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Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Audio, Visual & Navigation System (Base Audio Without Navigation) -- G37 Convertible) >> Ecu Diagnosis Information >> Av Control Unit >> Reference Value >> Physical Values

Physical Values

WARNING: This page is about a different car, the 2010 Infiniti G37. However, it is still accessible from the selected car via links, so may be relevant.
WIRE COLOR REFERENCE CHART

Terminal
(Wire color)		 Description Condition Reference value (Approx.)
+ - Signal name Input/Output
2 (L) 3 (W) Sound signal front LH Output Ignition switch ON Sound output
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
4 (LG) 5 (SB) Sound signal rear LH Output Ignition switch ON Sound output
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
6 (P) 15 (B) Steering switch signal A Input Ignition switch ON Keep pressing SOURCE switch. 0 V
Keep pressing MENU UP switch. 0.7 V
Keep pressing MENU DOWN switch. 1.3 V
Keep pressing MENU UP switch 2.0 V
Except for above. 3.3 V
7 (V) Ground ACC power supply Input Ignition switch ACC - Battery voltage
9 (L) Ground Illumination signal Input Ignition switch OFF Lighting switch is OFF. 0 V
Lighting switch is ON. 12.0 V
11 (BR) 12 (GR) Sound signal front RH Output Ignition switch ON Sound output
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
13 (L) 14 (P) Sound signal rear RH Output Ignition switch ON Sound output
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
16 (L) 15 (B) Steering switch signal B Input Ignition switch ON Keep pressing VOL DOWN switch. 0 V
Keep pressing VOL UP switch. 0.7 V
Keep pressing switch. 1.3 V
Except for above. 3.3 V
18 (G) Ground Ground - Ignition switch ON - 0 V
19 (BR) Ground Battery power supply Input Ignition switch OFF - Battery voltage
20 (B) Ground Ground - Ignition switch ON - 0 V
36 (BG) Ground Signal VCC Output Ignition switch ACC - 9.0 V
37 (LG) Ground Signal ground - Ignition switch OFF - 0 V
38 (R) Ground Horizontal synchronizing (HP) signal Input Ignition switch ON -
G04923333Courtesy of NISSAN MOTOR CO., U.S.A.
39 (L) Ground Communication signal (DISP→CONT) Input Ignition switch ON When adjusting display brightness.
G06625132Courtesy of NISSAN MOTOR CO., U.S.A.
40 (B) Ground RGB area (YS) signal Output Ignition switch ON At RGB image is displayed. 5.0 V
At DVD image is displayed.
G05219862Courtesy of NISSAN MOTOR CO., U.S.A.
41 - Shield - - - -
42 (W) Ground RGB synchronizing signal Output Ignition switch ON -
G04879209Courtesy of NISSAN MOTOR CO., U.S.A.
43 (G) Ground RGB signal (R: red) Output Ignition switch ON Start Confirmation/Adjustment mode, and then display color bar by selecting "Color Spectrum Bar" on Display Diagnosis screen.
G05722152Courtesy of NISSAN MOTOR CO., U.S.A.
44 (L) Ground RGB signal (G: green) Output Ignition switch ON Start Confirmation/Adjustment mode, and then display color bar by selecting "Color Spectrum Bar" on Display Diagnosis screen.
G05722153Courtesy of NISSAN MOTOR CO., U.S.A.
45 (P) Ground RGB signal (B: blue) Output Ignition switch ON Start Confirmation/Adjustment mode, and then display color bar by selecting "Color Spectrum Bar" on Display Diagnosis screen.
G05722154Courtesy of NISSAN MOTOR CO., U.S.A.
46 (V) Ground Composite image ground - Ignition switch ON - 0 V
47 (SB) Ground Composite image signal Output Ignition switch ON At rear view camera image is displayed.
G04890020Courtesy of NISSAN MOTOR CO., U.S.A.
48 (Y) Ground Inverter VCC Output Ignition switch ACC - 9.0 V
49 (BR) Ground Inverter ground - Ignition switch OFF - 0 V
50 (G) Ground Vertical synchronizing (VP) signal Input Ignition switch ON -
G04923331Courtesy of NISSAN MOTOR CO., U.S.A.
51 (LG) Ground Communication signal (CONT→DISP) Output Ignition switch ON When adjusting display brightness.
G05219856Courtesy of NISSAN MOTOR CO., U.S.A.
52 (B) - Shield - - - -
57 - Shield - - - -
58 - Shield - - - -
62 (G) Ground Camera image signal Input Ignition switch ON At rear view camera image is displayed.
G04890020Courtesy of NISSAN MOTOR CO., U.S.A.
71 (B) - Shield - - - -
72 (W) Ground Camera ground - Ignition switch ON - 0 V
73 (R) Ground Camera power supply Output Ignition switch ON At rear view camera image is displayed. 6.0 V
76 (LG) - AV communication signal (L) Input/Output - - -
77 (SB) - AV communication signal (H) Input/Output - - -
78 (LG) - AV communication signal (L) Input/Output - - -
79 (SB) - AV communication signal (H) Input/Output - - -
80 (P) - CAN-L Input/Output - - -
81 (L) - CAN-H Input/Output - - -
82 (BR) Ground Switch ground - Ignition switch ON - 0 V
86 - Shield - - - -
87 (L) 88 (P) TEL voice signal Input Ignition switch ON During voice guide output with the switch pressed.
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
92 (GR) 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.
93 (SB) Ground Parking brake signal Input Ignition switch ON Parking brake is ON. 0 V
Parking brake is OFF.
G05223673Courtesy of NISSAN MOTOR CO., U.S.A.
94 (BG) Ground Reverse signal Input Ignition switch ON R position 12.0 V
Other than R position 0 V
95 (G) Ground Ignition signal Input Ignition switch ON - Battery voltage
96 (SB) Ground Disk eject signal Input Ignition switch ON Pressing the eject switch. 0 V
Except for above. 3.3 V
120 (B) 124 (W) Satellite radio sound signal LH Input Ignition switch ON When satellite radio mode is selected.
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
121 (G) 125 (R) Satellite radio sound signal RH Input Ignition switch ON When satellite radio mode is selected.
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
122 (L) Ground Communication signal (CONT→SAT) Output Ignition switch ON When satellite radio mode is selected.
G06326184Courtesy of NISSAN MOTOR CO., U.S.A.
126 - Shield - - - -
127 - Shield - - - -
129 (P) Ground Request signal (SAT→CONT) Input Ignition switch ON When satellite radio mode is selected.
G04890005Courtesy of NISSAN MOTOR CO., U.S.A.
130 (G) Ground Communication signal (SAT→CONT) Input Ignition switch ON When satellite radio mode is selected.
G04890006Courtesy of NISSAN MOTOR CO., U.S.A.
132 (G) - USB ground - - - -
133 (R) - USB D-signal - - - -
134 (W) - V BUS signal - - - -
135 (L) - USB D+ signal - - - -
136 - Shield - - - -
138 - Antenna signal Input - - -
139 Ground Antenna amp. ON signal Output Ignition switch ACC - 12.0 V
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