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Honda Ridgeline. Manual - part 515

＊０５

＊０６

＊０７

−

YES

23-26

Audio System

Symptom Troubleshooting (cont’d)

AUDIO UNIT CONNECTOR E (3P)

RF IN

AUDIO UNIT CONNECTOR E (3P)

AM/FM ANTENNA AMPLIFIER 3P CONNECTOR

RF SH

AUDIO UNIT CONNECTOR E (3P)

RF IN

RF SH

20. Check for continuity between the audio unit

connector E (3P) No. 1 terminal and body ground.

Replace the AM/FM antenna lead and/or

sublead.

Go to step 21.

21. Check for continuity between the audio unit

connector E (3P) No. 2 terminal and the AM/FM
antenna amplifier 3P connector No. 2 terminal.

Go to step 22.

Replace the AM/FM antenna lead and/or

sublead.

22. Check for continuity between the audio unit

connector E (3P) No. 1 and No. 2 terminals.

Replace the AM/FM antenna lead and/or

sublead.

Replace the AM/FM antenna amplifier

(see page 23-62), and recheck. If the reception is
still poor, replace the audio unit (see page 23-57).

Terminal side of female terminals

Is ther e continuity?

＊０１

０２

ＳＪＣ８Ａ００Ｊ１０３００００００００ＦＡＡＴ０３

−

Power switch will not turn ON (No
information display and no sound)

YES

YES
NO

23-27

AUDIO UNIT CONNECTOR A (20P)

GND (BLK)

NOTE:

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

loose terminals.

1. Turn the ignition switch ON (II).

2. Push the power switch ON to see if audio unit turns

ON.

Intermittent failure, the system is OK at this

time.

Go to step 3.

3. Turn the ignition switch OFF.

4. Check the No. 5 (20 A) fuse and No. 32 (7.5 A) fuse

in the under-dash fuse/relay box.

Go to step 5.

Replace the fuse, and recheck.

5. Remove the audio unit (see page 23-57). Check that

the audio unit is properly connected.

Go to step 5.

Reconnect the connector, and recheck the

function.

6. Disconnect the audio unit connector A (20P).

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

7. Turn the ignition switch ON (II).

8. Measure the voltage between the No. 2 and No. 10

terminals of the audio unit connector A (20P) and
body ground.

Go to step 9.

Repair any open in the wire(s) between the

No. 5 (20 A) fuse and No. 32 (7.5 A) in the under-
dash fuse/relay box and the audio unit.

9. Turn the ignition switch OFF.

10. Reconnect the audio unit connector A (20P).

11. Turn the ignition switch ON (II).

12. Measure the voltage between audio unit connector

A (20P) No. 20 terminal and body ground while
pressing and releasing the audio unit power switch
several times.

Replace the audio unit (see page 23-57).

Repair open in the wire between the audio

unit connector A (20P) No. 20 terminal and body
ground (G404).

Wire side of female terminals

Does the audio unit display oper ate pr oper ly, and
does the audio unit sound nor mal?

Ar e the f uses OK ?

Is it connected pr oper ly?

Is ther e batter y voltage?

Is ther e less than 0.1 V ?

０３

ＳＪＣ８Ａ００Ｊ１０３００００００００ＦＡＡＴ０４

ＳＪＣ８Ａ００Ｊ１０３００００００００ＦＡＡＴ０５

−

Radio stays powered with the ignition
switch OFF

No sound is heard from speaker(s) (display is
normal)

YES

23-28

Audio System

Symptom Troubleshooting (cont’d)

AUDIO UNIT CONNECTOR A (20P)

ACC (YEL/RED)

NOTE:

• Check the vehicle battery condition first.
• Always check for aftermarket accessories plugged

into the vehicle accessory power sokets.

1. Turn the ignition switch ON (II).

2. Push the power switch OFF or turn the ignition

switch OFF to see if the audio unit turns OFF.

Operation is normal.

Go to step 3.

3. Turn the ignition switch OFF.

4. Remove the audio unit (see page 23-57).

Disconnect the audio unit connector A (20P).

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

5. Measure the voltage between the No. 2 terminal of

the audio unit connector A (20P) and body ground.

Check for short to power on YEL/RED wire.

Replace the audio unit (see page 23-57).

NOTE:

• Check the vehicle battery condition first.
• Set the fader and balance positions to the center.
• Before doing symptom troubleshooting, do the

power switch will not turn ON troubleshooting
(see page 23-27).

• Always check the connector for poor connections or

loose terminals.

1. Turn the ignition switch ON (II).

2. Turn on the audio unit and check that the volume

button is not set the MIN level.

Raise the volume level, and recheck the

function.

• With navigation: Go to step 2.
• Without navigation: Go to step 3.

3. Check the NAVIGATION MUTE COMMAND.

Cancel the NAVIGATION MUTE MODE by

pressing the voice command back button, and
recheck the function.

Go to step 3.

4. Check to see if there is a specific speaker(s) that has

no sound.

Go to step 5.

Go to step 8.

5. Turn the ignition switch OFF.

Wire side of female terminals

Is the audio unit OF F ?

Is ther e batter y voltage?

Is it at the MIN level?

Is the NAV IGAT ION MUT E MODE set?

Is ther e a specif ic speaker ?

＋

−

＋

−

＋

−

＋

−

＋
−

＊０１

＊０２

−

YES

Speaker

Terminal

Wire color

YES

23-29

AUDIO UNIT CONNECTOR A (20P)

AUDIO UNIT CONNECTOR C (8P)
(Except 1CD type)

6. Check the speaker(s) with no sound for any

damage.

Substitute the speaker and recheck.

Go to step 7.

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

23-59), and disconnect its connector.

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

connection.

Go to step 9.

Operation is normal.

9. Measure the resistance between the No. 1 and

No. 2 terminals of the speaker connector.

Go to step 10.

Faulty speaker(s).

10. Reconnect the speaker, and remove the audio unit

(see page 23-57). Disconnect the audio unit
connector A (20P) and C (8P).

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

11. Measure the resistance between following

terminals of audio unit connector A (20P) according
to table.

Driver’s door speaker,
Left tweeter

A8 (

)

LT GRN

A18 (

)

PUR

Front passenger’s
door speaker,
Right tweeter

A7 (

)

BLU

A17 (

)

RED

Left rear speaker

A6 (

)

BRN/WHT

A16 (

)

RED/YEL

Right rear speaker

A5 (

)

RED/BLU

A15 (

)

YEL

Subwoofer

C4 (

)

YEL/BLK

C5 (

)

LT GRN/

RED

: Except 1CD type

Go to step 12.

Repair open in the wire between the audio

unit and speaker.

12. Disconnect the speaker 2P connector.

(cont’d)

Wire side of female terminals

Is ther e any damage?

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

Is ther e about 4

Is ther e mor e than 4

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