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Acura CSX. Manual - part 626

＊０１

ＳＮＲ９Ａ０ＤＪ１０３００００００００ＦＡＡＴ１０

−

Auxiliary input sound is low or cannot be
heard

YES

Navigation unit connector

Wire color

YES

23-217

NAVIGATION UNIT CONNECTOR B (24P)

NOTE:

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

terminals.

• Use auxiliary stereo cables with 3.5 mm ends only.
• Auxiliary accessories may be played on the audio

unit using the auxiliary input.

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

2. Turn on the audio unit or navigation unit and

connect an auxiliary accessory to the auxiliary
input jack.

3. Check the volume operation.

Operation is normal at this time.

Go to step 4.

4. Make sure the auxiliary accessory volume to max.

Go to step 5.

Raise the auxiliary accessory volume is set to

high. Make sure the audio unit volume is turned
down before retesting.

5. Substitute a known-good auxiliary audio accessory

and/or auxiliary stereo cable, and recheck.

Original auxiliary audio accessory or

auxiliary stereo cable is faulty.

Go to step 6.

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

7. Remove the auxiliary jack assembly (see page

23-261), and check that the auxiliary jack assembly
is properly connected.

• With navigation: go to step 8.
• Without navigation: go to step 13.

Reconnect the connector, and recheck the

function.

8. Disconnect auxiliary jack assembly 5P connector.

9. Disconnect navigation unit connector B (24P).

10. Check for continuity between body ground and

navigation unit connector B (24P) according to the
table.

BRN

BLU

B13

YEL

B14

GRN

B15

WHT

Short to body ground in the wire(s) between

the navigation unit and the auxiliary jack assembly.
Replace the affected shielded harness.

Go to step 11.

Wire side of female terminals

Is the sound nor mal?

Is the volume set to high?

Does the auxiliar y audio accessor y oper ate
pr oper ly?

Is the auxiliar y jack assembly connected
pr oper ly?

Is ther e continuity?

08/08/21 14:10:48 61SNR030_230_0220

＊０２

＊０３

−

From terminal

To terminals

YES

Navigation

unit connector

Auxiliary jack

assembly

connector

Wire color

YES

23-218

Audio System

NAVIGATION UNIT CONNECTOR B (24P)

AUXILIARY JACK ASSEMBLY 5P CONNECTOR

NAVIGATION UNIT CONNECTOR B (24P)

11. Check for continuity between navigation unit

connector B (24P) according to the table.

B2 , B3, B13, B14, B15

B3, B13, B14, B15

B13, B14, B15

B13

B14, B15

B14

B15

: Shielded wire

Short in the wire(s) between the navigation

unit and the auxiliary jack assembly. Replace the
affected shielded harness.

Go to step 12.

12. Check for continuity between navigation unit

connector B (24P) and auxiliary jack assembly 5P
connector according to the table.

BRN

BLU

B13

YEL

B14

GRN

B15

WHT

Substitute a known-good auxiliary jack

assembly (see page 23-261), and recheck. If the
symptom/indication goes away, replace the
original auxiliary jack assembly. If the symptom/
indication is still present, replace the navigation
unit (see page 23-355).

Open in the wire(s) between the navigation

unit and the auxiliary jack assembly. Replace the
affected shielded harness.

Wire side of female terminals

Is ther e continuity?

08/08/21 14:10:48 61SNR030_230_0221

０４

０５

−

Audio unit connector

Wire color

YES

From terminal

To terminals

YES

23-219

AUDIO UNIT CONNECTOR B (20P)

13. Disconnect auxiliary jack assembly 5P connector.

14. Disconnect audio unit connector B (20P).

15. Check for continuity between body ground and

audio unit connector B (20P) according to the table.

BRN

BLU

B13

YEL

B14

GRN

B15

WHT

Short to body ground in the wire(s) between

the audio unit and the auxiliary jack assembly.
Replace the affected shielded harness.

Go to step 16.

16. Check for continuity between audio unit connector

B (20P) according to the table.

B4 , B5, B13, B14, B15

B5, B13, B14, B15

B13, B14, B15

B13

B14, B15

B14

B15

: Shielded wire

Short in the wire(s) between the audio unit

and the auxiliary jack assembly. Replace the
affected shielded harness.

Go to step 17.

Wire side of female terminals

Is ther e continuity?

08/08/21 14:10:49 61SNR030_230_0222

＊０４

ＳＮＲ９Ａ０ＤＪ１０３００００００００ＦＡＡＴ１１

−

Audio unit

connector

Auxiliary jack

assembly

connector

Wire color

YES

Audio system sound is weak or distorted
(display is normal)

23-220

Audio System

AUDIO UNIT CONNECTOR B (20P)

AUXILIARY JACK ASSEMBLY 5P CONNECTOR

17. Check for continuity between audio unit connector

B (20P) and auxiliary jack assembly 5P connector
according to the table.

BRN

BLU

B13

YEL

B14

GRN

B15

WHT

Substitute a known-good auxiliary jack

Open in the wire(s) between the audio unit

and the auxiliary jack assembly. Replace affected
shielded harness.

NOTE:

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

terminals.

1. Check for sound in each mode (AM, FM, XM, and

CD).

Intermittent failure. The system is OK at this

time. Check for loose connections at the navigation
unit, audio unit, amplifier, and each speaker.

Speakers all work, sound quality is poor.

• If the sound quality is poor only with the XM

radio, or the XM radio does not function, go to
poor or no sound with XM radio (see page
23-249).

• If the sound quality is poor only with AM or FM

radio, go to poor AM or FM radio reception or
interference (see page 23-196).

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

diagnosis (see page 23-251).

Wire side of female terminals

Is ther e continuity?

Is ther e sound f r om the speaker s, and is the sound
quality nor mal in each mode?

08/08/21 14:10:49 61SNR030_230_0223

Content .. 624 625 626 627 ..