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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (Base Audio Without Navigation) >> Ecu Diagnosis Information >> Tel Adapter Unit >> Reference Value >> Physical Values
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Physical Values

Terminal (Wire color) Description Condition Reference value (Approx.)
+ - Signal name Input/Output
1 (LG) Ground Battery power supply Input Ignition switch OFF - Battery voltage
2 (L) Ground ACC power supply Input Ignition switch ACC - Battery voltage
3 (P) Ground Ignition signal Input Ignition switch ON - Battery voltage
4 (B/R) Ground Ground - Ignition switch ON - 0 V
7 (W/R) 8 Microphone signal Input Ignition switch ON Give a voice
G04889901
9 (W/L) 10 (GR/V) TEL voice signal Output Ignition switch ON During voice guide output with the switch pressed
G04879120
21 (B/R) Ground Control signal Input Ignition switch ON - 0 V
23 (B/R) Ground Control signal Input Ignition switch ON - 0 V
24 (B/R) Ground Control signal Input Ignition switch ON - 0 V
28 (W) 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).
G05223684
29 (B/R) 8 Microphone VCC Output Ignition switch ON - 5.0 V
33 - TEL antenna Input - - -
34 - Shield - - - -
35 (GR) - AV communication signal (H) Input/Output - - -
36 (SB) - AV communication signal (L) Input/Output - - -