Nissan Almera Tino V10. Instruction — part 781
3
GROUND CIRCUIT INSPECTION
Check continuity between display and ground.
YEL374E
MTBL1721
OK or NG
OK
©
INSPECTION END
NG
©
Check ground circuit.
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-420
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR
MULTIFUNCTION SWITCH
=NLEL0687S03
1
CHECK FUSE
Check for blown fuses at display unit along with multifunction switch fuses listed below.
MTBL1722
OK or NG
OK
©
GO TO 2.
NG
©
Replace the fuse.
2
POWER SUPPLY CIRCUIT INSPECTION
1. Disconnect display unit or multifunction switch connector.
2. Check voltage between multifunction switch and ground.
YEL375E
MTBL1723
OK or NG
OK
©
GO TO 3.
NG
©
Check harness for open or short between multifunction switch and fuse.
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-421
3
GROUND CIRCUIT INSPECTION
Check continuity between multifunction switch and ground.
YEL376E
MTBL1724
OK or NG
OK
©
INSPECTION END
NG
©
Check ground circuit.
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-422
VEHICLE SPEED SIGNAL CHECK
=NLEL0687S04
1
CHECK VEHICLE SPEED CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect AV and NAVI control unit connector and combination meter connector.
3. Check continuity AV and NAVI control unit and combination meter.
YEL377E
MTBL1725
OK or NG
OK
©
GO TO 2.
NG
©
I
Repair harness.
I
Check connector housings for disconnected or loose terminals.
2
CHECK VEHICLE SPEED SIGNAL
1. Connect combination meter connector.
2. While driving vehicle at a constant speed.
3. Check voltage signal between AV and NAVI control unit and ground with oscilloscope or CONSULT-ll.
YEL378E
33 (L/B)-ground:
EL-400, “Terminals and Reference Value for AV and NAVI Control Unit”
OK or NG
OK
©
Replace AV and NAVI control unit.
NG
©
Check combination meter system. EL-107, “Combination Meter Self-Diagnosis”.
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-423
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