Nissan Murano Z50 (2004 year). Manual — part 22
NAVIGATION SYSTEM
AV-163
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Revision: 2004 November
2004 Murano
5.
CHECK HARNESS
1.
Disconnect display control unit connector.
2.
Check continuity between display harness connector M38 termi-
nals 13 (P), 14 (P/L) and display control unit harness connector
M42 terminals 5 (P), 7(P/L).
OK or NG
OK
>> Replace display control unit.
NG
>> Repair harness or connector.
6.
CHECK GROUND CIRCUIT
Check continuity between display harness connector M38 terminal 1
(B) and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
13 – 5
: Continuity should exist.
14 – 7
: Continuity should exist.
SKIB0449E
1 – Ground
: Continuity should exist.
SKIB0451E
AV-164
NAVIGATION SYSTEM
Revision: 2004 November
2004 Murano
Power Supply and Ground Circuit Check for A/C and AV Switch
AKS005LU
1.
CHECK FUSE
Make sure that the following fuses of the A/C and AV switch are not blown.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate case of malfunction before installing new fuse. Refer to
"POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between A/C and AV switch harness connector termi-
nals and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect A/C and AV switch connector.
3.
Check continuity between A/C and AV switch harness connector
M48 terminal 5 (B) and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Unit
Signal
Fuse No.
A/C and AV switch
Battery power supply
38
ACC power supply
6
Terminals
OFF
ACC
ON
(+)
(–)
Connector
Terminal
(Wire color)
M48
1 (Y)
Ground
Battery
voltage
Battery
voltage
Battery
voltage
2 (P/B)
0V
Battery
voltage
Battery
voltage
SKIA9396E
5 – Ground
: Continuity should exist.
PKIA2860E
NAVIGATION SYSTEM
AV-165
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Revision: 2004 November
2004 Murano
Vehicle Speed Signal Check for NAVI Control Unit
AKS004RI
1.
CHECK SPEEDOMETER FUNCTION
Does speedometer is operated normally?
YES or NO
YES
>> GO TO 2.
NO
>> Check combination meter trouble diagnosis. Refer to
DI-19, "Vehicle Speed Signal Inspection"
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit, unified meter and A/C amp., combination meter, display control unit, audio
unit and shift lock control unit connectors.
3.
Check continuity between NAVI control unit harness connector
M63 terminal 28 (V/W) and unified meter and A/C amp. harness
connector M50 terminal 26 (V/W).
4.
Check continuity between NAVI control unit harness connector
M63 terminal 28 (V/W) and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK NAVI CONTROL UNIT
1.
Connect NAVI control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between NAVI control unit harness connector
M63 terminal 28 (V/W) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace NAVI control unit.
28 – 26
: Continuity should exist.
28 – Ground
: Continuity should not exist.
PKIA2861E
28 – Ground
: Approx. 5V
PKIA2862E
AV-166
NAVIGATION SYSTEM
Revision: 2004 November
2004 Murano
4.
CHECK VEHICLE SPEED SIGNAL
1.
Turn ignition switch OFF.
2.
Connect unified meter and A/C amp., combination meter, display control unit, audio unit and shift lock
control unit connectors.
3.
Drive vehicle at a constant speed.
4.
Check voltage waveform between NAVI control unit harness
connector M63 terminal 28 (V/W) and ground using CONSULT-ll
or oscilloscope.
OK or NG
OK
>> INSPECTION END
NG
>> Replace unified meter and A/C amp. Refer to
"Removal and Installation of Unified Meter and A/C
Amp."
Vehicle Speed Signal Check for Display Control Unit
AKS005G5
1.
CHECK SPEEDOMETER FUNCTION
Does speedometer is operated normally?
YES or NO
YES
>> GO TO 2.
NO
>> Check combination meter trouble diagnosis. Refer to
DI-19, "Vehicle Speed Signal Inspection"
.
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect display control unit, unified meter and A/C amp., NAVI control unit, combination meter, audio
unit and shift lock control unit connectors.
3.
Check continuity between display control unit harness connector
M42 terminal 16 (V/W) and unified meter and A/C amp. harness
connector M50 terminal 26 (V/W).
4.
Check continuity between display control unit harness connector
M42 terminal 16 (V/W) and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
28 – Ground
: Refer to
and Reference Value for NAVI
Control Unit"
PKIA2863E
16 – 26
: Continuity should exist.
16 – Ground
: Continuity should not exist.
PKIA2864E
NAVIGATION SYSTEM
AV-167
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Revision: 2004 November
2004 Murano
3.
CHECK DISPLAY CONTROL UNIT
1.
Connect display control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between display control unit harness connector
M42 terminal 16 (V/W) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace display control unit.
4.
CHECK VEHICLE SPEED SIGNAL
1.
Turn ignition switch OFF.
2.
Connect unified meter and A/C amp., NAVI control unit, combination meter, audio unit and shift lock con-
trol unit connectors.
3.
Drive vehicle at a constant speed.
4.
Check voltage waveform between display control unit harness
connector M42 terminal 16 (V/W) and ground using CONSULT-ll
or oscilloscope.
OK or NG
OK
>> INSPECTION END
NG
>> Replace unified meter and A/C amp. Refer to
"Removal and Installation of Unified Meter and A/C
Amp."
Illumination Signal Check for NAVI Control Unit
AKS004RJ
1.
CHECK ILLUMINATION SIGNAL
Check voltage between NAVI control unit harness connector termi-
nals and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
16 – Ground
: Approx. 5V
PKIA2865E
16 – Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
PKIA2866E
Terminals
Lighting switch position
(+)
(–)
Connector
Terminal
(Wire color)
ON
OFF
M63
25 (R/L)
Ground
Approx. 12V
Approx. 0V
SKIA9497E
AV-168
NAVIGATION SYSTEM
Revision: 2004 November
2004 Murano
Illumination Signal Check for Display Control Unit
AKS005G6
1.
CHECK ILLUMINATION SIGNAL
Check voltage between display control unit harness connector termi-
nals and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Ignition Signal Check for NAVI Control Unit
AKS004RK
1.
CHECK IGNITION SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between NAVI control unit harness connector
M63 terminal 26 (G) and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Ignition Signal Check for Display Control Unit
AKS005G7
1.
CHECK IGNITION SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between display control unit harness connector
M42 terminal 12 (G) and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Terminals
Lighting switch position
(+)
(–)
Connector
Terminal
(Wire color)
ON
OFF
M42
14 (R/L)
Ground
Approx. 12V
Approx. 0V
PKIA2868E
26 – Ground
: Battery voltage
SKIA8939E
12 – Ground
: Battery voltage
SKIA8940E
NAVIGATION SYSTEM
AV-169
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Revision: 2004 November
2004 Murano
Reverse Signal Check for NAVI Control Unit
AKS005G8
1.
CHECK REVERSE LAMP
1.
Turn ignition switch ON.
2.
Selector lever into R-position. Does “R” in the shift position indicator come on?
YES or NO
YES
>> GO TO 2.
NO
>> Check back-up lamp system. Refer to
.
2.
CHECK REVERSE SIGNAL
Check voltage between NAVI control unit harness connector termi-
nals and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Reverse Signal Check for Display Control Unit
AKS004RL
1.
CHECK REVERSE LAMP
1.
Turn ignition switch ON.
2.
Selector lever into R-position. Does “R” in the shift position indicator come on?
YES or NO
YES
>> GO TO 2.
NO
>> Check back-up lump system. Refer to
.
2.
CHECK REVERSE SIGNAL
Check voltage between display control unit harness connector ter-
minals and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Terminals
Selector lever position
(+)
(–)
Connector
Terminal
(Wire color)
R-position
Except
R-position
M63
27 (G/W)
Ground
Approx. 12V
Approx. 0V
SKIA9498E
Terminals
Selector lever position
(+)
(–)
Connector
Terminal
(Wire color)
R-position
Except
R-position
M42
6 (G/W)
Ground
Approx. 12V
Approx. 0V
SKIA8942E
AV-170
NAVIGATION SYSTEM
Revision: 2004 November
2004 Murano
When Malfunctioning Connection Between Display Control Unit and NAVI Con-
trol Unit
AKS005R8
1.
CHECK NAVI CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check NAVI control unit power supply and ground circuit. Refer to
AV-160, "Power Supply and Ground Circuit
OK or NG
OK
>> GO TO 2.
NG
>> Repair malfunctioning parts.
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit and display control unit connectors.
3.
Check continuity between NAVI control unit harness connector
M63 terminals 44 (O), 45 (B/P) and display control unit harness
connector M43 terminals 32 (O), 34 (B/P).
4.
Check continuity between NAVI control unit harness connector
M63 terminals 44 (O), 45 (B/P) and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
SELF-DIAGNOSIS OF DCU
1.
Replace NAVI control unit.
2.
Connect NAVI control unit connector and display control unit connector.
3.
Turn ignition switch ON.
4.
Start self-diagnosis of DCU, and check the self-diagnosis result.
OK or NG
OK
>> INSPECTION END
NG
>> Replace display control unit.
44 – 32
: Continuity should exist.
45 – 34
: Continuity should exist.
44, 45 – Ground
: Continuity should not exist.
PKIA2873E
NAVIGATION SYSTEM
AV-171
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Revision: 2004 November
2004 Murano
When Malfunctioning Connection Between Display Control Unit and Audio Unit
AKS005R9
1.
CHECK AUDIO UNIT POWER SUPPLY CIRCUIT
Check audio unit power supply circuit. Refer to
AV-47, "Power Supply Circuit Inspection"
.
OK or NG
OK
>> GO TO 2.
NG
>> Repair malfunctioning parts.
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect audio unit and display control unit connectors.
3.
Check continuity between display control unit harness connector
M43 terminals 40 (R/G), 42 (R/Y) and audio unit harness con-
nector M46 terminals 23 (R/G), 21 (R/Y).
4.
Check continuity between display control unit harness connector
M43 terminals 40 (R/G), 42 (R/Y) and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK AUDIO UNIT
1.
Connect audio unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between audio unit harness connector M46 ter-
minal 23 (R/G) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace audio unit.
40 – 23
: Continuity should exist.
42 – 21
: Continuity should exist.
40, 42 – Ground
: Continuity should not exist.
PKIA2875E
23 – Ground
: Approx. 4V
SKIA9484E
AV-172
NAVIGATION SYSTEM
Revision: 2004 November
2004 Murano
4.
CHECK DISPLAY CONTROL UNIT
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector, and connect display control unit connector.
3.
Turn ignition switch ON.
4.
Check voltage between display control unit harness connector
M43 terminal 42 (R/Y) and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Replace display control unit.
5.
CHECK AUDIO TX COMMUNICATION SIGNAL
1.
Turn ignition switch OFF.
2.
Connect audio unit connector.
3.
Turn ignition switch ON.
4.
Check voltage waveform between display control unit harness
connector M43 terminal 40 (R/G) and ground using CONSULT-ll
or oscilloscope.
OK or NG
OK
>> GO TO 6.
NG
>> Replace display control unit.
6.
CHECK AUDIO RX COMMUNICATION SIGNAL
Check voltage waveform between display control unit harness con-
nector M43 terminal 42 (R/Y) and ground using CONSULT-ll or oscil-
loscope.
OK or NG
OK
>> Replace display control unit.
NG
>> Replace audio unit.
42 – Ground
: Approx. 4V
PKIA2877E
40 – Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
PKIA2878E
42 – Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
PKIA2879E
NAVIGATION SYSTEM
AV-173
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Revision: 2004 November
2004 Murano
When Malfunctioning Connection Between Display Control Unit and Display
AKS005RA
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect display control unit and display connectors.
3.
Check continuity between display control unit harness connector
M43 terminals 36 (O/L), 38 (W/L) and display harness connector
M38 terminals 11 (O/L), 22 (W/L).
4.
Check continuity between display control unit harness connector
M43 terminals 36 (O/L), 38 (W/L) and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
2.
CHECK DISPLAY UNIT
1.
Connect display connector.
2.
Turn ignition switch ON.
3.
Check voltage between display harness connector M38 terminal
11 (O/L) and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace display.
3.
CHECK DISPLAY CONTROL UNIT
1.
Turn ignition switch OFF.
2.
Disconnect display connector, and connect display control unit connector.
3.
Turn ignition switch ON.
4.
Check voltage between display control unit harness connector
M43 terminal 38 (W/L) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace display control unit.
36 – 11
: Continuity should exist.
38 – 22
: Continuity should exist.
36, 38 – Ground
: Continuity should not exist.
PKIA2880E
11 – Ground
: Approx. 4V
SKIA9503E
38 – Ground
: Approx. 4V
PKIA2882E
AV-174
NAVIGATION SYSTEM
Revision: 2004 November
2004 Murano
4.
CHECK COMMUNICATION SIGNAL (DCU–DSP)
1.
Turn ignition switch OFF.
2.
Connect display connector.
3.
Turn ignition switch ON.
4.
Check voltage waveform between display control unit harness
connector M43 terminal 36 (O/L) and ground using CONSULT-ll
or oscilloscope.
OK or NG
OK
>> GO TO 5.
NG
>> Replace display control unit.
5.
CHECK COMMUNICATION SIGNAL (DSP–DCU)
Check voltage waveform between display control unit harness con-
nector M43 terminal 38 (W/L) and ground using CONSULT-ll or
oscilloscope.
OK or NG
OK
>> Replace display control unit.
NG
>> Replace display.
36 – Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
PKIA2883E
38 – Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
PKIA2884E
NAVIGATION SYSTEM
AV-175
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Revision: 2004 November
2004 Murano
CAN Communication Line Check
AKS005RC
1.
CHECK MONITOR DESCRIPTION
1.
Start display control unit self-diagnosis. Refer to
AV-144, "Self-Diagnosis Mode (DCU)"
2.
Select “CAN DIAG SUPPORT MONITOR”. Refer to
.
3.
Record each item display description (OK/NG/UNKWN) displayed on the following CAN DIAG SUPPORT
MONITOR Check Sheet.
CAN DIAG SUPPORT MONITOR Check Sheet
>> After filling in CAN DIAG SUPPORT MONITOR Check Sheet, GO TO
Item
content
Error counter
(Reference value)
Normal condition
Error (Example)
CANCOMM
OK
NG
0-50
CAN_CIRC_1
OK
UNKWN
0-50
CAN_CIRC_2
OK
UNKWN
0-50
CAN_CIRC_3
OK
UNKWN
0-50
CAN_CIRC_4
OK
UNKWN
0-50
CAN_CIRC_5
OK
UNKWN
0-50
CAN_CIRC_6
OK
UNKWN
0-50
CAN_CIRC_7
OK
UNKWN
0-50
CAN_CIRC_8
OK
UNKWN
0-50
CAN_CIRC_9
UNKWN
UNKWN
0-50
SKIA4288E
Diagnosis item
Screen display
Diagnosis item
Screen display
CANCOMM
OK
NG
CAN_CIRC_5
OK
UNKWN
CAN_CIRC_1
OK
UNKWN
CAN_CIRC_6
OK
UNKWN
CAN_CIRC_2
OK
UNKWN
CAN_CIRC_7
OK
UNKWN
CAN_CIRC_3
OK
UNKWN
CAN_CIRC_8
OK
UNKWN
CAN_CIRC_4
OK
UNKWN
CAN_CIRC_9
OK
UNKWN
AV-176
NAVIGATION SYSTEM
Revision: 2004 November
2004 Murano
If NAVI Control Unit Detects That DVD-ROM Map Is Not Inserted
AKS005RD
1.
CHECK DVD-ROM
Make sure identified DVD-ROM map is inserted.
OK or NG
OK
>> Replace NAVI control unit.
NG
>> Insert identified DVD-ROM map.
If NAVI Control Unit Detects That Inserted DVD-ROM Map Malfunctioning or If It
Is Impossible to Load Data From DVD-ROM Map
AKS005RE
1.
CHECK 1: DVD-ROM
Remove inserted DVD-ROM map to check that it is identified.
OK or NG
OK
>> GO TO 2.
NG
>> Replace identified DVD-ROM map.
2.
CHECK 2: DVD-ROM
Check removed DVD-ROM that there are dirt, scratch and warp.
OK or NG
OK
>> GO TO 3.
NG
>> Replace DVD-ROM map.
3.
CHECK 3: DVD-ROM
Insert same DVD-ROM to make sure same diagnosis result is found as last self-diagnosis.
OK or NG
OK
>> Replace NAVI control unit.
NG
>> Replace DVD-ROM map.
If Connection Between NAVI Control Unit and GPS Antenna is Malfunctioning
AKS005RF
1.
CHECK GPS ANTENNA
Check cable for GPS antenna by watching out to see that cable is malfunctioning.
OK or NG
OK
>> GO TO 2.
NG
>> Replace GPS antenna.
2.
CHECK BY REPLACEMENT OF GPS ANTENNA
Replace other functional GPS antenna to try self-diagnosis again.
Result of self-diagnosis; Found same result?
YES
>> Replace NAVI control unit.
NO
>> Replace GPS antenna.
NAVIGATION SYSTEM
AV-177
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Revision: 2004 November
2004 Murano
Color of RGB Image is Not Proper
AKS005SR
1.
CHECK RGB HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect display control unit and display connectors.
3.
Check continuity as following.
●
When the screen looks bluish
●
When the screen looks reddish
●
When the screen looks yellowish
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
Terminals
Continuity
Display control unit
Display
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M43
50 (G/Y)
M38
17 (G/Y)
Yes
47
7
Terminals
Continuity
Display control unit
Ground
Connector
Terminal (Wire color)
M43
50 (G/Y)
No
47
Terminals
Continuity
Display control unit
Display
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M43
52 (G/R)
M38
6 (G/R)
Yes
47
7
Terminals
Continuity
Display control unit
Ground
Connector
Terminal (Wire color)
M43
52 (G/R)
No
47
Terminals
Continuity
Display control unit
Display
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M43
54 (G/O)
M38
18 (G/O)
Yes
47
7
Terminals
Continuity
Display control unit
Ground
Connector
Terminal (Wire color)
M43
54 (G/O)
No
47
PKIA2896E
PKIA2898E
PKIA2900E
AV-178
NAVIGATION SYSTEM
Revision: 2004 November
2004 Murano
2.
CHECK RGB SIGNAL
1.
Connect display control unit and display connectors.
2.
Turn ignition switch ON.
3.
Display “Color bar” by “CONFIRMATION/ADJUSTMENT” mode.
4.
Check the following using CONSULT-ll or oscilloscope.
●
When the screen looks bluish.
Check voltage waveform between display control unit connector
M43 terminal 50 (G/Y) and 47.
●
When the screen looks reddish.
Check voltage waveform between display control unit connector
M43 terminal 52 (G/R) and 47.
●
When the screen looks yellowish.
Check voltage waveform between display control unit connector
M43 terminal 54 (G/O) and 47.
OK or NG
OK
>> Replace display.
NG
>> Replace display control unit.
50 – 47
: Refer to
and Reference Value for Dis-
play Control Unit"
PKIA2897E
52 – 47
: Refer to
and Reference Value for Dis-
play Control Unit"
PKIA2899E
54 – 47
: Refer to
and Reference Value for Dis-
play Control Unit"
PKIA2901E
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