ground INFINITI M35 2006 Factory Service Manual

TROUBLE DIAGNOSIS
AV-113
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS BETWEEN AV (NAVI) CONTROL UNIT AND CAMERA CONTROL UNIT
1. Turn ignition switch OFF.
2. Disconnect AV (NAVI) control unit connector and camera control unit connector.
3. Check continuity between AV (NAVI) control unit harness con-
nector (A) M210 terminal 67 and camera control unit harness
connector (B) B128 terminal 14.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK CAMERA-CONNECTION RECOGNITION SIGNAL
1. Connect AV (NAVI) control unit connector.
2. Turn ignition switch ON.
3. Check voltage between AV (NAVI) control unit harness connec-
tor M210 terminal 67 and ground.
OK or NG
OK >> Replace camera control unit.
NG >> Replace AV (NAVI) control unit.
DVD Image Is Not DisplayedNKS00494
1. REAR VIEW MONITOR IMAGE CONFIRMATION
Make sure that rear view monitor image is displayed when setting the selector lever in R position.
Is it displayed?
YES >> GO TO 2.
NO >> GO TO 4.
2. CHECK HARNESS BETWEEN DVD PLAYER AND FRONT DISPLAY UNIT
1. Turn ignition switch OFF.
2. Disconnect DVD player connector front display unit connector.
3. Check continuity between DVD player harness connector (A)
M272 terminal 20 and front display unit harness connector (B)
M203 terminal 15.
4. Check continuity between DVD player harness connector (A)
M272 terminal 20 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.67 – 14 : Continuity should exist.
SKIB4617E
67 – Ground: : Approx. 5 V
SKIB4618E
20 – 15 : Continuity should exist.
20 – Ground : Continuity should not exist.
SKIB4695E

AV-114
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
3. CHECK IMAGE SIGNAL
1. Connect DVD player connector and front display unit connector.
2. Turn ignition switch ON.
3. Display DVD image.
4. Check signal between DVD player harness connector M272 ter-
minal 20 and ground.
OK or NG
OK >> Replace front display unit.
NG >> Replace DVD player.
4. CHECK HARNESS BETWEEN AV (NAVI) CONTROL UNIT AND FRONT DISPLAY UNIT
1. Turn ignition switch OFF.
2. Disconnect AV (NAVI) control unit connector and front display unit connector.
3. Check continuity between AV (NAVI) control unit harness con-
nector (A) M210 terminal 50 and front display unit harness con-
nector (B) M203 terminal 2.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK RGB AREA SIGNAL
1. Connect AV (NAVI) control unit connector and front display unit connector.
2. Turn ignition switch ON.
3. Shift the selector lever in R position.
4. Check signal between AV (NAVI) control unit harness connector
M210 terminal 50 and ground.
OK or NG
OK >> Replace front display unit
NG >> Replace AV (NAVI) control unit.20 – Ground:
SKIB4696E
SKIB2251J
50 – 2 : Continuity should exist.
SKIB4697E
50 – Ground:
SKIB4614E
PKIB4948J

TROUBLE DIAGNOSIS
AV-115
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2006 January2006 M35/M45
Warning Message of Whether Rear View Image Is Rolling or Not DisplayedNKS00495
1. CHECK HARNESS BETWEEN AV (NAVI) CONTROL UNIT AND FRONT DISPLAY UNIT
1. Disconnect AV (NAVI) control unit connector and front display unit connector.
2. Check continuity between AV (NAVI) control unit harness con-
nector (A) M210 terminals 51, 52 and display unit harness con-
nector (B) M203 terminals 4, 6.
3. Check continuity between AV (NAVI) control unit harness con-
nector (A) M210 terminals 51, 52 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK HORIZONTAL SYNCHRONIZING SIGNAL
1. Connect AV (NAVI) control unit connector and front display unit connector.
2. Turn ignition switch ON.
3. Check signal between AV (NAVI) control unit harness connector
M210 terminal 51 and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace front display unit.
3. CHECK VERTICAL SYNCHRONIZING SIGNAL
Check signal between AV (NAVI) control unit harness connector
M210 terminal 52 and ground.
OK or NG
OK >> Replace AV (NAVI) control unit.
NG >> Replace front display unit.
DVD Operation Screen Is Not DisplayedNKS00496
Refer to AV- 11 5 , "Warning Message of Whether Rear View Image Is Rolling or Not Displayed" .
It Cannot Be Switched to DVD ModeNKS00497
Refer to AV- 11 6 , "DVD SOUND IS NOT OUTPUT" . 51 – 4 : Continuity should exist.
52 – 6 : Continuity should exist.
51, 52 – Ground : Continuity should not exist.
SKIB4698E
51 – Ground:
SKIB4699E
SKIB3601E
52 – Ground:
SKIB4700E
SKIB3598E

TROUBLE DIAGNOSIS
AV-117
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS BETWEEN AV (NAVI) CONTROL UNIT AND MIC.
1. Turn ignition switch OFF.
2. Disconnect AV (NAVI) control unit connector and MIC. connector.
3. Check continuity between AV (NAVI) control unit harness con-
nector (A) M78 terminals 6, 7, 8 and MIC. harness connector (B)
R52 terminals 4, 2, 1.
4. Check continuity between AV (NAVI) control unit harness con-
nector (A) M78 terminals 6, 7, 8 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK MIC. POWER SUPPLY
1. Connect AV (NAVI) control unit and MIC. connector.
2. Turn ignition switch ON.
3. Check voltage between AV (NAVI) control unit harness connec-
tor M78 terminals 6 and 7.
OK or NG
OK >> GO TO 4.
NG >> Replace AV (NAVI) control unit.
4. CHECK MIC. SIGNAL
1. Check signal between AV (NAVI) control unit harness connector
M78 terminals 8 and 7.
OK or NG
OK >> Replace AV (NAVI) control unit.
NG >> Replace MIC.
THE SCREEN IS NOT SWITCHED BY PRESSING THE STEERING SWITCH
Refer to AV- 11 8 , "Steering Switch Cannot Be Operated" . 6 – 4 : Continuity should exist.
7 – 2 : Continuity should exist.
8 – 1 : Continuity should exist.
6, 7, 8 – Ground : Continuity should not exist.
SKIB4632E
6 – 7 : Approx. 5 V
SKIB4633E
8 – 7:Give a voice
SKIB4634EPKIB5037J

AV-118
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
TROUBLE DIAGNOSIS
Revision: 2006 January2006 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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AV
Revision: 2006 January2006 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

AV-120
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
2. CHECK TEL VOICE SIGNAL
1. Connect AV (NAVI) control unit connector and audio unit connector.
2. Turn ignition switch ON.
3. Check signal between AV (NAVI) control unit harness connector
M78 terminals 10 and 11
OK or NG
OK >> Replace audio unit.
NG >> Replace AV (NAVI) control unit.
THE VOICE CANNOT BE TRANSMITTED
Refer to AV- 11 6 , "THE SCREEN IS SWITCHED BY PRESSING THE STEERING SWITCH" .
Voice Guidance Is Not Heard (Base System)NKS0049C
1. CHECK HARNESS BETWEEN 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 12, 14 and audio unit harness connec-
tor (B) M77 terminals 32, 33.
3. Check continuity between AV (NAVI) control unit harness con-
nector (A) M78 terminals 12, 14 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK VOICE GUIDANCE SIGNAL
1. Connect AV (NAVI) control unit connector and audio unit connector.
2. Turn ignition switch ON.
3. Push the voice button.
4. Check signal between AV (NAVI) control unit harness connector
M78 terminals 12 and 14.
OK or NG
OK >> Replace AV (NAVI) control unit.
NG >> Replace audio unit.10 – 11:When inputting TEL voice
SKIB4641ESKIB3609E
12 – 32 : Continuity should exist.
14 – 33 : Continuity should exist.
12, 14 – Ground : Continuity should not exist.
SKIB4702E
12 – 14:
SKIB4645E
SKIB3609E

TROUBLE DIAGNOSIS
AV-121
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2006 January2006 M35/M45
Voice Guidance Is Not Heard (BOSE System)NKS0049D
1. CHECK HARNESS BETWEEN AV (NAVI) CONTROL UNIT AND BOSE AMP
1. Disconnect AV (NAVI) control unit connector and BOSE amp connector.
2. Check continuity between AV (NAVI) control unit harness con-
nector (A) M78 terminals 12, 14 and BOSE amp harness con-
nector (B) B107 terminals 32, 12.
3. Check continuity between AV (NAVI) control unit harness con-
nector (A) M78 terminals 12, 14 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK VOICE GUIDANCE SIGNAL
1. Connect AV (NAVI) control unit connector and BOSE amp connector.
2. Turn ignition switch ON.
3. Push the voice button.
4. Check signal between AV (NAVI) control unit harness connector
M78 terminals 12 and 14.
OK or NG
OK >> Replace AV (NAVI) control unit.
NG >> Replace BOSE amp.12 – 32 : Continuity should exist.
14 – 12 : Continuity should exist.
12, 14 – Ground : Continuity should not exist.
SKIB4644E
12 – 14:
SKIB4645E
SKIB3609E

AV-204
[WITH MOBILE ENTERTAINMENT SYSTEM]
TERMINALS AND REFERENCE VALUE FOR CONTROL UNIT
Revision: 2006 January2006 M35/M45
TERMINALS AND REFERENCE VALUE FOR CONTROL UNITPFP:00000
Audio UnitNKS004AL
Te r m i n a l
(Wire color)
ItemSignal
input/
outputCondition
Reference value
+–Ignition
switch Operation
2
(R/L)3
(W)Audio signal LH Output ON Receive audio signal.
6
(BR)15
(G)Steering switch signal A Input ONKeep pushing SOURCE
switch.approx. 0 V
Keep pushing MENU UP
switch.Approx. 1.2 V
Keep pushing MENU DOWN
switch.Approx. 2.5 V
Keep pushing ENTER
switch.Approx. 3.7 V
Except for above. Approx. 5 V
7
(V)Ground ACC power supply Input ACC
Battery voltage
8
(R/Y)Ground Illumination control signal Input OFFIllumination control switch is
operated by lighting switch
in ON position.Change between approx. 0 V
and approx. 12 V
9
(R)Ground Illumination signal Input OFFLighting switch is OFF. Approx. 0 V
Lighting switch is ON. Approx. 12 V
11
(P)12
(L)Audio signal RH Output ON Receive audio signal.
15
(G)GroundSteering switch signal
ground– ON – Approx. 0 V
16
(O)15
(G)Steering switch signal B Input ONKeep pushing VOL DOWN
switch.Approx. 0 V
Keep pushing VOL UP
switch.Approx. 1.2 V
Keep pushing TEL, PTT
switch.Approx. 2.5 V
Keep pushing BACK switch. Approx. 3.7 V
Except for above. Approx. 5 V
19
(Y)Ground Battery power supply Input OFF
Battery voltage
20
(B)Ground Ground – ON – Approx. 0 V
SKIB3609E
SKIB3609E

TERMINALS AND REFERENCE VALUE FOR CONTROL UNIT
AV-205
[WITH MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2006 January2006 M35/M45
21
(B/R)25
(BR)Sound signal LH
Input ON When playing DVD
22
(B/W)26
(L)Sound signal RH
23
(Y)–Communication signal
(H)Input/
Output–– –
24
(O)–Communication signal
(L)Input/
Output–– –
27 – Shield
––
30
(BR)31
(B/R)TEL voice signal Input ONWhen inputting TEL voice
signal.
37 – Shield – – – –
41
(R)45
(G)Audio signal LH Input ON Satellite radio mode is ON.
42
(B)46
(W)Audio signal RH Input ON Satellite radio mode is ON.
43
(W)GroundCommunication signal
(AUDIO-SAT)Output ON Satellite radio mode is ON.
47 – Shield – – – –
48 – Shield – – – –
50
(B)Ground REQ1 (SAT-AUDIO) Input ON Satellite radio mode is ON. Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference value
+–Ignition
switch Operation
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3826E
SKIB3825E