LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> G37 Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 51 (Audio System, Visual System & Navigation System (BOSE Audio With Navigation) -- G37 Convertible) >> Ecu Diagnosis Information >> Av Control Unit >> Reference Value >> Physical Values
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Physical Values

WARNING: This page is about a different variant/trim than selected.
PHYSICAL VALUES CHART

Terminal (Wire color) Description Condition Reference value (Approx.)
+ - Signal name Input/Output
2 (P) 3 (L) Sound signal LH Output Ignition switch ON Sound output
G07161520Courtesy 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. 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
10 (B) - Shield - - - -
11 (R) 12 (G) Sound signal RH Output Ignition switch ON Sound output
G07161521Courtesy 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. 1.0 V
Keep pressing switch. 2.0 V
Keep pressing switch. 3.0 V
Except for above. 5.0 V
19 (BR) Ground Battery power supply Input Ignition switch OFF - Battery voltage
20 (B) Ground Ground - Ignition switch ON - 0 V
22 (R) Ground Camera power supply Output Ignition switch ON At rear view camera image is displayed. 6.0 V
Except for above. 0 V
29 (SB) Ground Disk eject signal Input Ignition switch ON Pressing the eject switch. 0 V
Except for above. 5.0 V
42 (W) Ground Camera ground - Ignition switch ON - 0 V
49 (BR) Ground Switch ground - Ignition switch ON - 0 V
65 (SB) Ground Parking brake signal Input Ignition switch ON Parking brake is ON. 0 V
Parking brake is OFF.
G07161522Courtesy of NISSAN MOTOR CO., U.S.A.
67 (P) Ground Composite image ground - Ignition switch ON - 0 V
68 (L) Ground Composite image signal Output Ignition switch ON At DVD image is displayed.
G07161523Courtesy of NISSAN MOTOR CO., U.S.A.
72 (G) Ground Microphone VCC Output Ignition switch ON - 5.0 V
73 (P) Ground Communication signal (CONT→DISP) Output Ignition switch ON When adjusting display brightness.
G07161524Courtesy 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) Ground Illumination signal Input Ignition switch OFF Lighting switch is OFF. 0 V
Lighting switch is ON. 12.0 V
80 (G) Ground Ignition signal Input Ignition switch ON - Battery voltage
81 (BG) Ground Reverse signal Input Ignition switch ON R position 12.0 V
Other than R position 0 V
82 (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).
G07161525Courtesy of NISSAN MOTOR CO., U.S.A.
83 - Shield - - - -
87 (R) 71 Microphone signal Input Ignition switch ON Give a voice
G07161526Courtesy of NISSAN MOTOR CO., U.S.A.
88 - Shield - - - -
89 (L) Ground Communication signal (DISP→CONT) Input Ignition switch ON When adjusting display brightness.
G07161527Courtesy 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 - - -
129 (G) - USB ground - - - -
130 (R) - USB D- signal - - - -
131 (W) - V BUS signal - - - -
132 (L) - USB D+ signal - - - -
133 - Shield - - - -
135 (BR) 136 (Y) Voice guidance signal Output Ignition switch ON Sound output
G07161528Courtesy of NISSAN MOTOR CO., U.S.A.
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 antenna signal Input Ignition switch ON Not connected satellite antenna connector. 5.0 V
160 - Shield - - - -