Infiniti Q45. Manual — part 324
VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-
TION SYSTEM
DI-163
C
D
E
F
G
H
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J
L
M
A
B
DI
12 (R/L)
Ground
Communication signal (–)
Input/
output
ON
—
13 (Y)
Communication signal (+)
Input/
output
ON
—
14
Shield
—
ON
—
0 V
15 (L)
Communication signal (–)
Input/
output
ON
—
16 (R)
Communication signal (+)
Input/
output
ON
—
17
Shield
—
ON
—
0 V
19 (L/OR)
ACC power supply
Input
ACC
—
Battery voltage
21 (PU/W)
Battery power supply
Input
OFF
—
Battery voltage
23 (PU/W)
22 (B)
Ground
—
ON
—
0 V
24 (B)
Terminal No.
(Wire color)
Item
Signal
input/
output
Condition
Reference value
(Approx.)
(+)
(–)
Ignition
switch
Operation
SKIA0176E
SKIA0175E
SKIA0176E
SKIA0175E
DI-164
VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-
TION SYSTEM
Terminals and Reference Value for Multifunction Switch
NKS001DN
On Board Self-Diagnosis Function (Without CONSULT-II)
NKS001DP
Refer to
AV-101, "On Board Self-Diagnosis Function (Without CONSULT-II)"
CONSULT-II Function (MULTI AV)
NKS001DO
Refer to
AV-115, "CONSULT-II Function (MULTI AV)"
.
Terminal No.
(Wire color)
Signal
Signal
input/
output
Condition
Reference value
(Approx.)
(+)
(–)
Ignition
switch
Operation
1 (L/OR)
Ground
ACC power supply
Input
ACC
—
Battery voltage
2 (B)
Ground
—
ON
—
0 V
9 (R)
Communication signal (+)
Input/
output
ON
—
10 (L)
Communication signal (–)
Input/
output
ON
—
11
Shield
—
ON
—
Approx. 0
15 (OR)
Communication signal (+)
Input/
output
ON
—
16 (W)
Communication signal (–)
Input/
output
ON
—
17
Shield
—
ON
—
Approx. 0
SKIA0175E
SKIA0176E
SKIA0175E
SKIA0176E
VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-
TION SYSTEM
DI-165
C
D
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A
B
DI
Multifunction Switch Self-Diagnosis Function
NKS001DQ
It can check ON/OFF operation of each switch in the multifunction switch and diagnose the input signals to the
rear control switch (audio) and steering switch (audio).
DIAGNOSIS FUNCTION
●
It can illuminate all the indicators (LED) in the multifunction switch.
●
It can check for continuity of the switches by sounding the buzzer when the multifunction switch is
pressed.
●
It can check for continuity of harness between multifunction switch and rear control switch (audio), or
steering switch (audio).
NOTE:
When it checks continuity of harness between multifunction switch and rear control switch (audio), rear
control cancel switch is in OFF position.
STARTING THE SELF-DIAGNOSIS MODE
1.
Turn ignition switch from OFF to ACC.
2.
Within 10 seconds, press and hold the function switches “1” and
“6 ”simultaneously for 5 seconds or more, when the buzzer
sounds at once.
3.
Release the function switches, when the buzzer sounds. And
self-diagnosis mode is started.
EXITING THE SELF-DIAGNOSIS MODE
●
Turn ignition switch OFF, or press and hold the function switches “1” and “6” simultaneously for 5 seconds.
Then the self-diagnosis ends.
Power Supply and Ground Circuit Inspection for Display
NKS001DS
1.
CHECK FUSES
Check for blown display fuses.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to
PKIB0257E
Unit
Power source
Fuse No.
Display
Battery
52
Ignition switch ACC or ON
21
DI-166
VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITH NAVIGA-
TION SYSTEM
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between display harness connector M82 terminals
19, 21, 23 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness between display and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display connector.
3.
Check continuity between display harness connector M82 termi-
nals 22, 24 and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check ground harness.
Power Supply and Ground Circuit Inspection for Multifunction Switch
NKS001DT
1.
CHECK POWER SUPPLY CIRCUIT
Check voltage between multifunction switch harness connector M83
terminal 1 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Check harness between multifunction switch and fuse.
2.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect multifunction switch connector.
3.
Check continuity between multifunction switch harness connec-
tor M83 terminal 2 and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check ground harness.
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
Connector
Terminal
M82
19
Ground
0 V
Battery voltage
21
Battery voltage
Battery voltage
23
Battery voltage
Battery voltage
PKIA9687E
22 – Ground
: Continuity should exist.
24 – Ground
PKIA9728E
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
Connector
Terminal
M83
1
Ground
0 V
Battery voltage
PKIA9729E
2 – Ground
: Continuity should exist.
PKIA9730E
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