2007 INFINITI M35 Audio

DIAGNOSIS SYSTEM
AV-97
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2007 April2007 M35/M45
VEHICLE CAN DIAGNOSIS

CAN communication status and error counter is displayed.

Error counter displays 0 if any malfunction is not detected in the
past. If the malfunction is detected, it displays 40. When turning
the ignition switch ON, if it is normal, it displays 39. The lower
limit of the counter is 1.

If it is reset, the error counter is deleted.
NOTE:
“???” indicates “UNKWN”.
AV COMM DIAGNOSIS

Displays the communication condition between AV (NAVI) con-
trol unit (master unit) and each unit and between audio unit
(sub-master unit) and each unit.

Error counter displays 0 if any malfunction is not detected in the
past. If the malfunction is detected, it displays 40. When turning
the ignition switch ON, if it is normal, it displays 39. The lower
limit of the counter is 1.

If it is reset, the error counter is deleted.
ITM: AV (NAVI) control unit
NOTE:
“???” indicates “UNKWN”.Items Display (Current)Error counter
(Past)
Tx (HVAC) OK /??? 0 - 40
Rx (ECM) OK /??? 0 - 40
Rx (Cluster) OK /??? 0 - 40
Rx (BCM) OK /??? 0 - 40
Rx (HVAC) OK /??? 0 - 40
Rx (USM) OK /??? 0 - 40
Rx (TPMS) OK /??? 0 - 40
SKIB3666E
ItemsStatus
(Current)Counter
(Past)
C Tx (ITM-PrimarySW) OK /??? 0 - 40
C Rx (PrimarySW-ITM) OK /??? 0 - 40
C Rx (STRG SW-ITM) OK /??? 0 - 40
C Rx (RrSeatSW-ITM) OK /??? 0 - 40
C Rx (Audio-ITM) OK /??? 0 - 40
C Rx (Amp-ITM) OK /??? 0 - 40
C Rx (RearCamera-ITM) OK /??? 0 - 40
C Rx (DVD-ITM) OK /??? 0 - 40
C Rx (Amp-Audio) OK /??? 0 - 40
C Rx (DVD-Audio) OK /??? 0 - 40SKIB3667E

DIAGNOSIS SYSTEM
AV-103
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
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Revision: 2007 April2007 M35/M45
5. Select diagnosis item on “SELECT DIAG MODE” screen.
SELF-DIAG RESULTS
The self-diagnosis is started and self-diagnostic results are dis-
played by touching “START” after selecting “SELF-DIAG RESULTS”.

In CONSULT-II self-diagnosis, self-diagnostic results and error
history are displayed collectively.

The current malfunction indicates “CRNT”. The past malfunction
indicates “PAST”.

If DTC [U1000], [U1300] are detected, “0” is displayed at “TIME”.
If it is normal the next time ignition switch is ON of next time, add
1 to the “TIME”.
Display Item of SELF-DIAG RESULTS
Self-diagnostic results may be displayed simultaneously according to the cause. If some error items are dis-
played simultaneously, the detection of the cause can be performed by the combination of display items
BCIA0031E
SKIB3674E
Error item Description Possible cause/Action to take
CAN COMM CIRCUIT [U1000]CAN communication malfunction is
detectedPrint out the self-diagnostic results and go to
LAN-42, "
Precautions When Using CONSULT-
II" .
CONTROL UNIT (CAN) [U1010]CAN initial diagnosis malfunction is
detectedReplace AV (NAVI) control unit
Refer to AV-131, "
AV (NAVI) Control Unit" .
CONTROL UNIT (AV) [U1310]AV communication circuit initial diagno-
sis malfunction is detectedReplace AV (NAVI) control unit
Refer to AV-131, "
AV (NAVI) Control Unit" .

AV COMM CIRCUIT [U1300]

SWITCH CONN [U1240]

DVD DECK CONN [U1248]

AUDIO H/U CONN [U1249]

AMP CONN [U124E]

REAR CAMERA CONN [U1252]Malfunction is detected on communi-
cation circuit between AV (NAVI) con-
trol unit and DVD player

Communication circuit between AV (NAVI)
control unit and DVD player

AV ( N AV I ) c o n t r o l u n i t

DVD player

AV COMM CIRCUIT [U1300]

SWITCH CONN [U1240]

AUDIO H/U CONN [U1249]

AMP CONN [U124E]

REAR CAMERA CONN [U1252]BOSE surround 5.1ch system

Malfunction is detected on communi-
cation circuit between DVD player
and multifunction switch

Communication circuit between DVD player
and multifunction switch

DVD player

Multifunction switch
BOSE 2ch system

Malfunction is detected on communi-
cation circuit between AV (NAVI)
control unit and multifunction switch

Communication circuit between AV (NAVI)
control unit and multifunction switch

AV ( N AV I ) c o n t r o l u n i t

Multifunction switch

AV COMM CIRCUIT [U1300]

AUDIO H/U CONN [U1249]

AMP CONN [U124E]

REAR CAMERA CONN [U1252]Malfunction is detected on communi-
cation circuit between multifunction
switch and camera control unit

Communication circuit between multifunction
switch and camera control unit

Multifunction switch

Camera control unit

AV-104
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
DIAGNOSIS SYSTEM
Revision: 2007 April2007 M35/M45

AV COMM CIRCUIT [U1300]

AUDIO H/U CONN [U1249]

AMP CONN [U124E]Base system

Audio unit power supply and ground
circuit malfunction is detected

Malfunction is detected on communi-
cation circuit between multifunction
switch and audio unit

Malfunction is detected on communi-
cation signal between audio unit and
AV (NAVI) control unit

Audio unit power supply and ground circuit

Communication circuit between multifunction
switch and audio unit

Multifunction switch

Audio unit

AV (NAVI) control unit
BOSE system

Malfunction is detected on communi-
cation circuit between camera con-
trol unit and BOSE amp

Communication circuit between camera con-
trol unit and BOSE amp

Camera control unit

BOSE amp

AV COMM CIRCUIT [U1300]

AUDIO H/U CONN [U1249]

Audio unit power supply and ground
circuit malfunction is detected

Malfunction is detected on communi-
cation circuit between BOSE amp
and audio unit

Malfunction is detected on communi-
cation signal between audio unit and
AV (NAVI) control unit

Audio unit power supply and ground circuit

Communication circuit between BOSE amp
and audio unit

Audio unit

AV (NAVI) control unit

BOSE amp

AV COMM CIRCUIT [U1300]

REAR CAMERA CONN [U1252]

Camera control unit power supply
and ground circuit malfunction is
detected

Malfunction is detected on communi-
cation signal between camera con-
trol unit and AV (NAVI) control unit

Camera control unit power supply and ground
circuit

Camera control unit

AV (NAVI) control unit

AV COMM CIRCUIT [U1300]

SWITCH CONN [U1240]

Multifunction switch power supply
and ground circuit malfunction is
detected

Malfunction is detected on communi-
cation signal between multifunction
switch and AV (NAVI) control unit

Multifunction switch power supply and ground
circuit

Multifunction switch

AV (NAVI) control unit

AV COMM CIRCUIT [U1300]

DVD DECK CONN [U1248]

DVD player power supply and
ground circuit malfunction detected

Malfunction is detected on communi-
cation signal between DVD player
and AV (NAVI) control unit

DVD player power supply and ground circuit

DVD player

AV (NAVI) control unit

AV COMM CIRCUIT [U1300]

AMP CONN [U124E]

BOSE amp power supply and
ground circuit malfunction is
detected

Malfunction is detected on communi-
cation signal between BOSE amp
and AV (NAVI) control unit

BOSE amp power supply and ground circuit

BOSE amp

AV (NAVI) control unit
FRONT DISP CONN [U1243]

Front display unit power supply and
ground circuit malfunction is
detected

Malfunction is detected on communi-
cation circuit between front display
unit and AV (NAVI) control unit

Malfunction is detected on communi-
cation signal between front display
unit and AV (NAVI) control unit

Front display unit power supply and ground

Communication circuit between front display
unit and AV (NAVI) control unit

Front display unit

AV (NAVI) control unit Error item Description Possible cause/Action to take

AV-106
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
DIAGNOSIS SYSTEM
Revision: 2007 April2007 M35/M45
ALL SIGNALS

When “ALL SIGNALS” is selected and “START” is touched, the
following vehicle signal condition that is input to AV (NAVI) con-
trol unit is displayed.

For each signal, a comparison of actual operating status and the
status recognized by the system can be checked.
Display Condition
SELECTION FROM MENU

When “SELECTION FROM MENU” is selected, the vehicle signal display can be selected. After that, the
selected vehicle signal condition is displayed when “START” is touched.
AV COMM MONITOR
When “AV COMM MONITOR” is selected, “AV&NAVI C/U” and “AUDIO” are displayed.
AV&NAVI C/U

When “AV&NAVI C/U” is selected, the communication condition
from AV (NAVI) control unit to each unit and malfunction counter
are displayed.

Error counter displays OK if any malfunction is not detected in
the past. If the malfunction is detected, it displays 0. When turn-
ing the ignition switch ON, if it is normal, it displays 1. The upper
limit of the counter is 39.
SKIB3676E
Display Item Display Vehicle status Remarks
VHCL SPD SIGON Vehicle speed > 0 km/h (0 MPH)
Changes in indication may be delayed. This is normal. OFF Vehicle speed = 0 km/h (0 MPH)
PKB SIGON Parking brake is applied.
OFF Parking brake is released.
ILLMU SIGON Light switch ON
–
OFF Light switch OFF
IGN SIGON Ignition switch ON
–
OFF Ignition switch in ACC position
REV SIGON Selector lever in R position
Changes in indication may be delayed. This is normal.
OFF Other than selector lever in R position
Item to be selected Description
VHCL SPD SIG
As well as selecting “ALL SIGNALS” PKB SIG
ILLUM SIG
IGN SIG
REV SIG
Items Display (PRSNT) Error counter (PAST)
TRANSMIT DIAG OK / UNKWN OK / 0 - 39
PANEL SWITCH OK / UNKWN OK / 0 - 39
SW SECONDARY - -
RR CONTROL SW - -
SKIB3678E

DIAGNOSIS SYSTEM
AV-107
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2007 April2007 M35/M45
AUDIO

When “AUDIO” is selected, the communication condition from
audio unit to each unit and malfunction counter are displayed.

Error counter displays OK if any malfunction is not detected in
the past. If the malfunction is detected, it displays 0. When turn-
ing the ignition switch ON, if it is normal, it displays 1. The upper
limit of the counter is 39.
ECU PART NUMBER
The part number of AV (NAVI) control unit is displayed.
STEERING SW OK / UNKWN OK / 0 - 39
AUDIO OK / UNKWN OK / 0 - 39
SPEAKER AMP OK / UNKWN OK / 0 - 39
SIDE CAMERA - -
REAR CAMERA OK / UNKWN OK / 0 - 39
TV TUNER - -
DVD PLAYER OK / UNKWN OK / 0 - 39
VIDEO DIST - -
ETC - -
FM MULTI - -
REMOTE CONT - -Items Display (PRSNT) Error counter (PAST)
Items Display (Current) Error counter (Past)
TRANSMIT DG OK / UNKWN OK / 0 - 39
SPEAKER AMP OK / UNKWN OK / 0 - 39
TV TUNER - -
DVD PLAYER OK / UNKWN OK / 0 - 39
MD DECK - -
CD CHANGER - -
MD CHANGER - -
SKIB3679E
SKIB3680E

AV-116
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
Sound Is Not Output (Voice Guidance and TEL Voice Are Normal) NKS00498
DVD AND AUDIO SOUND ARE NOT OUTPUT
1. PERFORM CONSULT-II SELF-DIAGNOSIS
Perform “SELF-DIAG RESULT” of CONSULT-II and check the malfunction. Refer to AV- 1 0 3 , "
SELF-DIAG
RESULTS" .
OK or NG
OK >> GO TO 2.
NG >> Refer to AV- 1 0 3 , "
Display Item of SELF-DIAG RESULTS" .
2. CHECK AV COMM MONITOR
Select “AUDIO” of “AV COMM MONITOR”, and then check the displays of “TRANSMIT DG” and “SPEAKER
AMP”.
A or B
A >> Replace BOSE amp.
B >> Replace audio unit.
DVD SOUND IS NOT OUTPUT
1. PERFORM CONSULT-II SELF-DIAGNOSIS
Perform “SELF-DIAG RESULT” of CONSULT-II and check the malfunction. Refer to AV- 1 0 3 , "
SELF-DIAG
RESULTS" .
OK or NG
OK >> GO TO 2
NG >> Refer to AV- 1 0 3 , "
Display Item of SELF-DIAG RESULTS" .
2. CHECK AV COMM MONITOR
Select “AUDIO” of “AV COMM MONITOR”, and then check the displays of “TRANSMIT DG” and “DVD player”.
A or B
A >> Replace DVD player
B >> Replace audio unit.
Voice Activated Control System Is Not ActivatedNKS00499
THE SCREEN IS SWITCHED BY PRESSING THE STEERING SWITCH
1. VOICE MICROPHONE TEST
Turn “Voice Microphone Test” ON at Confirmation/Adjustment mode, and then check the sounds emitted from
the speaker. Refer to AV- 9 8 , "
Voice Microphone Test" .
Is the sound output?
YES >> Replace AV (NAVI) control unit.
NO >> GO TO 2A
TRANSMIT DG
SPEAKER AMP: OK
: UNKWN
B
TRANSMIT DG
SPEAKER AMP: UNKWN
: OK
A
TRANSMIT DG
DVD PLAYER: OK
: UNKWN
B
TRANSMIT DG
DVD PLAYER: UNKWN
: OK

AV-118
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
Steering Switch Cannot Be OperatedNKS0049A
NONE OF THE OPERATIONS WORK.
1. CHECK HARNESS
1. Check continuity between spiral cable harness connector (A)
M303 terminal 17 and audio unit harness connector (B) M76 ter-
minal 15.
OK or NG
OK >> Replace steering switch.
NG >> Check spiral cable. If the malfunction is detected, repair
the harness and connector.
“ENTER”, “MENU UP-DOWN”, AND “SOURCE” SWITCHES ARE NOT OPERATED
1. CHECK HARNESS
1. Check continuity between spiral cable harness connector (A)
M303 terminal 20 and audio unit harness connector (B) M76 ter-
minal 6.
2. Check continuity between spiral cable harness connector (A)
M303 terminal 20 and ground.
OK or NG
OK >> GO TO 2.
NG >> Check spiral cable. If the malfunction is detected, repair
the harness and connector.
2. CHECK STEERING SWITCH SIGNAL A
1. Turn ignition switch ON.
2. Check voltage between audio unit harness connector M76 ter-
minals 6 and 15
OK or NG
OK >> Replace steering switch.
NG >> Replace audio unit.17 – 15 : Continuity should exist.
SKIB6278E
20 – 6 : Continuity should exist.
20 – Ground : Continuity should not exist.
SKIB4636E
6 – 15 : Approx. 5 V
SKIB4637E

TROUBLE DIAGNOSIS
AV-119
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
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Revision: 2007 April2007 M35/M45
“PTT/TEL”, “BACK”, AND “VOLUME CONTROL” SWITCHES ARE NOT OPERATED
1. CHECK HARNESS
1. Check continuity between spiral cable harness connector (A)
M303 terminal 16 and audio unit harness connector (B) M76 ter-
minal 16.
2. Check continuity between spiral cable harness connector (A)
M303 terminal 16 and ground.
OK or NG
OK >> GO TO 2.
NG >> Check spiral cable. If the malfunction is detected, repair
the harness and connector.
2. CHECK STEERING SWITCH SIGNAL B
1. Turn ignition switch ON.
2. Check voltage between audio unit harness connector M76 ter-
minals 16 and 15
OK or NG
OK >> Replace steering switch.
NG >> Replace audio unit.
The Hands-Free Phone Cannot Be UsedNKS0049B
THE VOICE CANNOT BE HEARD
1. CHECK HARNESS AV (NAVI) CONTROL UNIT AND AUDIO UNIT
1. Disconnect AV (NAVI) control unit connector and audio unit connector.
2. Check continuity between AV (NAVI) control unit harness con-
nector (A) M78 terminals 10, 11 and audio unit harness connec-
tor (B) M77 terminals 30, 31.
3. Check continuity between AV (NAVI) control unit harness con-
nector (A) M78 terminals 10, 11 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.16 – 16 : Continuity should exist.
16 – Ground : Continuity should not exist.
SKIB4638E
16 – 15 : Approx. 5 V
SKIB4639E
10 – 30 : Continuity should exist.
11 – 31 : Continuity should exist.
10, 11 – Ground : Continuity should not exist.
SKIB4640E