Almera Tino V10 (2003 year). Manual — part 183
Trouble Diagnoses
NLEL0687
POWER SUPPLY AND GROUND CIRCUIT CHECK
NLEL0687S01
1
CHECK FUSE
Check that the following fuses of the AV and NAVI control unit are not blown.
MTBL1516
OK or NG
OK
©
GO TO 2.
NG
©
If fuse is blown, be sure to eliminate case of problem before installing new fuse. EL-12,
“POWER SUPPLY ROUTING”.
2
POWER SUPPLY CIRCUIT CHECK
1. Disconnect the AV and NAVI control unit connector.
2. Check voltage between AV and NAVI control unit and ground.
YEL371E
MTBL1719
OK or NG
OK
©
GO TO 3.
NG
©
Check harness for open or short between AV and NAVI control unit and fuse.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
NAVIGATION SYSTEM
Trouble Diagnoses
EL-417
3
GROUND CIRCUIT CHECK.
1. Turn the ignition switch OFF.
2. Check continuity between the following AV and NAVI control unit harness connector M95 1 (B), 4 (B), 5 (BR) and
ground.
YEL372E
Continuity should exist.
OK or NG
OK
©
INSPECTION END.
NG
©
Repair or replace harness.
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-418
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR
DISPLAY
=NLEL0687S02
1
CHECK FUSE
Check for blown fuses at display unit along with multifunction switch fuses listed below.
MTBL1518
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 display harness connector M97 and ground.
YEL373E
MTBL1720
OK or NG
OK
©
GO TO 3.
NG
©
Check harness for open or short between display 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-419
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
ILLUMINATION CONTROL SIGNAL CHECK
NLEL0687S05
1
ILLUMINATION CONTROL SIGNAL CHECK
1. Turn the ignition switch ON.
2. Check voltage between AV and NAVI control unit and ground.
YEL379E
MTBL1726
OK or NG
OK
©
Replace AV and NAVI control unit.
NG
©
Check harness for open or short between AV and NAVI control unit and combination
switch.
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-424
IGNITION SIGNAL CHECK
NLEL0687S06
1
IGNITION SIGNAL CHECK
1. Disconnect the AV and NAVI control unit connector.
2. Turn the ignition switch ON.
3. Check voltage between AV and NAVI control unit and ground.
YEL380E
MTBL1727
OK or NG
OK
©
Replace AV and NAVI control unit.
NG
©
Check harness for open or short between AV and NAVI control unit 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-425
REVERSE SIGNAL CHECK
=NLEL0687S07
1
REVERSE LAMP CHECK
1. Turn the ignition switch ON.
2. A/T shift selector lever or gear position into R-position. Does “R” in the back-up lamp illuminate?
Yes or No
Yes
©
GO TO 2.
No
©
Check back-up lamp circuit. Refer to EL-57, “Wiring Diagram — BACK/L —”.
2
REVERSE SIGNAL CHECK
1. With the selector lever in R-position.
2. Check voltage between AV and NAVI control unit and ground.
YEL381E
MTBL1728
OK or NG
OK
©
Replace AV and NAVI control unit.
NG
©
Check the following.
I
Harness for open or short between AV and NAVI control unit and park/neutral position
switch (A/T models and YD22DDTi engine models)
I
Harness for open or short between AV and NAVI control unit and back-up lamp switch
(QG engine and YD22DDT engine models)
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-426
RGB SCREEN IS NOT SHOWN
NLEL0687S08
1
HARNESS CHECK
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.
YEL382E
MTBL1729
4. Check continuity between AV and NAVI control unit and ground.
MTBL1730
OK or NG
OK
©
GO TO 2.
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-427
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
4
HARNESS CHECK-3
1. Check continuity between AV and NAVI control unit and ground.
I
When the screen looks yellowish
YEL387E
MTBL1735
MTBL1736
OK or NG
OK
©
GO TO 5.
NG
©
I
Repair harness.
I
Check connector housings for disconnected or loose terminals.
NAVIGATION SYSTEM
Trouble Diagnoses (Cont’d)
EL-432
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст