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![INFINITI QX56 2009 Factory Service Manual AV-114
< ECU DIAGNOSIS >[AUDIO SYSTEM]
AV CONTROL UNIT
79
(G/R) Ground IGN ON or START power
supply InputIgnition
switch ON or
START —
Battery voltage
80
(G) Ground Parking brake signal Input Ign INFINITI QX56 2009 Factory Service Manual AV-114
< ECU DIAGNOSIS >[AUDIO SYSTEM]
AV CONTROL UNIT
79
(G/R) Ground IGN ON or START power
supply InputIgnition
switch ON or
START —
Battery voltage
80
(G) Ground Parking brake signal Input Ign](/manual-img/42/57031/w960_57031-299.png)
AV-114
< ECU DIAGNOSIS >[AUDIO SYSTEM]
AV CONTROL UNIT
79
(G/R) Ground IGN ON or START power
supply InputIgnition
switch ON or
START —
Battery voltage
80
(G) Ground Parking brake signal Input Ignition
switch ON Parking brake ON
0V
Parking brake OFF Battery voltage
81
(G/W) Ground Reverse signal
InputIgnition
switch ON R position
Battery voltage
Other than R position 0V
82
(W/R) Ground Vehicle speed signal (8-
pulse) InputIgnition
switch ON When vehicle speed is ap-
prox. 40 km/h (25MPH)
84
(BR) —
Rear view camera control
signal Input —
— —
92
(L/W) —AV communication signal 2
(H) Input/
Output ——
—
93
(B/P) —AV communication signal 2
(L) Input/
Output ——
—
94
(W/L) —
AV communication signal 1
(H) Input/
Output ——
—
95
(P/B) —
AV communication signal 1
(L) Input/
Output ——
—
96
(L) —CAN–H Input/
Output ——
—
97
(P) —CAN–L Input/
Output ——
—
121 Ground Antenna amp. ON signal Output Ignition
switch ACC —
Battery voltage
122 — Amplified window antenna
signal
Input —
— —
123 — GPS antenna signal — —— —
124 — Shield — —— —
125 — Satellite antenna signal Input Ignition
switch AC C ——
T
erminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
SKIA6649J
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Wiring DiagramINFOID:0000000003776892
ABNWA0012GB
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AV-116
< ECU DIAGNOSIS >[AUDIO SYSTEM]
AV CONTROL UNIT
ALNWA0084GB
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ABNWA0013GB
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AV-118
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AV CONTROL UNIT
ABNWA0014GB
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ABNWA0015GB
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AV-120
< ECU DIAGNOSIS >[AUDIO SYSTEM]
AV CONTROL UNIT
ABNWA0016GB
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ABNWA0017GB
Revision: December 20092009 QX56