Infiniti M45 (Y34). Manual — part 187
NAVIGATION SYSTEM
AV-81
C
D
E
F
G
H
I
J
L
M
A
B
AV
DATA MONITOR (SIGNAL MONITOR)
●
Displays status of the vehicle signal input to the AV and NAVI
control unit. (Refer to
AV-73, "Confirmation/Adjustment Mode"
for operation conditions for the connections to be indicated.)
●
For each signal, a comparison of actual operating status and the status recognized by the system can be
checked.
SKIA3923E
DATA MONITOR item
Display
Condition
Remarks
VHCL SPD SIG
ON
Vehicle speed > 0 km/h (0 MPH)
Changes in indication may be delayed by
approx. 1.5 seconds. This is normal.
OFF
Vehicle speed = 0 km/h (0 MPH)
-
Ignition switch in ACC position
FOOT BREAK
ON
-
This item cannot be monitored.
(No change of display)
PARKING BRAKE
ON
-
This item cannot be monitored.
(No change of display)
MTR ILL DIM
ON
Lighting switch ON
-
OFF
Lighting switch OFF
IGN SW
ON
Ignition switch ON
-
OFF
Ignition switch ACC or OFF
PNP SW
ON
-
This item cannot be monitored.
(No change of display)
AV-82
NAVIGATION SYSTEM
VERSION
Displays version of each unit connected to the AV and NAVI control unit.
SKIA3575E
Version display
Remarks
“PANEL SW”
Multifunction switch
“MAP DISK”
Map disc
“HEAD UNIT”
AV and NAVI control unit
“REAR VIEW CAMERA”
-
“FRONT SEAT DISPLAY”
Display
“AUDIO HEAD UNIT”
-
“AIR COMP RECEIVER”
Low tire pressure warning control unit
“BOSE AMP”
-
“IVCS”
-
“VOICE UNIT”
Voice activated control module
NAVIGATION SYSTEM
AV-83
C
D
E
F
G
H
I
J
L
M
A
B
AV
Power Supply and Ground Circuit Check
AKS003XN
1.
CHECK FUSE
●
Make sure the following fuses of the AV and NAVI control unit are not blown.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown be sure to eliminate case of malfunction before installing new fuse. Refer to
2.
POWER SUPPLY CIRCUIT CHECK
1.
Disconnect the AV and NAVI control unit connector.
2.
Check voltage between the following AV and NAVI control unit
harness connector terminals and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open or short between AV and NAVI control unit and fuse.
3.
GROUND CIRCUIT CHECK
Check continuity between the following AV and NAVI control unit and
ground.
OK or NG
OK
>> Inspection end.
NG
>> Repair or replace harness.
Terminals
Power source
Fuse No.
Connector
Terminal (Wire color)
B30
2 (SB), 3 (SB)
Battery power
52
B30
6 (L/B)
ACC power
21
Terminals
OFF
ACC
(+)
(–)
Connector
Terminal
(Wire color)
B30
2 (SB), 3 (SB)
Ground
Battery voltage
Battery voltage
B30
6 (L/B)
Ground
0V
Battery voltage
SKIA3555E
Terminals
Ignition switch
Continuity
(+)
(–)
Connector
Terminal (Wire color)
B30
1 (B),4 (B)
Ground
OFF
Yes
SKIA3515E
AV-84
NAVIGATION SYSTEM
Vehicle Speed Signal Check
AKS003XO
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 37 (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 2
1.
Connect AV and NAVI control unit connector and combination meter connector.
2.
Drive vehicle at a constant speed.
3.
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
Illumination Control Signal Check
AKS003XP
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.
28 (OR/L) - 37 (OR/L)
: Continuity should exist.
28 (OR/L) - Ground
: Continuity should not exist.
SKIA3925E
28 (OR/L) - Ground
: Refer to
and Reference Value for AV
and NAVI Control Unit"
SKIA3517E
Terminals
Lighting switch position
(+)
(–)
Connector
Terminal (Wire
color)
1st or 2nd
position
OFF
B29
25 (R/L)
Ground
Approx. 12V
Approx. 0V
SKIA3557E
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