 |
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 14 in fuse and relay
box (F1),
Fuse in N40/3, see Figure 1,
Ground (right A-pillar) (W29/2),
Wiring,
Values OK:
1.1 |
| 1.1 |
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,
Values OK:
2.0
|
| 2.0 |
Left/right audio power amplifier (N40/3)
Loudspeaker signal from
radio (A2)
Left front:
Right front:
|
3
4
|
N40/3
|
5
6
|
Disconnect connector from N40/3.
Radio (A2): ON
Turn volume control to maximum. |
> 0.2 V~
Short voltage surges permitted |
Wiring,
Radio (A2), see 3.1 23,
AD82.60 in WIS
|
| 3.0 |
Speaker 2 (H4/1h2)
of the left front door speaker group (H4/1) |
15
9
9 |
|
|
Provide access to N40/3
Remove passenger side floor board.
Disconnect connector from N40/3.
Radio (A2): OFF
|
1.5 - 2.5 
|
Wiring,
Speaker 2 (H4/1h1),
Values OK:
N40/3
|
| 4.0 |
Speaker 2 (H4/1h2)
of the left front door speaker group (H4/1) |
 |
H4/1h2
|
|
Remove interior door panel.
Measure directly at speaker.
|
7.5 - 8.5
|
Wiring,
Speaker 2 (H4/1h2),
Values OK:
N40/3
|
| 5.0 |
Speaker 1 (H4/2h1)
of the right front door speaker group (H4/2) |
25
9
9 |
|
|
Provide access to N40/3
Remove passenger side floor board.
Disconnect connector from N40/3.
Radio (A2): OFF
|
1.5 - 2.5
|
Wiring,
Speaker 1 (H4/2h1),
Values OK:
Left/right audio power
amplifier (N40/3). |
| 6.0 |
Speaker 2 (H4/2h2)
of the right front door speaker group (H4/2) |
|
H4/2h2
|
|
Remove interior door panel.
Measure directly at speaker.
|
7.5 - 8.5
|
Wiring,
Speaker 2 (H4/2h2),
Values OK:
N40/3
|
| 7.0 |
Left rear speaker
group (H4/7) |
12
9
9 |
|
|
Provide access to N40/3
Remove passenger side floor board.
Disconnect connector from N40/3.
Radio (A2): OFF
|
1.5 - 2.5
|
Wiring,
H4/7,
Values OK:
N40/3
|
| 8.0 |
Right rear speaker
group (H4/8) |
11
9
9 |
|
|
Provide access to N40/3
Remove passenger side floor board.
Disconnect connector from N40/3.
Radio (A2): OFF
|
1.5 - 2.5
|
Wiring,
H4/8,
Nominal values OK:
N40/3 |
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