Nissan Murano Z50 (2003 year). Manual — part 25
NAVIGATION SYSTEM
AV-193
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2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit connector, unified meter and A/C amp. connector, combination meter con-
nector, display control unit connector, audio unit connector and shift lock control unit connector.
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.
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.
4.
CHECK VEHICLE SPEED SIGNAL
1.
Connect unified meter and A/C amp. connector, combination meter connector, display control unit con-
nector, audio unit connector and shift lock control unit connector.
2.
Drive vehicle at a constant speed.
3.
Check signal between NAVI control unit harness connector M63
terminal 28 (V/W) and ground with CONSULT-ll or oscilloscope.
OK or NG
OK
>> INSPECTION END
NG
>> Check combination meter system. Refer to
Vehicle Speed Signal Check for Display Control Unit
AKS005G5
1.
SPEEDOMETER FUNCTION CHECK
Does speedometer is operated normally?
Yes or No
Yes
>> GO TO 2.
No
>> Check combination meter trouble diagnosis. Refer to
.
Continuity should exist.
Continuity should not exist.
SKIA4294E
Approx. 5V
SKIA4295E
28 (V/W) – Ground
: Refer to
and Reference Value for NAVI
Control unit"
SKIA4615E
AV-194
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
2.
HARNESS CHECK
1.
Turn ignition switch OFF.
2.
Disconnect display control unit connector, unified meter and A/C amp. connector, combination meter con-
nector, NAVI control unit connector, audio unit connector and shift lock control unit connector.
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.
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.
Connect unified meter and A/C amp. connector, combination meter connector, NAVI control unit connec-
tor, audio unit connector and shift lock control unit connector.
2.
Drive vehicle at a constant speed.
3.
Check signal between display control unit harness connector
M42 terminal 16 (V/W) and ground with CONSULT-ll or oscillo-
scope.
OK or NG
OK
>> INSPECTION END
NG
>> Check unified meter and A/C amp. system. Refer to
.
Continuity should exist.
Continuity should not exist.
SKIA4296E
Approx. 5V
SKIA4297E
16 (V/W) – Ground
: Refer to
and Reference Value for Dis-
play Control unit"
.
SKIA4616E
NAVIGATION SYSTEM
AV-195
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Illumination Signal Check for NAVI Control Unit
AKS004RJ
1.
CHECK ILLUMINATION SIGNAL
1.
Turn the ignition switch ON.
2.
Check voltage between NAVI control unit and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check harness for open or short between NAVI control
unit and IPDM E/R.
Illumination Signal Check for Display Control Unit
AKS005G6
1.
CHECK ILLUMINATION SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between display control unit and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check harness for open or short between display con-
trol unit and IPDM E/R.
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
>> Check harness for open or short between NAVI control
unit and fuse.
Terminals
Lighting switch position
(+)
(–)
Connector
Terminal
(Wire color)
1st or 2nd
position
OFF
M63
25 (R/L)
Ground
Approx. 12V
Approx. 0V
SKIA4298E
Terminals
Lighting switch position
(+)
(–)
Connector
Terminal
(Wire color)
1st or 2nd
position
OFF
M42
14 (R/L)
Ground
Approx. 12V
Approx. 0V
SKIA4299E
Battery voltage should exist.
SKIA8939E
AV-196
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
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
>> Check harness for open or short between display con-
trol unit and fuse.
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
With the selector lever in R-position, Check voltage between NAVI
control unit and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check harness for open or short between NAVI control
unit and back-up lamp position relay.
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
Battery voltage should exist.
SKIA8940E
Terminals
Selector lever position
(+)
(–)
Connector
Terminal
(Wire color)
R-position
Other than R-
position
M63
27 (G/W)
Ground
Approx. 12V
Approx. 0V
SKIA9498E
NAVIGATION SYSTEM
AV-197
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Revision; 2004 April
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2.
CHECK REVERSE SIGNAL
With the selector lever in R-position, Check voltage between display
control unit and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check harness for open or short between display con-
trol unit and back-up lump position relay.
AV Communication Line Check (Between Display Control Unit and NAVI Control
Unit).
AKS005R8
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
Check system of power supply and ground circuit NAVI control unit. Refer to
Ground Circuit Check for NAVI Control Unit"
.
OK or NG
OK
>> GO TO 2.
NG
>> Check the malfunctioning parts.
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit connector and display control unit connector.
3.
Check continuity between NAVI control unit and display control unit.
4.
Check continuity between NAVI control unit and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
Terminals
Selector lever position
(+)
(–)
Connector
Terminal
(Wire color)
R-position
Other than
R-position
M42
6 (G/W)
Ground
Approx. 12V
Approx. 0V
SKIA8942E
Terminals
Continuity
NAVI control unit (+)
Display control unit (–)
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M63
44 (O)
M43
32 (O)
Yes
45 (B/P)
34 (B/P)
Terminals
Continuity
NAVI control unit(+)
(–)
Connector
Terminal (Wire color)
M63
44 (O)
Ground
No
45 (B/P)
SKIA4444E
AV-198
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
3.
CHECK AV COMMUNICATION SIGNAL
1.
Connect NAVI control unit connector and display control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between NAVI control unit harness connector M63
terminal 44 (O) and 45 (B/P) with CONSULT-ll or oscilloscope.
OK or NG
OK
>> Replace display control unit.
NG
>> Replace NAVI control unit.
Audio Communication Line Check (Between Display Control Unit and Audio
Unit)
AKS005R9
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
Check system of power supply and ground circuit audio unit. Refer to
OK or NG
OK
>> GO TO 2.
NG
>> Check the malfunctioning parts.
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector and display control unit connector.
3.
Check continuity between audio unit and display control unit.
4.
Check continuity between display control unit and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
44 (O), 45 (B/P)-Ground
: Refer to
and Reference Value for
NAVI Control unit"
SKIA4445E
Terminals
Continuity
Display control unit (+)
Audio unit (–)
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M43
40 (R/G)
M46
23 (R/G)
Yes
42 (R/Y)
21 (R/Y)
Terminals
Continuity
Display control unit(+)
(–)
Connector
Terminal (Wire color)
M43
40 (R/G)
Ground
No
42 (R/Y)
SKIA4446E
NAVIGATION SYSTEM
AV-199
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3.
CHECK1: AUDIO-TX COMMUNICATION SIGNAL
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.
4.
CHECK2: AUDIO-RX COMMUNICATION SIGNAL
1.
Disconnect audio unit connector, and connect display control unit connector.
2.
Turn ignition switch ON.
3.
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.
CHECK3: AUDIO-TX COMMUNICATION SIGNAL
1.
Connect audio unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display control unit harness connector
M43 terminal 40 (R/G) and ground with CONSULT-ll or oscillo-
scope.
OK or NG
OK
>> GO TO 6.
NG
>> Replace display control unit.
Approx. 4V
SKIA9484E
Approx. 4V
SKIA4448E
40 (R/G) - Ground
: Refer to
and Reference Value for Dis-
play Control unit"
.
SKIA4447E
AV-200
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
6.
CHECK4: AUDIO-RX COMMUNICATION SIGNAL
1.
Turn ignition switch ON.
2.
Check signal between display control unit harness connector
M43 terminal 42 (R/Y) and ground with CONSULT-ll or oscillo-
scope.
OK or NG
OK
>> Replace display control unit.
NG
>> Replace audio unit.
Display Communication Line Check (Between Display Control Unit and Display)
AKS005RA
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect display connector and display control unit connector.
3.
Check continuity between display control unit and Display.
4.
Check continuity between display control unit and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
2.
CHECK1: COMMUNICATION SIGNAL (DCU–DSP)
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.
42 (R/Y) - Ground
: Refer to
and Reference Value for Dis-
play Control unit"
SKIA4448E
Terminals
Continuity
Display control unit (+)
Display (–)
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M43
36 (O/L)
M38
11 (O/L)
Yes
38 (W/L)
22 (W/L)
Terminals
Continuity
Display control unit(+)
(–)
Connector
Terminal (Wire color)
M43
36 (O/L)
Ground
No
38 (W/L)
SKIA4451E
Approx. 4V
SKIA9503E
NAVIGATION SYSTEM
AV-201
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3.
CHECK2: COMMUNICATION SIGNAL (DSP–DCU)
1.
Disconnect display connector, and connect display control unit connector.
2.
Turn ignition switch ON.
3.
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.
4.
CHECK3: COMMUNICATION SIGNAL (DCU–DSP)
1.
Connect display connector.
2.
Turn ignition switch ON.
3.
Check signal between display control unit harness connector
M43 terminal 36 (O/L) and ground with CONSULT-ll or oscillo-
scope.
OK or NG
OK
>> GO TO 5.
NG
>> Replace display control unit.
5.
CHECK4: COMMUNICATION SIGNAL (DSP–DCU)
1.
Turn ignition switch ON.
2.
Check signal between display control unit harness connector
M43 terminal 38 (W/L) and ground with CONSULT-ll or oscillo-
scope.
OK or NG
OK
>> Replace display control unit.
NG
>> Replace display.
Approx. 4V
SKIA4453E
36 (O/L) - Ground
: Refer to
and Reference Value for Dis-
play Control unit"
.
SKIA4452E
38 (W/L) – Ground
: Refer to
and Reference Value for Dis-
play Control unit"
.
SKIA4453E
AV-202
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
AV Communication Line Check (Between Display Control Unit and A/C and AV
Switch)
AKS005RB
1.
CHECK A/C AND AV SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display control unit connector and A/C and AV switch connector.
3.
Check continuity between display control unit and A/C and AV switch.
4.
Check continuity between display control unit and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
2.
CHECK AV COMMUNICATION SIGNAL
1.
Connect display control unit connector and A/C and AV switch connector.
2.
Turn ignition switch ON.
3.
Check signal between display control unit harness connector
M43 terminal 28 (L/G) and 30 (L/R) with CONSULT-ll or oscillo-
scope.
OK or NG
OK
>> Replace A/C and AV switch.
NG
>> Replace display control unit.
Terminals
Continuity
Display control unit (+)
A/C and AV switch (–)
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M43
28 (L/G)
M48
6 (L/G)
Yes
30 (L/R)
8 (L/R)
Terminals
Continuity
Display control unit(+)
(–)
Connector
Terminal (Wire color)
M43
28 (L/G)
Ground
No
30 (L/R)
SKIA4456E
28 (L/G), 30 (L/R) - Ground
: Refer to
nals and Reference Value
for Display Control unit"
.
SKIA4457E
NAVIGATION SYSTEM
AV-203
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CAN Communication Line Check
AKS005RC
1.
CHECK MONITOR DESCRIPTION
1.
Start display control unit self-diagnosis. Refer to
AV-174, "Self-Diagnosis Mode (DCU)"
2.
Select “CAN DIAG SUPPORT MONITOR”. Refer to
.
3.
Record each item display description (OK/NG/UKNWN) 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
If NAVI Control Unit Detects That DVD-ROM Map is not Inserted
AKS005RD
1.
CHECK DVD-ROM
1.
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.
CHECK1: DVD-ROM
1.
Remove inserted DVD-ROM map to check that it is identified.
OK or NG
OK
>> GO TO 2.
NG
>> Replace identified DVD-ROM map.
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
OK
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-204
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
2.
CHECK2: DVD-ROM
1.
Check removed DVD-ROM that there are dirt, scratch and warp.
OK or NG
OK
>> GO TO 3.
NG
>> Replace DVD-ROM map.
3.
CHECK3: DVD-ROM
1.
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
1.
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
1.
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.
RGB Screen is Not Shown
AKS004RM
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect display control unit connector and display connector.
3.
Check continuity between display control unit harness connector M43 terminal 51 (B) and display harness
connector M38 terminal 9 (B).
4.
Check continuity between display control unit harness connector
M43 terminal 55 (R) and display harness connector M38 termi-
nal 8 (R).
5.
Check continuity between display control unit harness connector
M43 terminal 51 (B), 55 (R) and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
Continuity should exist.
Continuity should exist.
Continuity should not exist.
SKIA4304E
NAVIGATION SYSTEM
AV-205
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2.
CHECK HORIZONTAL SYNCHRONIZATION SIGNAL
1.
Connect display control unit connector and display connector.
2.
Turn ignition switch ON.
3.
Check signal between display control unit connector M43 termi-
nals 55 (R) and 49 with CONSULT-ll or oscilloscope.
OK or NG
OK
>> GO TO 3.
NG
>> Replace display.
3.
CHECK RGB AREA SIGNAL
1.
Press the “TRIP” button.
2.
Check signal between display control unit connector M43 termi-
nals 51 (B) and 49 with CONSULT-ll or oscilloscope.
OK or NG
OK
>> Replace display.
NG
>> Replace display control unit.
Color of RGB Image is Not Proper (NAVI Screen Looks Bluish)
AKS005SO
1.
CHECK RGB HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit connector and display control unit connector.
3.
Check continuity between NAVI control unit and display control unit.
4.
Check continuity between NAVI control unit and ground.
●
When the screen looks bluish
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
55 (R) - 49
: Refer to
ence Value for Display Control unit"
SKIA4305E
51 (B) –49
: Refer to
ence Value for Display Control unit"
SKIA4306E
Terminals
Continuity
NAVI control unit (+)
Display control unit (–)
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M62
18 (BR/Y)
M43
44 (BR/Y)
Yes
17
45
Terminals
Continuity
NAVI control unit (+)
(–)
Connector
Terminal (Wire color)
M62
18 (BR/Y)
Ground
No
17
SKIA4349E
AV-206
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
2.
CHECK RGB SIGNAL
1.
Connect NAVI control unit connector and display control unit connector.
2.
Turn ignition switch ON.
3.
Display “Color bar” by “CONFIRMATION/ADJUSTMENT” mode.
4.
Check signal between NAVI control unit terminal 18 (BR/Y) and
17 with CONSULT-ll or oscilloscope.
●
When the screen looks bluish.
Voltage signal between NAVI control unit connector M62 termi-
nal 18 (BR/Y) and 17.
OK or NG
OK
>> Replace display control unit.
NG
>> Replace NAVI control unit.
Color of RGB Image is Not Proper (NAVI Screen Looks Reddish)
AKS005SP
1.
CHECK RGB HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit connector and display control unit connector.
3.
Check continuity between NAVI control unit and display control unit.
4.
Check continuity between NAVI control unit and ground.
●
When the screen looks reddish.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
18 (BR/Y) – 17
: Refer to
and Reference Value for
NAVI Control unit"
SKIA4629E
Terminals
Continuity
NAVI control unit (+)
Display control unit (–)
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M62
21 (BR/W)
M43
46 (BR/W)
Yes
17
45
Terminals
Continuity
NAVI control unit (+)
(–)
Connector
Terminal (Wire color)
M62
21 (BR/W)
Ground
No
17
SKIA4350E
NAVIGATION SYSTEM
AV-207
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2.
CHECK RGB SIGNAL
1.
Connect NAVI control unit connector and display control unit connector.
2.
Turn ignition switch ON.
3.
Display
″
Color bar
″
by
″
CONFIRMATION/ADJUSTMENT
″
mode.
4.
Check signal between NAVI control unit terminal 21 (BR/W) and
17 with CONSULT-ll or oscilloscope.
●
When the screen looks reddish.
Voltage signal between NAVI control unit connector M62 termi-
nal 21 (BR/W) and 17.
OK or NG
OK
>> Replace display control unit.
NG
>> Replace NAVI control unit.
Color of RGB Image is Not Proper (NAVI Screen Looks Yellowish)
AKS005SQ
1.
CHECK RGB HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit connector and display control unit connector.
3.
Check continuity between NAVI control unit and display control unit.
4.
Check continuity between NAVI control unit and ground.
●
When the screen looks yellowish.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
21 (BR/W) – 17
and Reference Value for
NAVI Control unit"
SKIA4630E
Terminals
Continuity
NAVI control unit (+)
Display control unit (–)
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M62
15 (BR)
M43
48 (BR)
Yes
17
45
Terminals
Continuity
NAVI control unit(+)
(–)
Connector
Terminal (Wire color)
M62
15 (BR)
Ground
No
17
SKIA4351E
AV-208
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
2.
CHECK RGB SIGNAL
1.
Connect NAVI control unit connector and display control unit connector.
2.
Turn ignition switch ON.
3.
Display
″
Color bar
″
by
″
CONFIRMATION/ADJUSTMENT
″
mode.
4.
Check signal between NAVI control unit terminal 15 (BR) and 17
with CONSULT-ll or oscilloscope.
●
When the screen looks yellowish.
Voltage signal between NAVI control unit connector M62 termi-
nal 15 (BR) and 17.
OK or NG
OK
>> Replace display control unit.
NG
>> Replace NAVI control unit.
Color of RGB Image is Not Proper (Excepting NAVI Screen Looks Bluish)
AKS005SR
1.
CHECK RGB HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect display control unit connector and display connector.
3.
Check continuity between display control unit and display.
4.
Check continuity between display control unit and ground.
●
When the screen looks bluish
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
15 (BR) – 17
: Refer to
and Reference Value for
NAVI Control unit"
SKIA4631E
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 (+)
(–)
Connector
Terminal (Wire color)
M43
50 (G/Y)
Ground
No
47
SKIA4353E
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