Problem Symptoms Table

HINT:

Use the table below to determine the cause of the problem symptom. The potential causes of the symptom are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Audio Function

Symptom

Suspected area

See page

Noise occurs

1. Proceed to "Noise Occurs"

AV-16

2. Radio Receiver

-

Pressing power switch does not turn on system

1. Proceed to "Pressing Power Switch does not Turn on System"

AV-17

2. Proceed to "Radio Receiver Power Source Circuit"

AV-33

3. Radio Receiver

-

No sound can be heard from speakers

1. Proceed to "No Sound can be Heard from Speakers"

AV-18

2. Proceed to "Speaker Circuit"

AV-28

3. Proceed to "Radio Receiver Power Source Circuit"

AV-33

4. Radio Receiver

-

Sound quality is bad only when CD is played (volume is too low)

1. Proceed to "Sound Quality is Bad Only when CD is played (Volume is too low)"

AV-19

2. Proceed to "Speaker Circuit"

AV-28

3. Radio Receiver

-

CD cannot be ejected

1. Proceed to "CD cannot be ejected"

AV-20

2. Proceed to "Radio Receiver Power Source Circuit"

AV-33

3. Radio Receiver

-

CD cannot be inserted or CD is ejected right after insertion

1. Proceed to "CD cannot be Inserted or is Ejected Right After Insertion"

AV-21

2. Proceed to "Radio Receiver Power Source Circuit"

AV-33

3. Radio Receiver

-

CD sound skips

1. Proceed to "CD Sound Skips"

AV-23

2. Radio Receiver

-

Radio broadcast cannot be received (bad reception)

1. Proceed to "Radio Broadcast cannot be Received (Bad Reception)"

AV-25

Poor sound quality in all modes (low volume)

1. Proceed to "Poor Sound Quality in All Modes (Low Volume)"

AV-27

2. Proceed to "Speaker Circuit"

AV-28

3. Radio Receiver

-

External device sound cannot be heard or sound quality is bad (stereo jack is used)

1. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

AV-31

2. Radio Receiver

1. CHECK RADIO RECEIVER

-e

4

CO

u

2

1

10

CD

8

7

CD

10

9

8

7

6

5

4

3

2

1

20

19

18

17

16

15

14

13

12

11

(a) Disconnect the D10 receiver connector.

(b) Measure the resistance and voltage of the wire harness side connector.

Standard:

Symbols (Terminal No.)

Wiring Color

Terminal Description

Condition

Specified Condition

GND (D10-7) - Body ground

W-B - Body ground

Ground

Always

Below 1 Q

ACC (D10-3) - GND (D10-7)

GR - W-B

ACC power supply

Ignition switch ACC

11 to 14 V

B (D10-4) - GND (D10-7)

L - W-B

Battery power supply

Always

11 to 14 V

Standard:

HINT:

If the results are not as specified, there may be a malfunction in the wire harness. Reconnect the D10 receiver connector. Measure the voltage and resistance of the connector.

Symbols (Terminal No.)

Wiring Color

Terminal Description

Condition

Specified Condition

FR+ (D10-1) - GND (D10-7)

GR - W-B

Sound signals (front right)

Audio system operating

Waveform synchronized with sound output

FL+ (D10-2) - GND (D10-7)

P - W-B

Sound signals (front left)

Audio system operating

Waveform synchronized with sound output

FR- (D10-5) - GND (D10-7)

Y - W-B

Sound signals (front right)

Audio system operating

Waveform synchronized with sound output

FL- (D10-6) - GND (D10-7)

V - W-B

Sound signals (front left)

Audio system operating

Waveform synchronized with sound output

RR+ (D11-1) - GND (D10-7)

R - W-B

Sound signals (rear right)

Audio system operating

Waveform synchronized with sound output

RL+ (D11-2) - GND (D10-7)

B - W-B

Sound signals (rear left)

Audio system operating

Waveform synchronized with sound output

RR- (D11-3) - GND (D10-7)

W - W-B

Sound signals (rear right)

Audio system operating

Waveform synchronized with sound output

RL- (D11-6) - GND (D10-7)

Y - W-B

Sound signals (rear left)

Audio system operating

Waveform synchronized with sound output

ANT (D10-8) - GND (D10-7)

B - W-B

Power source of antenna

Radio switch ON (AM or FM)

11 to 14 V

ARI (D74-15) - GND (D10-7)

R - W-B

Sound signal (Right)

External device playing (When stereo jack adapter used)

Waveform synchronized with sound output

ASGN (D74-16) GND (D10-7)

(Shielded) - W-B

Ground (Shielded)

Always

Below 1 Q

Symbols (Terminal No.)

Wiring Color

Terminal Description

Condition

Specified Condition

ALI (D74-17) - GND (D10-7)

G - W-B

Sound signal (Left)

External device playing (When stereo jack adapter used)

Waveform synchronized with sound output

AUXI (D74-19) - GND (D10-7)

R - W-B

External device connection detection signal

External device connected

Below 1 Q

SPD (D74-3)

W - W-B

Speed signal

Ignition switch ON, drive wheels turned slowly

If the results are not as specified, there may be a malfunction in the wire harness.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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