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Acura CSX. Manual - part 582

＊２２

＊２３

−

Stereo amplifier connector

Wire color

YES

Navigation

unit connector

Stereo

amplifier

connector

Wire color

YES

23-45

STEREO AMPLIFIER CONNECTOR B (14P)

NAVIGATION UNIT CONNECTOR A (17P)

27. Check for continuity between stereo amplifier

connector B (14P) and body ground according to
the table. Then check for continuity between the
same terminals listed in the table and stereo
amplifier connector B (14P) terminal No. 5 (the
harness shield).

BLU

B11

PNK

Short in the wire between the stereo

amplifier and the navigation unit. Replace the
affected shielded harness.

Go to step 28.

28. Check for continuity between navigation unit

connector A (17P) and stereo amplifier connector B
(14P) according to the table.

B11

PNK

A15

BLU

Go to step 29.

Open in the wire between the navigation unit

and the stereo amplifier. Replace the affected
shielded harness.

Wire side of female terminals

Is ther e continuity?

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＊２４

＊２５

−

Stereo amplifier connector

Wire color

YES

Navigation

unit connector

Stereo

amplifier

connector

Wire color

YES

23-46

Audio System

STEREO AMPLIFIER CONNECTOR B (14P)

NAVIGATION UNIT CONNECTOR A (17P)

29. Check for continuity between stereo amplifier

BLK

B10

WHT

Short in the wire between the stereo

amplifier and the navigation unit. Replace the
affected shielded harness.

Go to step 30.

30. Check for continuity between navigation unit

connector A (17P) and stereo amplifier connector B
(14P) according to the table.

B10

WHT

A11

BLK

Go to step 31.

Open in the wire between the navigation unit

and the stereo amplifier. Replace the affected
shielded harness.

Wire side of female terminals

Is ther e continuity?

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＊２６

＊２７

−

Amplifier connector

Wire color

YES

Navigation

unit connector

Stereo

amplifier

connector

Wire color

YES

23-47

STEREO AMPLIFIER CONNECTOR B (14P)

NAVIGATION UNIT CONNECTOR A (17P)

31. Check for continuity between stereo amplifier

LT GRN

B13

PUR

Short in the wire between the stereo

amplifier and the navigation unit. Replace the
affected shielded harness.

Go to step 32.

32. Check for continuity between navigation unit

connector A (17P) and stereo amplifier connector B
(14P) according to the table.

B13

PUR

A16

LT GRN

Substitute a known-good navigation unit

(see page 23-155), and recheck. If the symptom/
indication goes away, replace the original
navigation unit. If the symptom is still present,
substitute a known-good stereo amplifier and
recheck. If the symptom/indication goes away,
replace the original stereo amplifier (see page
23-83).

Open in the wire between the navigation unit

and the stereo amplifier. Replace the affected
shielded harness.

Wire side of female terminals

Is ther e continuity?

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ＳＮＲ９ＡＮＪＪ１０３００００００００ＦＡＡＴ０９

−

No sound is heard from the speaker(s)
(display is normal) (without navigation)

YES

23-48

Audio System

NOTE:

• Check the vehicle battery condition first.
• Check the connectors for poor connections or loose

terminals.

• Set the fader and balance positions to the center.
• Before performing symptom troubleshooting, do the

power switch will not turn on troubleshooting
(see page 23-36).

• For vehicles with factory installed audio, do the self-

diagnostic function, speaker check (see page 23-25) to
help isolate the speaker.

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

2. Check that the volume button is not set to the MIN

level.

Raise the volume level, and recheck the

function.

Go to step 3.

3. Do the speaker check mode in the self-diagnostic

function (see page 23-25).

Speaker(s) failed the test:

• If at least one speaker is OK, go to step 4.
• If all speakers fail to sound, go to step 7.

Speakers all work, but sound quality is poor:

• If the sound is poor only with AM or FM, go to

poor AM or FM radio reception or interference
(see page 23-32).

• If the sound is poor only with disc.

– Try several known- good disc in the audio unit.
– If the sound quality is normal, the original disc

is faulty.

– If the sound quality is still poor, replace the

audio unit.

• If the sound is poor in all modes, go to sound

quality diagnosis (see page 23-74).

4. Turn the ignition switch to LOCK (0).

5. Remove the speaker(s) with no sound (see page

23-83), and disconnect its connector.

6. Check the speaker 2P connector for a loose or poor

connection.

Go to step 7.

Operation is normal.

7. Make sure the ignition switch is in LOCK (0).

8. Remove the speaker(s) with no sound (see page

23-84), and disconnect its connector.

9. Measure the resistance between terminals No. 1

and No. 2 of the speaker connector.

Go to step 10.

Faulty speaker(s).

10. Remove the audio unit (see page 23-80).

Disconnect audio unit connector A (17P).

NOTE: Eject all the discs before removing the audio
unit to prevent damaging the CD player’s load
mechanism.

Is it at MIN level?

Do any or all of the speaker s f ail to sound?

Reconnect the speaker 2P connector , and r echeck
the symptom; does it still f ail?

Is ther e about 4

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