 |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
Left/right audio power amplifier (N40/3)
Voltage supply
|
9  |
N40/3
 |
 26 |
Disconnect connector from N40/3.
Radio (A2): OFF
|
11 - 14 V
|
Fuse F16 in fusebox F4,
Fuse in N40/3 (Figure 2),
Ground (W6/1 or W7/1),
Wiring,
Values OK:
1.1.
|
| 1.1 |
N40/3
Control voltage from
radio (A2) |
9 |
N40/3
|
8 |
Disconnect connector from N40/3.
Radio (A2): ON
|
11 - 14 V
|
Wiring,
Radio (A2), see - 3.1  23
2.0. |
| 2.0 |
N40/3
Speaker signal from radio (A2)
Left front:
Right front:
Left rear:
Right rear:
(Figure 2) |
10
1
3
4 |
|
|
Disconnect connector from N40/3.
Radio (A2): ON
Adjust volume to maximum. |
> 0.2 V~
Short voltage surges permitted |
Wiring,
Radio (A2), see - 3.1 23
AD82.60 in WIS |
| 3.0 |
Speaker group
Left front door (H4/1) |
9
9
21 |
|
|
Disconnect connector from N40/3.
Connect function generator1) and set a frequency of 100 to
10,000 Hz with a voltage amplitude of 2 V.
Radio (A2): OFF
|
 
The set frequency can be heard via the speakers.
|
Wiring,
H4/1,
Values OK:
N40/3 |
| 4.0 |
Speaker
Left rear door (H4/3) |
15
9
9 |
|
|
Disconnect connector from N40/3.
Radio (A2): OFF
|
1.5 - 2.5
|
Wiring,
H4/3,
Values OK:
N40/3 |
| 5.0 |
Speaker group
Left rear (H4/7) |
12
9
9 |
|
|
Disconnect connector from N40/3.
Radio (A2): OFF
|
1.5 - 2.5
|
Wiring,
H4/7,
Values OK:
N40/3 |
| 6.0 |
Speaker group
Right front door (H4/2) |
9
9
14 |
|
|
Disconnect connector from N40/3.
Connect function generator1) and set a frequency of 100 to
10,000 Hz with a voltage amplitude of 2 V.
Radio (A2): OFF |
The set frequency can be heard via the speakers.
|
Wiring,
H4/2,
Values OK:
N40/3 |
| 7.0 |
Speaker
Right rear door (H4/4) |
17
9
9 |
|
|
Disconnect connector from N40/3.
Radio (A2): OFF
|
1.5 - 2.5
|
Wiring,
H4/4,
Values OK:
N40/3 |
| 8.0 |
Speaker
Right rear (H4/8) |
11
9
9 |
|
|
Disconnect connector from N40/3.
Radio (A2): OFF
|
1.5 - 2.5
|
Wiring,
H4/8,
Values OK:
N40/3 |
| 9.0 |
Acoustimass® bass module (H4/17)
Model 210.2
Bass module speaker 1
Bass module speaker 1 |
11
9
9
12
9
9 |
|
|
Disconnect connector from N40/3.
Radio (A2): OFF |
0.5 - 1.5
0.5 - 1.5
|
Wiring,
H4/17,
Values OK:
N40/3 |
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