Page 469 - Workshop Manual - Tunland (2017)
P. 469
DIAGNOSTICS - AUDIO SYSTEM 04-331
DEFECT PHENOMENON FORM
Check the table below to find the cause of the problem. The numbers rank the possibility of
the causes. Check each part in this order and replace the part if necessary.
Defect phenomenon Possible Cause Reference
1. Power supply, ground Chapter 04 Audio system - 04
circuit acoustics unit does not work
Acoustics unit does not work
Chapter 04 Audio system -
2. Acoustics unit itself
acoustics unit does not work
Chapter 04 Audio system -
1. In mute mode Speakers make no sound in
any mode
Chapter 04 Audio system -
2. Speaker circuit Speakers make no sound in
Speakers make no sound in any mode
any mode Chapter 04 Audio system -
3. Speakers Speakers make no sound in
any mode
Chapter 04 Audio system -
4. Acoustics unit itself Speakers make no sound in
any mode
Chapter 04 Audio system -
1. Acoustics unit is set up Speakers make poor-quality
improperly
sound in any mode
Chapter 04 Audio system -
Speakers make poor-quality
2. Speaker circuit Speakers make poor-quality
sound in any mode
sound in any mode
Chapter 04 Audio system -
3. Speakers Speakers make poor-quality
sound in any mode
Chapter 04 Audio system -
1. Acoustics unit is set up Speakers make weak sound
improperly
in any mode
Chapter 04 Audio system -
2. Speaker circuit Speakers make weak sound
Speakers make weak sound in any mode
in any mode Chapter 04 Audio system -
3. Speakers Speakers make weak sound
in any mode
Chapter 04 Audio system -
4. Acoustics unit itself Speakers make weak sound
in any mode
