Doors automatically relock 30, 60, or 90
seconds after being unlocked with the
transmitter even though a door has been
opened
YES
NO
YES
NO
22-13022-130 Keyless/Power Door Locks/Security System
Symptom Troubleshooting (cont’d) Tripped Sensor History
1. Turn the ceiling light switch in DOOR position.
2. Turn the ignition switch to ON (II).
3. Close all doors.
4. Watch the ceiling light and the
door indicator on
the gauge control module.
Go to step 5.
Repair a short to ground in the wire between
the MICU and door switch.
5. Open and close each door one at a time.
6. Watch the ceiling light and the door indicator on
the gauge control module.
Substitute a known-good MICU and recheck.
If the symptom goes away, replace the original
MICU (see page 22-66).
Repair an open in the wire between the MICU
and the door switch. If the wire is OK, faulty the
door switch, replace the door lock actuator
assembly. The security system stores information on the last
tripped sensor if the security system has been violated.
The information can be retrieved using the HDS.
To retrieve the last tripped sensor data:
1. Select HISTORY DATA from the security system test mode menu.
2. Select CURRENT DATA.
3. Confirm that the VIN matches the Vehicle then press the enter button.
4. Scroll through the data list.  Sensors that were violated will indicate DETECT.
 Sensors that were not violated will indicateNONE.
5. Inspect the DETECT circuit for:  Misadjusted or damaged switch.
 Loose or corroded connections.
 Intermittent short to ground.
Do the ceiling light and door indicator go of f ?
Do the ceiling light and door indicator come onw hen t he d oor i s open, and go of f w hen t he d oor i sclosed?
08/08/21 14:26:04 61SNR030_220_0132
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)µ
µ
µ
µ
Doors automatically relock 30, 60, or 90
seconds after being unlocked with the
transmitter even though a door has been
opened
YES
NO
YES
NO
22-13022-130 Keyless/Power Door Locks/Security System
Symptom Troubleshooting (cont’d) Tripped Sensor History
1. Turn the ceiling light switch in DOOR position.
2. Turn the ignition switch to ON (II).
3. Close all doors.
4. Watch the ceiling light and the
door indicator on
the gauge control module.
Go to step 5.
Repair a short to ground in the wire between
the MICU and door switch.
5. Open and close each door one at a time.
6. Watch the ceiling light and the door indicator on
the gauge control module.
Substitute a known-good MICU and recheck.
If the symptom goes away, replace the original
MICU (see page 22-66).
Repair an open in the wire between the MICU
and the door switch. If the wire is OK, faulty the
door switch, replace the door lock actuator
assembly. The security system stores information on the last
tripped sensor if the security system has been violated.
The information can be retrieved using the HDS.
To retrieve the last tripped sensor data:
1. Select HISTORY DATA from the security system test mode menu.
2. Select CURRENT DATA.
3. Confirm that the VIN matches the Vehicle then press the enter button.
4. Scroll through the data list.  Sensors that were violated will indicate DETECT.
 Sensors that were not violated will indicateNONE.
5. Inspect the DETECT circuit for:  Misadjusted or damaged switch.
 Loose or corroded connections.
 Intermittent short to ground.
Do the ceiling light and door indicator go of f ?
Do the ceiling light and door indicator come onw hen t he d oor i s open, and go of f w hen t he d oor i sclosed?
08/08/21 14:26:04 61SNR030_220_0132
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22-14622-146 Horns
Circuit Diagram
Horn Test/Replacement
F31 G16
G7
Q3
HORN
* : Ground through steering column. * MICU
ORN LT GRN (15 A) No. 12
WHT
WHT BATTERY
UNDER-DASH
FUSE/RELAY BOX
BRAKE
LIGHTS
CABLE
REEL
HORN
SWITCH UNDER-HOOD
FUSE/RELAY BOX
D8
10 3
11A B
AB
1. Remove the front bumper (see page 20-146).
2. Disconnect the 1P connector (A) from the horn (B).
3. Test the horn by connecting battery power to the
terminal (A) and grounding the bracket (B). The
horn should sound.
4. If it fails to sound, replace it.
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22-148Exterior Lights
Component Location Index
DAYTIME RUNNING LIGHTS CIRCUIT
(Built into the MICU)
HEADLIGHT
FRONTSIDEMARKERLIGHT
FRONT PARKING LIGHT
FRONT TURN SIGNAL LIGHT FRONT SIDE TURN SIGNAL LIGHTS
HID UNIT
*1: With HID
*2: TYPE S and ’08 PREMIUM and ’09 models FOG LIGHT RELAY
FOG LIGHT TRANSMISSION RANGE SWITCH (A/T)
BACK-UP LIGHT SWITCH (M/T)
HIGH MOUNT BRAKE LIGHT
(Except TYPE S models) LICENSE PLATE LIGHTS
INNER TAILLIGHT
TAILLIGHT and BRAKE LIGHT
REAR TURN SIGNAL LIGHT BACK-UP LIGHT
REAR SIDE MARKER LIGHT
*1 *2
*2
Input Test, page 22-163
HID Bulb Replacement , page 22-168
Adjustment, page 22-173
Replacement, page 22-174
Bulb Replacement, page 22-177
Bulb Replacement, page 22-177
Bulb Replacement, page 22-178
Bulb Replacement, page 22-178 Replacement, page 22-192
HID Lamp System Troubleshooting, page 22-170
Replacement, page 22-169
Test, page 22-70
Replacement, page 22-175
Adjustment, page 22-176 Test, page 14-265
Test,
 5-speed, page 13-5
 6-speed, page 13-83
Replacement, page 22-180 Replacement, page 22-180
Replacement, page 22-179
Replacement, page 22-179
Replacement, page 22-179 Replacement, page 22-179
Replacement, page 22-179
*1
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22-149
HIGH MOUNT BRAKE LIGHT
(TYPE S model)
HIGH BEAM INDICATOR
LIGHTS-ON INDICATOR
COMBINATION LIGHT SWITCH
BRAKE PEDAL POSITION SWITCH
FOG LIGHT INDICATOR
(TYPE S and ’08 PREMIUM and ’09 models)
DRL INDICATOR Replacement, page 22-181
Test/Replacement, page 22-166
Test, page 22-181
Adjustment, page 19-6
08/08/21 14:26:52 61SNR030_220_0151
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With HID
22-150Exterior Lights
Circuit Diagram
BATTERY
No. 1 (BAT) (100 A)
UNDER-HOOD FUSE/RELAY BOX
No. 4 (H/L) (50 A)
ORN No. 2 (IG) (50 A)
WHT
IGNITION SWITCH
BATIG2
WHT
ORN
IG2 HOT in ON (II)
G18 28 21
Q6
PNK
GAUGE CONTROL MODULE (TACH)
*1 *2 *3
LT GRNORN B-CAN
T34
G501 BLK
LO (35 W)
HID UNIT HID UNIT
LO (35 W)
G2
BLK
BLK
BLK
BLK
BLK BLK SG
E6
G602 G601 E33
F20
PG
BLK
G401 BBACKUP
MICU
G301 G201 F22
F4
G15
G17
2
2
11
1 2
1 2
G201
G301 GRN WHT
PUR
UNDER-DASH FUSE/RELAY BOX
PNK PARKING
BRAKE SWITCH
(Closed:
Lever pulled)B-CAN
TRANSCEIVER
MAIN
CIRCUIT
LEFT
HEADLIGHT RIGHT
HEADLIGHT
H1
K1
D4 C3
1
HEADLIGHT
CIRCUIT
HEADLIGHT
CIRCUIT
No. 37
(7.5 A)
No. 18
(20 A)
No. 21
(30 A)
No. 23
(10 A)
No. 17
(15 A)No. 13
(10 A) No. 16
(15 A)
No. 12
(10 A)
HIGH
(60 W) HIGH
(60 W)
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22-151
1
BLK
G301 2
RED
RED RED RED
2 1
G201 BLK 1
2
2
4
G701
G701 MICU
9
1
2
RED RED
BLK BLK S1
ORN
BLK BLK BLK
BLK
BLK
BLK
BLK RED
RED
RED
RED S5
S11
S13
S12
S16
BLK
PNK
GRY
RED
LT BLU
G701
E19
RED
F3
RED
G201 RED
G301 BLK
G701
G701 G701
1
2
1
24
2 2
12
1 1
2
RED
G5
12
(
()
1011
6
4
)
OFF
LO
HI
DIMMER PASSING
COMBINATION LIGHT SWITCH :CANline
UNDER-DASH FUSE/RELAY BOX
LEFT
FRONT
SIDE
MAKER
LIGHT
(2 CP) RIGHT
FRONT
SIDE
MARKER
LIGHT
(2 CP) LEFT
TAILLIGHT
(5 W)
RIGHT
TAILLIGHT
(5 W)LEFT
REAR
SIDE
MARKER
LIGHT
(3 CP)RIGHT
REAR
SIDE
MARKER
LIGHT
(3 CP) RIGHT
INNER
TAILLIGHT
(5 W)
LEFT
INNER
TAILLIGHT
(5 W) LICENSE
PLATE
LIGHTS
(5 Wx2)
RIGHT
FRONT
PARKING
LIGHT
(3 CP)
LEFT
FRONT
PARKING
LIGHT
(3 CP)
*1: HIGH BEAM INDICATOR (LED)
*2: LIGHTS-ON INDICATOR (LED)
*3: DRL INDICATOR (LED)
No. 15
(7.5 A)
No. 19
(15 A)
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