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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Audio, Visual, Navigation System (Display Audio With Amplifier)) >> Ecu Diagnosis Information >> Audio Unit >> Reference Value >> Physical Values
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Physical Values

WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
Terminal (Wire color) Description Condition Reference value (Approx.)
+ - Signal name Input/Output Ignition switch Operation
1 (G/W) Ground Amp. ON signal Output ACC - Battery voltage
2 (W) 3 (B) Sound signal front speaker LH Output ON Sound output
G04879120
4 (P) 5 (B/R) Sound signal rear speaker LH Output ON Sound output
G04879120
6 (V) 15 (0) Steering switch signal A Input ON Press and hold MODE switch. 0 V
Press and hold "UP TRIANGLE" switch. 1.34 V
Press and hold "DOWN TRIANGLE" switch. 2.45 V
Press and hold "PHONE/HANDSFREE" switch. 3.43 V
Except for above. 5.0 V
7 (G/B) Ground ACC power supply Input ACC - Battery voltage
9 (R) 8 (GR) Illumination control signal Input ON Headlamps ON Battery voltage
11 (Y) 12 (R) Sound signal front speaker RH Output ON Sound output
G04879120
13 (L) 14 (B/W) Sound signal rear speaker RH Output ON Sound output
G04879120
16 (LG) 15 (O) Steering switch signal B Input ON Press and hold VOL DOWN switch 0 V
Press and hold VOL UP switch 1.34 V
Press and hold "END CALL" switch 2.45 V
Except for above. 5.0 V
18 (SB) Ground Vehicle speed signal Input ON When vehicle speed is approx. 40 km/h (25 MPH)
G05223684
19 (Y) Ground Battery power supply Input OFF - Battery voltage
20 (B) Ground Ground - ON - 0 V
24 (B) - TEL I/F - Input ON -
G04879120
25 (W) - TEL I/F + Input ON -
G04879120
28 (R) - MCAN2 H Input/Output - - -
29 (G) - MCAN2 L Input/Output - - -
30 Shield MCAN shield - - - -
31 (L) - MCAN1 H Input/Output - - -
32 (W) - MCAN1 L Input/Output - - -
46 (B) Ground EQ2 - ON - 0 V
48 (B) Ground EQ3 - ON - 0 V
53 (R) - V BUS signal - - - -
54 (B) - USB ground - - - -
55 (G) - USB D+ signal - - - -
56 (W) - USB D- signal - - - -
57 - Shield - - - -
58 (B) Ground Satellite antenna signal Input ON - 5.0 V
59 (B) - SAT Shield - - - -
61 (B) Ground AM-FM main antenna - - - -