RADIO
Fault finding chart
86A
86A - 15V2 MR-372-J84-86A000$792_eng.mif
ALP 2 The radio does not operate when the ON button is pressed
Press the radio's ON button.
Is the display working?
(backlighting)
Yes
Press the radio's ON button.
Is the volume 0 or mute?
Yes
Disconnect the mute control wire from the
hands-free kit (connection 107 D) (see
Wiring diagrams Technical Note, vehicle,
code 692)
No Check the radio fuse
(see Wiring diagrams
Technical Note,
vehicle, code 260).
No
Is the fuse sound?
Yes
Check the continuity of
connections BCP3 and
MA0, (see Wiring
diagrams Technical
Note, vehicle, code 261)
Yes
No
Is the wiring
harness sound?
Yes
Replace the radio.
NoCheck and test whether one of the speaker
tracks has short circuited or earthed from
the disconnected radio connector using
a multimeter, connections 34A to 34H
(see Wiring Diagrams Technical Note,
vehicle, code 189 to 192 and 365 to 366)
Replace the
fuse.
Does the radio
switch on?
Fault solved
Replace the wiring or
repair it if the repair
procedure exists.
RADIO
Fault finding chart
86A
86A - 17V2 MR-372-J84-86A000$792_eng.mif
ALP 3The radio does not switch on automatically
or switches off after 20 minutes
Check that the system is operating correctly.
–Connect the + accessories feed,
–Switch on the radio,
–Cut the + accessories feed; the radio should switch off
–Restore the + accessories; the radio should switch on.
Yes
Has the fault disappeared?
End
No
Check the + accessories feed using a
multimeter.
No
Is there + 12 V on
connection SP2?
Yes
Replace the radio.Check supply fuse 1G (15A)
(code 260).
No
Are the fuses sound?
Yes
Replace the fuse.
Replace the radio.
