Infiniti M45 (Y34). Manual — part 188
NAVIGATION SYSTEM
AV-85
C
D
E
F
G
H
I
J
L
M
A
B
AV
Ignition Signal Check
AKS003XQ
1.
IGNITION SIGNAL CHECK
1.
Turn ignition switch ON.
2.
Check voltage between AV and NAVI control unit harness con-
nector B29 terminal 26 (W/G) and ground.
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.
26 (W/G) - Ground
: Battery voltage should exist.
SKIA9208E
AV-86
NAVIGATION SYSTEM
Reverse Signal Check
AKS003XR
1.
REVERSE LAMP CHECK
1.
Turn ignition switch ON.
2.
A/T shift 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.
REVERSE SIGNAL CHECK
With the selector lever in R-position, Check voltage between AV and
NAVI control unit and ground.
OK or NG
OK
>> Replace AV and NAVI control unit.
NG
>> Check harness for open or short between AV and NAVI
control unit and back–up lamp relay.
Terminals
A/T selector lever position
(+)
(–)
Connector
Terminal
(Wire color)
R-position
Other than R-
position
B29
27(R/B)
Ground
Battery voltage
Approx. 0V
SKIA9207E
NAVIGATION SYSTEM
AV-87
C
D
E
F
G
H
I
J
L
M
A
B
AV
RGB Screen is Not Shown
AKS003XS
1.
HARNESS CHECK
1.
Turn ignition switch OFF.
2.
Disconnect AV and NAVI control unit connector and Display connector.
3.
Check continuity between AV and NAVI control unit harness connector B30 terminal 12(B) and Display
harness connector M82 terminal 8 (B).
4.
Check continuity between AV and NAVI control unit harness
connector B30 terminal 13 (W) and Display harness connector
M82 terminal 5 (W).
5.
Check continuity between AV and NAVI control unit harness
connector B30 terminal 12 (B), 13 (W) and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness.
2.
HORIZONTAL SYNCHRONIZATION SIGNAL CHECK
1.
Connect AV and NAVI control unit connector and Display connector.
2.
Turn ignition switch ON.
3.
Check the signal between AV and NAVI control unit harness
connector B30 terminals 13 (W) and 14 with CONSULT-ll or
oscilloscope.
OK or NG
OK
>> GO TO 3.
NG
>> Replace Display.
3.
RGB AREA SIGNAL CHECK
1.
Press “INFO” switch.
2.
Check the signal between AV and NAVI control unit harness
connector B30 terminals 12 (B) and 14 with CONSULT-ll or
oscilloscope.
OK or NG
OK
>> Replace Display.
NG
>> Replace AV and NAVI control unit.
12 (B) - 8 (B)
: Continuity should exist.
13 (W) - 5 (W)
: Continuity should exist.
12 (B), 13 (W) - Ground
: Continuity should not exist.
SKIA3559E
13 (W) - 14
: Refer to
ence Value for AV and NAVI Control Unit"
.
SKIA3519E
12 (B) -14
AV-64, "Terminals and Reference
Value for AV and NAVI Control Unit"
SKIA3520E
AV-88
NAVIGATION SYSTEM
Color of RGB Image is Not Proper
AKS003XT
1.
COLOR BAR DIAGNOSIS CHECK
Check color tone by “SCREEN ADJUSTMENT” of Confirmation/Adjustment Mode function.
OK or NG
OK
>> Inspection end.
NG
>> GO TO 2.
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