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Home >> Nissan-Datsun >> 2012 >> Quest LE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual, Navigation System (Base Audio) (With Separate Display) >> Ecu Diagnosis Information >> Av Control Unit >> Reference Value >> Physical Values
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Physical Values

Terminal (Wire color) Description Condition Standard Reference value (Approx.)
+ - Signal name Input/Output
2 (R) 3 (G) Sound signal front speaker LH Output Ignition switch ON Sound output Waveform according to sound signal is input.
G08173940
4 (V) 5 (P) Sound signal slide door speaker LH Output Ignition switch ON Sound output Waveform according to sound signal is input.
G08173941
6 (L) 15 (GR) Steering switch signal A Input Ignition switch ON Keep pressing SOURCE switch. 0 - 3.3 V 0 V
Keep pressing SEEK UP switch. 0.7 V
Keep pressing SEEK DOWN switch. 1.3 V
Keep pressing HANDSFREE/PHONE switch 2.0 V
Except for above. 3.3 V
7 (O) 20 (B) ACC power supply Input Ignition switch ACC - 9.0 - 16.0 V Battery voltage
9 (O) 20 (B) 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)
 3.0 V or less 0 V
Lighting switch is 1st or 2nd, and the area around the vehicle is dark (block the light from the optical sensor) 7.0 - 16.0 V 12.0 V
11 (W) 12 (B) Sound signal front speaker RH Output Ignition switch ON Sound output Outputs waveform synchronized with sound.
G08173942
13 (BR) 14 (Y) Sound signal slide door speaker LH Output Ignition switch ON Sound output Outputs waveform synchronized with sound.
G08173943
16 (P) 15 (GR) Steering switch signal B Input Ignition switch ON Keep pressing VOL DOWN switch. 0 - 3.3 V 0 V
Keep pressing VOL UP switch. 0.7 V
Keep pressing "END CALL" switch. 1.3 V
Except for above. 3.3 V
19 (SB) 20 (B) Battery power supply Input Ignition switch OFF - 9.0 - 16.0 V Battery voltage
36 (P) 37 (Y) Signal VCC Output Ignition switch ACC - 8.0 - 9.5 V 8.8 V
38 (G) 20 (B) Horizontal synchronizing (HP) signal Input Ignition switch ON - Waveform of 1.0 +V - 5.5 V is input.
G08173944
39 (R) 20 (B) Communication signal (DISP→CONT) Input Ignition switch ON When adjusting display brightness. Waveform of 0.5 V or less - 3.5 V or more is input.
G08173945
40 (B) 20 (B) RGB area (YS) signal Output Ignition switch ON At RGB image is displayed. 5.5 V or less 5.0 V
At AUX image is displayed. Waveform of 0.8 V - 5.5 V is Output.
G08173946
41 - Shield - - - - -
42 (W) 20 (B) RGB synchronizing signal Output Ignition switch ON - Waveform of 0.8 V - 5.5 V is Output.
G08173947
43 (R) 20 (B) RGB image 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. Outputs waveform synchronized with RGB image.
G08173948
44 (W) 20 (B) RGB image 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. Outputs waveform synchronized with RGB image.
G08173949
45 (B) 20 (B) RGB image signal (B: red) Output Ignition switch ON Start Confirmation/Adjustment mode, and then display color bar by selecting "Color Spectrum Bar" on Display Diagnosis screen. Outputs waveform synchronized with RGB image.
G08173950
47 (B) 46 (W) Composite image signal (for front display unit) Output Ignition switch ON When DVD or AUX image is displayed on front display unit. Outputs waveform synchronized with composite image.
G08173951
48 (BR) 49 (SB) Inverter VCC Output Ignition switch ACC - 8.0 - 9.5 V 8.8 V
50 (R) 20 (B) Vertical synchronizing (VP) signal Input Ignition switch ON - Waveform of 1.0 V - 5.5 V is input.
G08173952
51 (G) 20 (B) Communication signal (CONT→DISP) Output Ignition switch ON When adjusting display brightness. Waveform of 0.5 V or less - 3.5 V or more is output.
G08173953
52 - Shield - - - - -
57 - Shield - - - - -
58 - Shield - - - - -
61 (BR) 69 (Y) AUX image signal Output Ignition switch ON When AUX image is displayed on front or rear display unit. Outputs waveform synchronized with AUX image.
G08173954
62 (Y) 20 (B) Camera image signal input Ignition switch ON When camera image is displayed. Waveform according to camera image is input.
G08173955
65 - Shield - - - - -
67 (W) 66 (B) Composite image signal (for rear display unit) Output Ignition switch ON When DVD or AUX image is displayed on rear display unit Outputs waveform synchronized with composite image.
G08173956
70 - Shield - - - - -
71 - Shield - - - - -
73 (G) 72 (W) Camera power supply Output Ignition switch ON When camera image is displayed. 5.9 - 6.5 V 6.2 V
76 (LG) - AV communication signal (L) Input/Output - - - -
77 (V) - 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 - - - -
96 (BR) 82 (W) Disk eject signal Input Ignition switch ON Keep pressing disk eject switch. - 0 V
Except for above. - 3.3 V
87 (R) 88 (W) Sound signal (TEL voice, voice guidance) Output Ignition switch ON During voice guide output with the HANDSFREE/PHONE switch pressed. Outputs waveform synchronized with sound.
G08173957
90 (BR) 91 (Y) Headphone sound signal RH Output Ignition switch ON Headphone sound output. Outputs waveform synchronized with sound.
G08173958
92 (Y) 20 (B) Vehicle speed signal (8-pulse) Input Ignition switch ON When vehicle speed is approx. 40 km/h (25 MPH) Waveform according to vehicle speed is input.
NOTE: The maximum voltage varies depending on the specification (destination unit).
G08173959
93 (W) 20 (B) Parking brake signal Input Ignition switch ON Parking brake is applied. 1.5 V or less 0 V
Parking brake is released. 3.5 V or more 4.5 V
94 (BR) 20 (B) Reverse signal Input Ignition switch ON Selector lever is in "R" position. 7.0 - 16.0 V 12.0 V
Selector lever is in other than "R" position. - 0 V
95 (G) 20 (B) Ignition signal Input Ignition switch ON - 9.0 - 16.0 V Battery voltage
103 (B) 102 (W) AUX sound signal LH Input Ignition switch ON When AUX mode is selected on front or rear display unit. Waveform according to sound is input.
G08173960
104 (R) 102 (W) AUX sound signal RH Input Ignition switch ON When AUX mode is selected on front or rear display unit. Waveform according to sound is input.
G08173961
105 (GR) - Shield - - - - -
106 (P) 107 (L) Headphone sound signal LH Output Ignition switch ON Headphone sound output. Outputs waveform synchronized with sound.
G08173962
120 (R) 124 (B) Satellite radio sound signal LH Input Ignition switch ON When satellite radio mode is selected. Outputs waveform synchronized with sound.
G08173963
121 (W) 125 (G) Satellite radio sound signal RH Output Ignition switch ON When satellite radio mode is selected. Outputs waveform synchronized with sound.
G08173964
122 (R/W) 20 (B) Communication signal (CONT→SAT) Output Ignition switch ON When satellite radio mode is selected. Waveform of 1.5 - 6.0 V is input.
G08173965
126 - Shield - - - - -
127 - Shield - - - - -
129 (R/L) 20 (B) Request signal (SAT→CONT) Input Ignition switch ON When satellite radio mode is selected. Waveform of 1.1 V or less - 7.181 V or more is Input.
G08173966
130 (B) 20 (B) Communication signal (SAT→CONT) Input Ignition switch ON When satellite radio mode is selected. Waveform of 1.1 V or less - 7.181 V or more is Input.
G08173967
132 (G) - USB ground - - - - -
133 (W) - USB D- signal - - - - -
134 (R) - V BUS signal - - - 4.75 - 5.25 V -
135 (B) - USB D+ signal - - - - -
136 - Shield - - - - -
150 20 (B) Antenna amp. ON signal Input Ignition switch ACC - 7.0 - 16.0 V 12.0 V
151 - AM-FM main Input - - - -
152 - FM sub Input - - - -
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