2006 ACURA CSX fuel

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22-316Immobilizer System
Circuit Diagram
LT GRN
PNK R9
F8 LT GRN
28
21
PNK
F24 G2D2
Q1
R12
PNK R6 R16 PNK
BRN/YEL C40
BRN/YEL LG1
LG2
BRN/YEL C44 B-CAN
Q6
G504 BLK
2 1
BRN/YEL IG1
2
YEL MICU
B-CAN
VBU
K-LINE
IGKEYSW
LG
7
BLK
BRN
IG1 C36
BLK/GRN
5
LT BLU
WHT
A44
B1
B36 PG2
PG1
BLK
G101 PNK
BRN
PNK
1
No. 2 (15 A)
WHT
KEY
IMOCD
ECM/PCM UNDER-DASH FUSE/RELAY BOX
ORN IG1
BAT
BLU
No. 23 (10 A)
UNDER-HOOD FUSE/RELAY BOX
No. 2 (IG) (50 A)
BATTERY IGNITION SWITCH
No. 1 (BAT) (100 A)
IMMOBILIZER-KEYLESS CONTROL UNIT6
3 4
PGM-FI
MAIN RELAY 2
(FUEL PUMP)
DATA LINK
CONNECTOR
IGNITION
KEY SWITCH
(Closed: Key inserted)
IG1 HOT in ON (II)
and START (III)
GAUGE CONTROL
MODULE (TACH)
UNDER-DASH
FUSE/RELAY BOX IMMOBILIZER
INDICATOR
(LED)
PARKING
BRAKE
SWITCH
(Closed:
Lever pulled)
UNDER-DASH
FUSE/RELAY
BOX
D4
H1
1: CAN line
: Other communication line
*1: ’06 07 models
*2: ’07 09 models
*3: ’08 09 models
ORN
IMOES UNIT
(Built into the MICU) MICU
BLK*2
IMOCD
BLK/RED*1 BLK*3
08/08/21 14:36:58 61SNR030_220_0318
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How to Troubleshoot
Symptom Troubleshooting of an open Power Supply and Ground Circuit
22-322Immobilizer System
Symptom Troubleshooting Information (cont’d)
Immobilizer
Indicator
Symptom
Line Error Engine StartKey
RegistrationTester
Communication
Keyless Operation
VBU line open
or short Comes on,
then goes off.
Possible
Possible Possible
Impossible
1
IG1 line open
or short Blinking Impossible
Impossible
Impossible
Possible
2
Blinking Impossible Impossible
Possible
Possible
IMOCD line
open or short
3
4 Immobilizer:
Possible
Keyless:
Impossible Impossible
Possible Possible
Comes on,
then goes off.
B-CAN line
open or short
Comes on,
then goes off. Impossible
Impossible
Possible
Possible
5
KEYSW line
short to groundGND (LG) line
open
6
7 (in spite of the key is
in the ignition switch)
Possible
Possible Possible Possible
Comes on,
then goes off.
KEYSW line
open
K-LINE line
open or short
Blinking Impossible Impossible
Impossible ImpossibleImpossible
Cause of
Malfunction
Terminal
No.
NOTE: If the HDS does not communicate with the vehicle, troubleshoot the DLC circuit (see page 11-
204).
1. Do the PGM-FI system DTCs check. If there are any DTCs, troubleshoot the indicated DTC.
2. Do the Body Electrical DTCs check. If there are any DTC, troubleshoot the indicated DTC.
3. Do the system check using the HDS. If there is a system check number, do the troubleshooting for the item indicated (see page 22-326).
4. Check the status log using the HDS. Troubleshoot the line with the highest counts (see page 22-328). If all the lines are ‘‘0’’ zero, the problem may not be caused by the immobilizer system, check for ignition or fuel problems.
NOTE: Once repaired, clear the status log by removing the back up power fuse, or disconnecting the battery.
If a malfunction occurs in the immobilizer circuit for the VBU, IG1 and GND (LG) lines, identify the lines to check with
this table.
08/08/21 14:37:00 61SNR030_220_0324
ProCarManuals.com
DYNOMITE -2009-

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Symptom Diagnostic procedure Also check for
23-98
Navigation System
Symptom Troubleshooting Index
































 








Navigation system stays on the
GPS initialization screen
Symptom Troubleshooting
(see page 23-92) Navigation unit
GPS antenna/cable is disconnected or
damaged
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
Vehicle position icon constantly
leaves road, moves erratically, or
is displayed very far from actual
vehicle position Symptom Troubleshooting
(see page 23-126)
Navigation unit
GPS antenna/cable
PCM (speed and fuel pulses)
Harness/fuses/switches
System always comes up in in-
line diagnostic mode Symptom Troubleshooting
(see page 23-127)
Navigation system will not accept
security code Symptom Troubleshooting
(see page 23-134)Wrong color DVD
Navigation frequently asks for
anti-theft code and/or needs GPS
initialization Symptom Troubleshooting
(see page 23-131)
Loss of voltage or poor ground (G504,
G505)
Navigation unit
Low battery voltage
Harness/fuses/switches
GPS icon is white or not shown Symptom Troubleshooting (see page 23-122) Navigation unit
Aftermarket accessories connected to
the system
The wrong color DVD is installed
The DVD is damaged or dirty
GPS antenna/cable
Harness/fuses/switches
Vehicle icon wanders across the
map when driving (does not
follow a displayed road) or map or
vehicle ICON spins Symptom Troubleshooting
(see page 23-126)
Navigation unit
GPS antenna/cable
ECM/PCM (speed signal)
No picture is displayed Symptom Tr oubleshooting
(see page 23-119) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
Picture has lines/rolls/other issues
or is an odd color Symptom Troubleshooting
(see page 23-120) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Aftermarket accessories connected to
the system
Harness/fuses/switches
Display day/night mode does not
work or does not work properly If you use the display mode
button, the auto day/night
function is disabled until you
turn the ignition switch to ON
(II)
Symptom Troubleshooting
(see page 23-128)Display brightness set to High in day
or night mode
Gauge control module
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
System locks up or freezes
constantly Symptom Troubleshooting
(see page 23-128) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
08/08/21 14:06:26 61SNR030_230_0101
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µ
Glossary
Item Definition
23-109
The following is a glossary of terms pertaining to the Voice Recognition Navigation System.Active noise cancellation
(ANC) The active noise cancellation system cancels some of the vehicle noise. This occurs in the 1,500 2,400 rpm
range. Microphones detect the low frequency sound, and the system outputs a canceling sound from the audio
speaker.
Address Book The HFL system can import a copy of the phone book from and approved HFL compatible phone and display the imported phone book on the navigation screen as the address book. See the Owner’s Manual for more
information.
B-CAN Body CAN Bus (see CAN)
Bread-crumbs (White
dots) Off road tracking dots that can be followed on the map to retrace your route back to a mapped (digitized) road.
This function can be turned on/off in Setup screen 1.
CAN Controller Area Network. This communication network allows processors in the vehicle to send/receive information. The fuel pulses used by the MID trip computer are received from the ECM/PCM using the F-CAN
(Fast Controller Area Network) bus.
CPU Central Processing Unit. The main device within the navigation unit that coordinates the rest of the electronic functions.
CSS Countershaft (Output) Speed Sensor. This sensor reads the output shaft speed at the transmission and provides a speed pulse to the ECM/PCM.
Database This consists of the Map data, and the POI (Points Of Interest) data stored on the DVD.
DBW Drive By Wire. Allows electrical control of the throttle without the need of a mechanical linkage.
DCA Detailed Coverage Area. Main metropolitan areas in the Lower 48 states, and Canada are mapped to this level. See the navigation system manual for a list of these areas.
DTC DTC Diagnostic Trouble Codes. Use HDS tablet to obtain, and troubleshoot the cause of these codes.
Dead reckoning The use of the speed signal, and yaw rate sensor to position the vehicle on the map even when tall buildings, or driving in a tunnel obscures the GPS signal.
Digitized road A road that appears on the navigation screen. The road name appears at the bottom of the navigation screen. If the user drives off road, the navigation system displays not on a digitized road, and after 1/2 mile, the bread-
crumbs appear.
Disclaimer screen Screen containing cautionary information. It is meant to be read carefully and acknowledged by the customer when using the navigation system.
DVD or DVD-ROM Digital Versatile Disk. The navigation program and database resides on this disk. See the Navigation Owner’s Manual for information on how to order a replacement or an update DVD.
ECM Engine Control Module. Typically referred to as the ECM.
FAQ Frequently Asked Questions. See the navigation system manual for a list of the customer FAQs, and troubleshooting information.
F-CAN Fast CAN Bus (see CAN)
GA-NET The GA-NET allows the audio unit to communicate with all the audio and navigation components in a vehicle. If there is an open in the GA-NET, components or the entire audio and navigation system may appear inoperative.
GPS Global Positioning System. A network of 24 satellites in orbit around the earth. The navigation system can simultaneously receive signals from up to 12 satellites to accurately position the vehicle on the map.
HDS Honda Diagnostic System. A hand held tablet PC used for diagnosing vehicle problems. This device can be used to obtain DTC codes for diagnosis of the navigation system and CAN related problems.
HFL HandsFreeLink uses Bluetooth technology as a wireless link between it and an approved Bluetooth compatible cell phone. See the vehicle Owner’s manual or Quick Start Guide for more information.
HIP (AcuraLink) Honda Information Platform (see AcuraLink)
H/U Head Unit. The audio unit in the dash.
Initialization This refers to the period needed to re-acquire the GPS satellite orbital information whenever the navigation system power has been disconnected. This can take from 10 to 45 minutes.
Interface Dial This control device consists of a rotating knob and the buttons surrounding it. This device allows control of the navigation, audio, and climate functions displayed on the screen.
Jog Dial See interface dial.
(cont’d)
08/08/21 14:06:29 61SNR030_230_0112
ProCarManuals.com
DYNOMITE -2009-

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Symptom Diagnostic procedure Also check for
23-276
Navigation System
Symptom Troubleshooting Index
































 








Navigation system stays on the GPS
initialization screen
System Initialization (see page
23-268) Navigation unit
GPS antenna/cable is
disconnected or damaged
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
Vehicle position icon constantly
leaves road, moves erratically, or is
displayed very far from actual
vehicle position Symptom Troubleshooting
(see page 23-344)
Navigation unit
GPS antenna/cable
ECM/PCM (speed and fuel pulses)
Harness/fuses/switches
System always comes up in in-line
diagnostic mode Symptom Troubleshooting
(see page 23-347)
Navigation system will not accept
security code Symptom Troubleshooting
(see page 23-353)The wrong color DVD is installed
Navigation frequently asks for anti-
theft code and/or needs GPS
initialization Symptom Troubleshooting
(see page 23-350)
Loss of voltage or poor ground
(G504, G505)
Navigation unit
Low battery voltage
Harness/fuses/switches
GPS icon is white or not shown Symptom Troubleshooting (see page 23-341) Navigation unit
Aftermarket accessories
connected to the system
The wrong color DVD is installed
The DVD is damaged or dirty
GPS antenna/cable
Harness/fuses/switches
Vehicle icon wanders across the
map when driving (does not follow a
displayed road) or map or vehicle
ICON spins Symptom Troubleshooting
(see page 23-345)
Navigation unit
GPS antenna/cable
ECM/PCM (speed signal)
No picture is displayed Symptom Tr oubleshooting
(see page 23-338) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
Picture has lines/rolls/other issues
or is an odd color Symptom Troubleshooting
(see page 23-339) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Aftermarket accessories
connected to the system
Harness/fuses/switches
Display day/night mode does not
work or does not work properly If you use the display mode
button, the auto day/night
function is disabled until you turn
the ignition switch to ON (II)
Symptom Troubleshooting
(see page 23-348)Display brightness set to High in
day or night mode
Gauge control module
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
System locks up or freezes
constantly Symptom Troubleshooting
(see page 23-348) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
08/08/21 14:15:41 61SNR030_230_0279
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DYNOMITE -2009-

•
Glossary
Item Definition
23-287
The following is a glossary of terms pertaining to the Voice Recognition Navigation System.Active noise cancellation
(ANC) The active noise cancellation system cancels some of the vehicle noise. This occurs in the 1,500 2,400 rpm
range. Microphones detect the low frequency sound, and the system outputs a canceling sound from the
audio speaker.
Address Book The HFL system can import a copy of the phone book from and approved HFL compatible phone and display the imported phone book on the navigation screen as the address book. See the Owner’s Manual for more
information.
B-CAN Body CAN Bus (see CAN)
Bread-crumbs (White dots) Off road tracking dots that can be followed on the map to retrace your route back to a mapped (digitized) road. This function can be turned on/off in Setup screen 1.
CAN Controller Area Network. This communication network allows processors in the vehicle to send/receive information. The fuel pulses used by the MID trip computer are received from the ECM/PCM using the F-CAN
(Fast Controller Area Network) bus.
CPU Central Processing Unit. The main device within the navigation unit that coordinates the rest of the electronic functions.
CSS Countershaft (Output) Speed Sensor. This sensor reads the output shaft speed at the transmission and provides a speed pulse to the ECM/PCM.
Database This consists of the Map data, and the POI (Points Of Interest) data stored on the DVD.
DBW Drive By Wire. Allows electrical control of the throttle without the need of a mechanical linkage.
DCA Detailed Coverage Area. Main metropolitan areas in the Lower 48 states, and Canada are mapped to this level. See the navigation system manual for a list of these areas.
DTC Diagnostic Trouble Codes. Use the HDS tablet to obtain, and troubleshoot the cause of these codes.
Dead reckoning The use of the speed signal, and yaw rate sensor to position the vehicle on the map even when tall buildings, or driving in a tunnel obscures the GPS signal.
Digitized road A road that appears on the navigation screen. The road name appears at the bottom of the navigation screen. If the user drives off road, the navigation system displays not on a digitized road, and after 1/2 mile, the
bread-crumbs appear.
Disclaimer screen Screen containing cautionary information. It is meant to be read carefully, and acknowledged by the customer when using the navigation system.
DVD or DVD-ROM Digital Versatile Disk. The navigation program and database resides on this disk. See the Navigation Owner’s Manual for information on how to order a replacement or an update DVD.
ECM Engine Control Module. Typically referred to as the ECM.
FAQ Frequently Asked Questions. See the navigation system manual for a list of the customer FAQs, and troubleshooting information.
F-CAN Fast CAN Bus (see CAN)
GA-NET The GA-NET allows the audio unit to communicate with all the audio and navigation components in a vehicle. If there is an open in the GA-NET, components or the entire audio and navigation system may
appear inoperative.
GPS Global Positioning System. A network of 24 satellites in orbit around the earth. The navigation system can simultaneously receive signals from up to 12 satellites to accurately position the vehicle on the map.
HDS Honda Diagnostic System. A hand held tablet PC used for diagnosing vehicle problems. This device can be used to obtain DTC codes for diagnosis of the navigation system and CAN related problems.
HFL HandsFreeLink uses Bluetooth technology as a wireless link between it and an approved Bluetooth compatible cell phone. See Vehicle Owner’s manual or Quick Start Guide for more information.
HIP (AcuraLink) Honda Information Platform (see AcuraLink)
H/U Head Unit. The audio unit in the dash.
Initialization This refers to the period needed to re-acquire the GPS satellite orbital information whenever the navigation system power has been disconnected. This can take from 10 to 45 minutes.
Interface Dial This control device consists of a rotating knob and the buttons surrounding it. This device allows control of the navigation, audio, and climate functions displayed on the screen.
Jog Dial See interface dial.
(cont’d)
08/08/21 14:15:44 61SNR030_230_0290
ProCarManuals.com
DYNOMITE -2009-