id0903e5806200
| 4 |
Sound jumps |
||
|---|---|---|---|
| Possible DTC |
Using the M-MDS |
B1188:64 |
|
| Without using M-MDS (On-board diagnostic test mode) |
Audio unit |
10:Er07, 22:Er07 |
|
| Car-navigation unit |
Device code 22/error code 07 |
||
|
Possible cause
|
• Defective CD (e.g., cracked, badly bent, rough edges, scratch, dirty CD, condensation)
• Improper audio unit installation (e.g., rattle, loose)
• Inadequate tire pressure
• Audio unit/car-navigation unit (without integrated multi information display) malfunction
|
||
Diagnostic procedure
| STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
• Does the sound jump when the vehicle is stopped?
|
Yes
|
Go to Step 6.
|
|
No
|
Go to the next step.
|
||
|
2
|
• Drive the vehicle.
• Does the sound jump when driving over uneven surfaces?
|
Yes
|
Go to the next step.
|
|
No
|
Go to Step 6.
|
||
|
3
|
• Is the audio unit installed securely?
|
Yes
|
Go to the next step.
|
|
No
|
Install the audio unit securely.
|
||
|
4
|
• Inspect the tire pressure.
• Is the tire pressure normal?
|
Yes
|
Replace the audio unit/car-navigation unit (without integrated multi information display).
|
|
No
|
Go to the next step.
|
||
|
5
|
• Adjust the tire pressure within specification.
• Does the sound jump when driving the vehicle?
|
Yes
|
Replace the audio unit/car-navigation unit (without integrated multi information display).
|
|
No
|
Audio system is normal. Explain repairs to the customers.
|
||
|
6
|
• Replace the CD known to be good.
• Does the sound jump when driving the vehicle?
|
Yes
|
Replace the audio unit/car-navigation unit (without integrated multi information display).
|
|
No
|
Audio system is normal. Explain to the customer that the CD is malfunctioning.
|
||