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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 >> BLUETOOTH Control 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 Condition
1 (R/B) Ground Battery power Input - - Battery voltage
2 (G/Y) Ground ACC power Input ACC or ON - Battery voltage
3 (W/G) Ground IGN power Input ON or START - Battery voltage
4 (B) Ground Ground - ON - 0V
6 - MIC Shield - - - -
7 (G) 8 (L) MIC in signal Input - - -
9 (W) 10 (B) Audio out Output ACC or ON Bluetooth control unit sends audio signal
G04879120
12 (BR) Ground Ladder in 1 Input ACC or 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
13 (L) Ground Ladder in 2 Input ACC or ON Press VOL DOWN switch 0 V
Press VOL UP switch. 1.34 V
Press "END CALL" switch. 2.45 V
Except for above. 5.0 V
14 (G) - Ladder in ground Input - - -
17 (V) Ground Ladder out 1 Input ACC or 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
18 (LG) Ground Ladder out 2 Input ACC or ON Press VOL DOWN switch 0 V
Press VOL UP switch. 1.34 V
Press "END CALL" switch. 2.45 V
Except for above. 5.0 V
19 (O) Ground Ladder out ground Output - - -
21 (B) Ground Cont 2 - - - 0V
22 (B) Ground Cont 3 - - - 0V
23 (B) Ground Cont 4 - - - 0V
28 (SB) Ground Vehicle speed signal (8-pulse) Input ON When vehicle speed is approx. 40 km/h (25 MPH)
G04877479
29 (Y) Ground Microphone power Output ON - 5V
33 (B) - Bluetooth antenna - - - -
34 - Bluetooth antenna shield - - - -
35 (R) - MCAN H - - - -
36 (G) - MCAN L - - - -
37 - MCAN shield - - - -