Infiniti F50. Manual — part 182
NAVIGATION SYSTEM
AV-93
C
D
E
F
G
H
I
J
L
M
A
B
AV
Vehicle Speed Signal Check
EKS001LZ
1.
HARNESS CHECK
1.
Turn ignition switch OFF.
2.
Disconnect AV and NAVI control unit connector and combination meter connector.
3.
Check continuity between AV and NAVI control unit harness
connector B29 terminal 28 (OR/L) and combination meter har-
ness connector M41 terminal 17 (OR/L).
4.
Check continuity between AV and NAVI control unit harness
connector B29 terminal 28 (OR/L) and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness.
2.
VEHICLE SPEED SIGNAL CHECK 1
1.
Connect AV and NAVI control unit connector and combination meter connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV and NAVI control unit harness con-
nector B29 terminal 28 (OR/L) and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace AV and NAVI control unit
3.
VEHICLE SPEED SIGNAL CHECK 2
1.
Drive vehicle at a constant speed.
2.
Check the signal between AV and NAVI control unit harness
connector B29 terminal 28 (OR/L) and ground with CONSULT
−
ll
or oscilloscope.
OK or NG
OK
>> Replace AV and NAVI control unit.
NG
>> Check combination meter system, refer to
"Inspection/Vehicle Speed Signal"
Continuity should exist.
Continuity should not exist.
SKIA3516E
Approx. 3.5V or more
SKIA3517E
28 (OR/L) - Ground
: Refer to
and Reference Value for AV
and NAVI Control unit"
SKIA3517E
AV-94
NAVIGATION SYSTEM
Illumination Control Signal Check
EKS001M1
1.
ILLUMINATION CONTROL SIGNAL CHECK
1.
Turn ignition switch ON.
2.
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 BCM.
Ignition Signal Check
EKS001M2
1.
IGNITION SIGNAL CHECK
1.
Disconnect the AV and NAVI control unit connector.
2.
Turn ignition switch ON.
3.
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.
Terminals
Lighting switch position
(+)
(–)
Connector
Terminal (Wire color)
1st or 2nd
position
OFF
B29
25 (R/L)
Ground
Approx. 3.5V
or more
Approx. 1.5V
or less
SKIA3557E
Battery voltage should exist.
SKIA3518E
NAVIGATION SYSTEM
AV-95
C
D
E
F
G
H
I
J
L
M
A
B
AV
Reverse Signal Check
EKS001M3
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 lump position
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. 3.0V or
less
SKIA3558E
AV-96
NAVIGATION SYSTEM
RGB Screen Is Not Shown
EKS001M4
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 (LG).
4.
Check continuity between AV and NAVI control unit harness
connector B30 terminal 13 (W) and Display harness connector
M82 terminal 5 (L/Y).
5.
Check continuity between 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.
Continuity should exist.
Continuity should exist.
Continuity should not exist.
SKIA3559E
13 (W) - 14
: Refer to
ence Value for AV and NAVI Control unit"
.
SKIA3519E
12 (B) -14
: Refer to
ence Value for AV and NAVI Control unit"
.
SKIA3520E
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