AV-114
TELEPHONE
Revision: 2006 November2007 350Z
Symptom ChartNKS0056K
Indicator
statusSymptom Check item Diagnosis procedure
ON
(Normal)Voice is not heard on the
other end.—
Check the TEL microphone signal circuit
between TEL adapter unit to the TEL
microphone.
Check the TEL microphone power sup-
ply circuit between TEL adapter unit to
the microphone.
Voice guidance does not
activate, or the volume of
voice guidance is too low
when pressing switch.
(“PHONE” is indicated on
LCD screen of the audio
unit)—Check TEL voice signal circuit between
TEL adapter unit to the audio unit.
Voice guidance does not
activate, when pressing
switch. (“PHONE” is not indi-
cated on LCD screen of the
audio unit)Dial the cellular phone. The front speaker
RH outputs a dial tone.1. Check “VOLUME UP” and “SEEK UP”
switches function.
2. Replace steering switch, if “VOLUME
UP” and “SEEK UP” switches function is
normal. If not, go to 3.
3. Check if remote control signal A circuit
between steering switch and TEL
adapter unit is not open or short.
4. Check voltage of remote control signal A
between steering switch and TEL
adapter unit when operating steering
switch.
Dial the cellular phone. The front speaker
RH does not outputs a dial tone.1. Check TEL ON signal circuit. Go to the
next step if normal.
2. Disconnect TEL adapter unit connector.
Measure audio unit #28 terminal volt-
age. Replace TEL adapter unit if the
voltage approx. 5 V. Replace audio unit
if the voltage approx. 0 V.
None of the steering switch
operations work.—
Check control signal 1circuit.
Check steering switch signal ground cir-
cuit.
OFFBluetooth
® communication
does not perform.The indicator blinks for approx. 5 sec.
when pressing switch.Perform the error history mode with self-
diagnosis. Refer to AV- 111 , "
Self-Diagno-
sis Function" .
The indicator continue turning OFF when
pressing switch.Check TEL adapter unit power supply, and
ground circuit.
