996 Turbo diagnostic manual — Turbo applicability only / PAGE 747
8004 BOSE external amplifier · Rear loudspeaker channel faulty
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91
911 Turbo (996) PCM 2 / CDR 23
91-109
8004 BOSE external amplifier
Rear loudspeaker channel faulty
Diagnostic conditions
• Ignition on
• PCM2/CDR23 on
!
♦The fault memory status (present/not present) is always updated
when the motor is running.
♦Fault code 8003 is recorded in the PCM2 MMI if the operating
buttons are actuated for longer than ∋≥1 minute'.
♦Deactivate the 'automatic traffic announcement' before perform-
ing the diagnosis on the PCM2. If this is not done, the diagnosis
will abort.
Possible cause of fault
♦Open circuit, high contact resistance or short circuit to B+/
ground in wiring harness
♦Speaker faulty
♦Amplifier faulty
Affected pin
BOSE external amplifier plug A, pin 23, pin 24, pin 26, pin 28.
9101 8004 BOSE external amplifier 91-109 page 1
Printed in Germany – 29, 2002 8004VBlwl
This is a source reference. Confirm exact model applicability in the original material.