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Home >> Infiniti >> 2011 >> M37 x >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Audio, Visual & Navigation System) >> Ecu Diagnosis Information >> Headrest Display Unit >> Reference Value >> Physical Values
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Physical Values

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
TERMINALS REFERENCE

Terminal
(Wire color)
Description Condition Reference value (Approx.)
+ - Signal name Input/Output
1 (L) Ground Ground - Ignition switch ON - 0 V
2 (V) Ground Battery power supply Input Ignition switch OFF - Battery voltage
3 (GR) Ground Ground - Ignition switch ON - 0 V
4 (L/R) Ground Battery power supply Input Ignition switch OFF - Battery voltage
9 (B/R) Ground Location recognition signal for headrest display unit RH Input Ignition switch ON - 0 V
10 (L/B) Ground Location recognition signal for headrest display unit LH Input Ignition switch ON - 0 V
11 (B) - AV communication signal (H) Input/Output - - -
12 (G) - AV communication signal (H) Input/Output - - -
13 (R) - AV communication signal (L) Input/Output - - -
14 (W) - AV communication signal (L) Input/Output - - -
15 - Shield - - - -
18 (W/R) Ground ACC signal Input Ignition switch OFF - 3.3 V
Ignition switch ACC - 0 V
19 (L/Y) Ground Cont. ground - Ignition switch ON - 0 V
20 (W/L) Ground Image switch signal Output Ignition switch ON When DVD, USB or front AUX image is displayed on headrest display unit. 0.5 V
When rear AUX image is displayed on headrest display unit. 4.5 V
23 (R/L) Ground Composite image signal ground - Ignition switch ON - 0 V
24 (Y) Ground Composite image signal Input Ignition switch ON When DVD, USB or front AUX image is displayed on headrest display unit.
G04890020Courtesy of NISSAN MOTOR CO., U.S.A.
25 - Shield - - - -
27 (R/W) Ground AV ground - Ignition switch ON - 0 V
28 - Shield - - - -
30 (P) 29 (BR) Headphone sound signal RH Input Ignition switch ON Headphone sound output.
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.
32 (SB) 31 (LG) Headphone sound signal LH Input Ignition switch ON Headphone sound output.
G04879120Courtesy of NISSAN MOTOR CO., U.S.A.