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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Audio, Visual & Navigation System) >> Ecu Diagnosis Information >> Av Control Unit >> Reference Value >> Physical Values
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Physical Values

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
TERMINALS REFERENCE

Terminal
(Wire color)
Description Condition Reference value (Approx.)
+ - Signal name Input/Output
1 (W/B) Ground BOSE amp. ON signal Output Ignition switch ACC - 12.0 V
2 (L) 3 (P) Sound signal front LH Output Ignition switch ON Sound output
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
4 (V) 5 (LG) Sound signal rear LH Output Ignition switch ON Sound output
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
6 (Y/G) 15 (B) Steering switch signal A Input Ignition switch ON Keep pressing SOURCE switch. 0 V
Keep pressing MENU UP switch. 1.0 V
Keep pressing MENU DOWN switch. 2.0 V
Keep pressing switch 3.0 V
Keep pressing ENTER switch. 4.0 V
Except for above. 5.0 V
7 (V) Ground ACC power supply Input Ignition switch ACC - Battery voltage
11 (Y/L) 12 (Y/G) Sound signal front RH Output Ignition switch ON Sound output
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
13 (O) 14 (W) Sound signal rear RH Output Ignition switch ON Sound output
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
16 (Y/L) 15 (B) Steering switch signal B Input Ignition switch ON Keep pressing VOL DOWN switch. 0 V
Keep pressing VOL UP switch. 1.0 V
Keep pressing switch. 2.0 V
Keep pressing switch. 3.0 V
Except for above. 5.0 V
19 (Y/R) Ground Battery power supply Input Ignition switch OFF - Battery voltage
20 (B) Ground Ground - Ignition switch ON - 0 V
26 (LG) Ground AUX image signal Input Ignition switch ON At front AUX image is displayed.
G04890020Courtesy of NISSAN MOTOR CO., U.S.A.
29 (W/B) Ground Disk eject signal Input Ignition switch ON Pressing the eject switch. 0 V
Except for above. 5.0 V
30 (R/W) Ground Mode change signal Output Ignition switch ON Driver's Audio Stage ON 0 V
Driver's Audio Stage OFF 8.5 V
33 (L) Ground Composite image signal ground - Ignition switch ON - 0 V
34 (P) Ground Composite image signal Output Ignition switch ON When DVD, USB or front AUX image is displayed on headrest display unit LH or RH.
G04890020Courtesy of NISSAN MOTOR CO., U.S.A.
46 (V) Ground AUX image signal ground - Ignition switch ON - 0 V
47 - Shield - - - -
49 (R/W) Ground Switch ground - Ignition switch ON - 0 V
53 - Shield - - - -
65 (W) Ground Parking brake signal Input Ignition switch ON Parking brake is applied. 0 V
Parking brake is released. 4.5 V
67 (W) Ground Composite image signal ground - Ignition switch ON - 0 V
68 (R) Ground Composite image signal Output Ignition switch ON At DVD image is displayed.
G04890020Courtesy of NISSAN MOTOR CO., U.S.A.
72 (Y/G) Ground Microphone VCC Output Ignition switch ON - 5.0 V
73 (Y/G) Ground Communication signal (CONT→DISP) Output Ignition switch ON When adjusting display brightness.
G05219856Courtesy of NISSAN MOTOR CO., U.S.A.
74 (P) - CAN-L Input/Output - - -
75 (LG) - AV communication signal (L) Input/Output - - -
76 (LG) - AV communication signal (L) Input/Output - - -
79 (L/O) Ground Dimmer signal Input Ignition switch ON Either of the following conditions
  • Lighting switch is OFF
  • Lighting switch is 1st or 2nd, and the area around the vehicle is bright (shine a light on the optical sensor)
0 V
Lighting switch is 1st or 2nd, and the area around the vehicle is dark (block the light from the optical sensor) 12.0 V
80 (GR/L) Ground Ignition signal Input Ignition switch ON - Battery voltage
81 (R/Y) Ground Reverse signal Input Ignition switch ON Selector lever is in R position. 12.0 V
Selector lever is in other than R position. 0 V
82 (BR/W) Ground Vehicle speed signal (8-pulse) Input Ignition switch ON When vehicle speed is approx. 40 km/h (25 MPH)
NOTE: The maximum voltage varies depending on the specification (destination unit).
G05223684Courtesy of NISSAN MOTOR CO., U.S.A.
83 - Shield - - - -
84 (W/B) Ground Composite image synchronizing signal Output Ignition switch ON At DVD image is displayed.
G04890020Courtesy of NISSAN MOTOR CO., U.S.A.
87 (Y/L) 71 Microphone signal Input Ignition switch ON Give a voice.
G04889901Courtesy of NISSAN MOTOR CO., U.S.A.
88 - Shield - - - -
89 (Y/L) Ground Communication signal (DISP→CONT) Input Ignition switch ON When adjusting display brightness.
G05219856Courtesy of NISSAN MOTOR CO., U.S.A.
90 (L) - CAN-H Input/Output - - -
91 (SB) - AV communication signal (H) Input/Output - - -
92 (SB) - AV communication signal (H) Input/Output - - -
104 (W) 119 (W/L) AUX sound signal LH Input Ignition switch ON When front AUX mode is selected.
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
106 (W) 120 (R) Sound signal LH Output Ignition switch ON When DVD or USB mode is selected on headrest display unit LH or RH.
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
107 (B) 121 (G) Sound signal RH Output Ignition switch ON When DVD or USB mode is selected on headrest display unit LH or RH.
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
117 - Shield - - - -
118 (O) 119 (W/L) AUX sound signal RH Input Ignition switch ON When front AUX mode is selected.
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
122 - Shield - - - -
129 (G) - USB ground - - - -
130 (R) - USB D-signal - - - -
131 (W) - V BUS signal - - - -
132 (L) - USB D+ signal - - - -
133 - Shield - - - -
150 - FM sub Input - - -
151 - AM-FM main Input - - -
152 Ground Antenna amp. ON signal Input Ignition switch ON - 12.0 V
153 Ground GPS antenna signal Input Ignition switch ON Not connected GPS antenna connector. 5.0 V
154 - Shield - - - -
157 Ground RGB digital image signal (-) Output Ignition switch ON Not connected connector. 1.3 V
158 Ground RGB digital image signal (+) Output Ignition switch ON Not connected connector. 1.3 V
159 Ground Satellite radio antenna signal Input Ignition switch ON Not connected satellite antenna connector. 5.0 V