Nissan Almera Tino V10. Instruction — part 783
2
HORIZONTAL SYNCHRONIZATION SIGNAL CHECK
1. Connect AV and NAVI control unit connector and Display connector.
2. Turn the ignition switch ON.
3. Check voltage signal between AV and NAVI control unit connector terminals 13 (BR) and 17 with oscilloscope or CON-
SULT-ll.
YEL383E
13 (BR)-17: EL-400, “Terminals and Reference Value for AV and NAVI Control Unit”
OK or NG
OK
©
GO TO 3.
NG
©
Replace the display unit.
3
RGB AREA SIGNAL CHECK
1. Press “INFO” switch.
2. Check voltage signal between AV and NAVI control unit connector terminals 12 (R) and 17with oscilloscope or CON-
SULT-ll.
YEL384E
12 (R)-17: EL-400, “Terminals and Reference Value for AV and NAVI Control Unit”
OK or NG
OK
©
Replace the display unit.
NG
©
Replace AV and NAVI control unit.
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-428
NO SCREENS APPEAR
=NLEL0687S09
1
CHECK SYMPTOM
Check possibility to operate air conditioning and audio unit by multifunction switch.
OK or NG
OK
©
GO TO 2.
NG
©
EL-447, “System Does Not Start”.
2
DISPLAY UNIT POWER SYSTEM HARNESS CHECK
Check voltage between Display and ground. EL-419 , “Check Power Supply and Ground Circuit for Display”.
OK or NG
OK
©
Replace the display unit.
NG
©
Open or short in display unit power system harness.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-429
COLOR OF RGB IMAGE IS NOT PROPER
=NLEL0687S10
1
COLOR BAR DIAGNOSIS CHECK
Check color tone by “SCREEN ADJUSTMENT” of CONFIRMATION/ADJUSTMENT function.
OK or NG
OK
©
INSPECTION END.
NG
©
GO TO 2.
2
HARNESS CHECK-1
1. Turn the ignition switch OFF.
2. Disconnect AV and NAVI control unit connector and Display connector.
3. Check continuity between AV and NAVI control unit and Display.
4. Check continuity between AV and NAVI control unit and ground.
I
When the screen looks bluish
YEL385E
MTBL1731
MTBL1732
OK or NG
OK
©
GO TO 3.
NG
©
I
Repair harness.
I
Check connector housings for disconnected or loose terminals.
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-430
3
HARNESS CHECK-2
1. Check continuity between AV and NAVI control unit and ground.
I
When the screen looks reddish
YEL386E
MTBL1733
MTBL1734
OK or NG
OK
©
GO TO 4.
NG
©
I
Repair harness.
I
Check connector housings for disconnected or loose terminals.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-431
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