Acura CSX. Manual — part 604

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＊１２

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＋

−

−

−

−

Navigation frequently asks for anti-theft
code and/or needs GPS initialization

YES

NO

YES

NO

23-131

NAVIGATION UNIT CONNECTOR A (17P)

B BACK UP (WHT)

NAVIGATION UNIT CONNECTOR A (17P)

ACC RADIO (PUR)

NOTE:

• This is often caused by a loss of battery power, a low

or poor battery condition, or a poor ground.

• Make sure that the correct DVD color and version are

installed.

• Check any official Honda service website for more

service information about navigation system.

1. Measure the voltage between navigation unit

connector A (17P) terminal No. 17 and body ground.

Go to step 2.

Repair open in the wire between the under-

dash fuse/relay box and the navigation unit.

2. Turn the ignition switch to ON (II).

3. Measure the voltage between navigation unit

connector A (17P) terminal No. 14 and body ground.

Go to step 4.

Repair open in the wire between the under-

dash fuse/relay box and the navigation unit.

Wire side of female terminals

Wire side of female terminals

Is ther e batter y voltage?

Is ther e batter y voltage?

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−

−

−

−

YES

NO

YES

NO

OPEN/CLOSE function of the display does
not work

23-132

23-132

Navigation System

NAVIGATION UNIT CONNECTOR A (17P)

RADIO GND
(BLK)

NAVIGATION UNIT CONNECTOR C (12P)

GND (BLK)

4. Measure the voltage between navigation unit

connector A (17P) terminal No. 9 and body ground,
and between navigation unit connector C (12P)
terminal No. 4 and body ground.

Replace the navigation unit (see page 23-155).

Repair open in the wire between the

navigation unit and body ground (G504, G505).

NOTE:

• Check the vehicle battery condition first.
• If the display’s Open/Close button does not work, you

must manually open the display to obtain the client’s
navigation DVD, audio CD, and PC card (see page
23-154).

1. Press the OPEN/CLOSE button.

The system is OK at this time.

Replace the navigation unit (see page 23-155).

Wire side of female terminals

Wire side of female terminals

Is ther e less than 0.1 V ?

Does the display open and/ or close nor mally?

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−

−

−

−

−

−

−

−

−

−

Navigation display will not close

Navigation display does not open or opens
part way

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

23-133

23-133

NOTE: Check the vehicle battery condition first.

1. Check the CD slot. Look for foreign objects, a stuck

CD, a broken or sticking slot.

Go to step 2.

Replace the navigation unit (see page 23-155).

2. Check the PC card.

Go to step 3.

Reseat the card or remove it. If it still won’t

close, replace the navigation unit (see page 23-155).

3. Press the OPEN/CLOSE button.

The system is OK at this time.

Replace the navigation unit (see page 23-155).

NOTE: Check the vehicle battery condition first.

1. Press the OPEN/CLOSE button.

Go to step 2.

Replace the navigation unit (see page 23-155).

2. Press the OPEN/CLOSE button.

The system is OK at this time.

Replace the navigation unit (see page 23-155).

Is the CD slot OK ?

Is the PC car d f ully seated?

Does the display open and/ or close nor mally?

Does the unit beep?

Does the display open nor mally?

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−

−

−

−

−

−

−

−

−

−

Navigation system will not accept security
code

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

23-134

Navigation System

NOTE:

• Check the vehicle battery condition first.
• The system will not operate without the 4-digit

security (anti-theft) code. Follow the this procedure.
(After 10 consecutive tries, you must cycle the key to
continue trying)

• The Navigation System Diagnosis and Core Return

Form is available online, under Job aids, and can be
printed out for recording this information. This
information will help the reman facility determine
what caused the failure.

• Check the connectors for poor connections or loose

terminals.

• Before troubleshooting, make sure you have the anti-

theft codes for the navigation system.

• Verity that the correct navigation unit is installed for

this model. Go into the Diagnostic mode, and use
Version (see page 23-149).

• Make sure that the correct navigation DVD color and

version are installed.

• Check any official Honda service website for more

service information about the navigation system.

1. Go into the System diagnosis menu (see page

23-135), select Unit check, and then Navi ECU. A
brief diagnostic runs for 20 seconds, and the serial
number is displayed.

Go to step 4.

Go to step 2.

2. Remove the navigation unit (see page 23-155).

3. Check the serial number on the label on the

underside of the navigation unit.

Go to step 4.

Replace the navigation unit (see page 23-155).

4. Using the serial number, look up the navigation

security code in the Interactive Network. (click:
Service, Vehicle Information, Anti-Theft code
Inquiry, and then select Navigation from the
Product drop down box). Enter the serial number.

Go to step 5.

Call the Warranty Department to obtain the

code (the telephone number is in the PDI service
bulletin). Then go to step 5.

5. Check that the obtained code works to bypass the

code screen in the navigation system.

The system is OK at this time. Return the

vehicle to the client, and give them the anti-theft
code.

Go to step 6.

6. Try entering four zeros (0000) in place for the code.

Replace the navigation unit (see page 23-155),

and enter Security code is 0000 in the problem
description field of the core return form.

Replace the navigation unit (see page 23-155),

and enter in Won’t take security code (as proof,
enclose the sticker that contains the Serial number
and the Code) in the problem description field of
the core return form.

Is the ser ial number displayed?

Is the ser ial number conf ir med on the under side of
the navigation unit?

Is a 4-digit code displayed on the scr een?

Does the code wor k?

Do the f our zer os wor k to bypass the code scr een?

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