Battery ACURA CSX 2006 Service Repair Manual



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With HDS
22-142 Keyless/Power Door Locks/Security System
Transmitter Test/Replacement
A
NOTE:
 If the doors unlock or lock with the transmitter, but the LED on the transmitter does not come on, the LED
is faulty; replace the transmitter.
 If any door is open, you cannot lock the doors with the transmitter.
 If you unlocked the doors with the transmitter, but do not open any of the doors within 30 seconds, the
doors relock automatically.
 The doors do not lock or unlock with the transmitter if the ignition key is inserted in the ignition switch.
1. Press the lock or unlock button five or six times to reset the transmitter.
 If the locks work, the transmitter is OK.
 If any of the transmitter buttons do not work, replace the transmitter, then do the transmitter
programming registration (see page 22-329).
 If the locks don’t work, go to step 2.
2. Connect the HDS to the data link connector.
3. Select the KEYLESS from the BODY ELECTRICAL menu, then enter the KEYLESS CHECK.
4. Press lock, unlock, trunk, or panic button and check the response on the screen of the HDS.
NOTE: The door lock actuators may or may not
cycle when receiving input from the transmitter.
 If KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, the transmitter is OK. Go
to keyless operation troubleshooting (see page
22-127).
 If DIFFERENT KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, the transmitter is
not registered to the vehicle, if necessary,
reprogram and register the transmitter (see page
22-329).
 If KEYLESS ENTRY TRANSMITTER CODE IS NOT RECEIVED is indicated, go to step 5. 5. Open the transmitter and check for water damage.
 If you find any water damage, replace thetransmitter, then reprogram and register the
transmitter (see page 22-329).
 If there is no water damage, go to step 6.
6. Replace the transmitter battery (A) with a new one, and press lock or unlock button and check the
receive condition on the screen of the HDS.
 If KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, the transmitter is OK.
 If KEYLESS ENTRY TRANSMITTER CODE IS NOT RECEIVED is indicated, go to step 7.
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22-144Keyless/Power Door Locks/Security System
Transmitter Test/Replacement (cont’d)
A
4. Replace the transmitter battery (A) with a new one,
and try to lock and unlock the doors with the
transmitter by pressing the lock or unlock button
five or six times.
 If the doors lock and unlock, the transmitter is OK.
 If the doors don’t lock and unlock, go to step 5.
5. Reprogram and register the transmitter (see page 22-329), then try to lock and unlock the doors.
 If the doors lock and unlock, the transmitter is OK.
 If the doors don’t lock and unlock, substitute a known-good transmitter and recheck (see page
22-329). If still not operating, replace the
immobilizer-keyless control unit.
08/08/21 14:26:07 61SNR030_220_0146
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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.
08/08/21 14:26:09 61SNR030_220_0148
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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)
08/08/21 14:26:53 61SNR030_220_0152
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Without HID
22-152Exterior Lights
Circuit Diagram (cont’d)
G18
G501 BLKSG
T34 E6
G602BLK *3
*2
*1
IG2 HOT in ON (II) GAUGE CONTROL MODULE (TACH)
B-CANPNK
Q6 21
28
ORN
LT GRN
ORN
WHT
IG2
BAT
IGNITION SWITCH
No. 2 (IG) (50 A)
G2
BLK
BLK
BLK
BLK
BLK WHT
G601 E33
F20
PG
BLK
G401 BBACKUP
MICU ORNNo. 4 (H/L) (50 A)
G301 G201 F22
F4
G15
G17
2
2
11
1 2
1
2
G201
G301 GRN WHT
PUR
UNDER-DASH FUSE/RELAY BOX
UNDER-HOOD FUSE/RELAY BOX
PNK
No. 1 (BAT) (100 A)
BATTERY
RIGHT
HEADLIGHT
LEFT
HEADLIGHT MAIN
CIRCUIT
B-CAN
TRANSCEIVER
PARKING
BRAKE SWITCH
(Closed:
Lever pulled)
H1
K1
D4
1
C3
HEADLIGHT
CIRCUIT HEADLIGHT
CIRCUIT
No. 23
(10 A)
No. 21
(20 A) No. 18
(20 A)No. 37
(7.5 A)
No. 17
(10 A) No. 13
(10 A) No. 16
(10 A)No. 12
(10 A)
LOW
(51 W) HIGH
(60 W)
LOW
(51 W)HIGH
(60 W)
08/08/21 14:26:54 61SNR030_220_0154
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TYPE S and ’08 PREMIUM and ’09 models
22-154Exterior Lights
Circuit Diagram - Fog Lights
E33
BLK
BLK PG
F20
E6
T34
SG
BLK BLK BBACKUP
ORN
No. 23 (10 A)
WHT
No. 6 (20 A)
WHT
1 2
BLK
BLK 2
1
RED
RED PNK
1
3 2
4 WHT
WHT
R7
ORN
BLK
PUR
COMBINATION LIGHT SWITCH 12
8
OFF
BATTERY
No. 1 (BAT) (100 A)
UNDER-HOOD FUSE/RELAY BOX
MICU
UNDER-DASH FUSE/RELAY BOX
S5
S14
FOG LIGHT SWITCH
LEFT
FOG LIGHT
(55 W)RIGHT
FOG LIGHT
(55 W)
UNDER-DASH
FUSE/RELAY BOX
FOG LIGHT
RELAY
G1
D4
G19
M9
G2
G601
G401
G602
G501 G201
G301
ON
No. 2 (OP)
(80 A)*1 (60 A)*2
*1: ’07 model
*2: ’08 09 models
08/08/21 14:26:55 61SNR030_220_0156
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22-155
Circuit Diagram - Brake Lights
G16 F31
2 1
LT GRN
LT GRN
LT GRN E34 F30
MICU
2 3 2
1
G701 BLK
BLK
G701
ECM/PCM
LT GRN
LT GRN LT GRN WHT
G701 BLK
WHT
No. 12 (15 A)
BATTERY UNDER-HOOD
FUSE/RELAY BOX
MICU
(Horn circuit)
BRAKE PEDAL
POSITION SWITCH
(Closed: Pedal pressed)
LEFT BRAKE
LIGHT (21 W) HIGH MOUNT
BRAKE LIGHT
(21 W)
UNDER-DASH
FUSE/RELAY BOX
UNDER-DASH
FUSE/RELAY BOX
D8
F25
2 3
LT GRN
BLK
G701
LT GRN
HIGH MOUNT
BRAKE LIGHT
(LED)
(TYPE S model)
(Except TYPE S model) RIGHT BRAKE
LIGHT (21 W)
08/08/21 14:26:55 61SNR030_220_0157
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22-156Exterior Lights
Circuit Diagram - Back-up Lights
F6 D2
D2
BRN
BRN BRN
1 4 BRN
E15
F9
MICU
BLU
BLU
(A/T)
BLK (M/T)
WHT PUR
WHT
G101 G701BLK
BLK
GRN/WHT
1 2
YEL
BLU
IG1
BAT
IGNITION SWITCH
WHT
UNDER-HOOD FUSE/RELAY BOX
No. 2 (IG) (50 A)
No. 1 (BAT) (100 A)
BATTERY
IG1 HOT in ON (II)
and START (III)
UNDER-DASH
FUSE/RELAY
BOX
BACK-UP
LIGHT SWITCH
(On the transmission
housing)
(Closed: In position R)
PCM
TRANSMISSION
RANGE
SWITCH
(Back-up
light switch)
(Closed: In position R ) LEFT
BACK-UP
LIGHT
(16 W)
RIGHT
BACK-UP
LIGHT
(16 W)
UNDER-DASH
FUSE/RELAY BOX
NAVIGATION
UNIT
H1
F7BRN
BRN1
2
1
2No. 10
(7.5 A) No. 10
(7.5 A)*1: ’06 model
*2: ’07 09 models
BLK/RED*1 BLK*2
08/08/21 14:26:56 61SNR030_220_0158
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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
08/08/21 14:26:58 61SNR030_220_0166
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Cavity WireTest condition Test: Desired result Possible cause if desired result is not
obtained
22-165
6. Reconnect the connectors to the under-dash fuse/relay box, and 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, the MICU must be faulty; replace the under-dash fuse/relay box.


































G2 ORN Under all conditions Measure the voltage between
terminal G2 and body ground:
There should be battery voltage.Blown No. 23 (10 A) fuse in the under-
hood fuse/relay box
An open in the wire
G18 WHT Under all conditions Measure the voltage between terminal G18 and body ground:
There should be battery voltage.Blown No. 4 (50 A) fuse in the under-
hood fuse/relay box
An open in the wire
E6 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G602)
An open in the wire
E33 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G601)
An open in the wire
F20 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G401)
An open in the wire
T34 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V.Poor ground (G501)
An open in the wire
S1 ·
S5 ORN
·
BLK Combination light switch OFF Measure the voltage between
terminals S1 and S5:
There should be less than 1 V. Faulty combination light switch
An open in the wire
Combination light switch in any
other position than OFF Measure the voltage between
terminals S1 and S5:
There should be more than 5 V. Faulty combination light switch
A short to ground in the wire
S11 ·
S5 PNK
·
BLK Combination light switch
(Headlight position) ON
Measure the voltage between
terminals S11 and S5:
There should be less than 1 V. Faulty combination light switch
An open in the wire
Combination light switch OFF Measure the voltage between terminals S11 and S5:
There should be more than 5 V. Faulty combination light switch
A short to ground in the wire
S12 ·
S5 RED
·
BLK Combination light switch lever
pulled (Passing)
Measure the voltage between
terminals S12 and S5:
There should be less than 1 V. Faulty combination light switch
An open in the wire
Combination light switch lever
released from passing position Measure the voltage between
terminals S12 and S5:
There should be more than 5 V. Faulty combination light switch
A short to ground in the wire
S13 ·
S5 GRY
·
BLK Combination light switch
(SMALL position) ON
Measure the voltage between
terminals S13 and S5:
There should be less than 1 V. Faulty combination light switch
An open in the wire
Combination light switch OFF Measure the voltage between terminals S13 and S5:
There should be more than 5 V. Faulty combination light switch
A short to ground in the wire
S16 ·
S5 LT BLU
·
BLK Combination light switch
(Dimmer) in high beam position
Measure the voltage between
terminals S16 and S5:
There should be less than 1 V. Faulty combination light switch
An open in the wire
Combination light switch
(Dimmer) in low beam position Measure the voltage between
terminals S16 and S5:
There should be more than 5 V. Faulty combination light switch
A short to ground in the wire
C3 ORN Ignition switch ON (II) Measure the voltage between terminal C3 and body ground:
There should be battery voltage.Faulty ignition switch
An open in the wire
08/08/21 14:26:58 61SNR030_220_0167
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