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Home >> Infiniti >> 2015 >> Q40 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator >> Ecu Diagnosis Information >> Unified Meter And A/C Amp. >> Reference Value >> Physical Values

Physical Values

Terminal No.
(Wire color)
Description Condition Value
(Approx.)
+ - Signal name Input/
Output
4
(G)
Ground Stop lamp switch signal Input Ignition switch OFF Brake pedal is depressed 12 V
Other than the above 0 V
5
(L)
Ground Manual mode shift up signal Input Ignition switch ON Selector lever UP operation 0 V
Other than the above 12 V
7
(GR)
Ground Communication signal (AMP. → METER) Output Ignition switch ON -
G04078438Courtesy of NISSAN NORTH AMERICA, INC.
8
(L)
Ground Vehicle speed signal output
(2 - pulse)
Output Ignition switch ON Speedometer operated
[When vehicle speed is approx. 40 km/h (25 MPH)]
NOTE:

The maximum voltage varies depending on the specification (destination unit).

GNSJSNIA0015GB-015Courtesy of NISSAN NORTH AMERICA, INC.
9
(SB)
Ground Seat belt buckle switch signal (driver side) Input Ignition switch ON When seat belt is fastened 12 V
When seat belt is not fastened 0 V
10
(W)
Ground Manual mode signal Input Ignition switch ON Selector lever DS position 0 V
Other than the above 12 V
11
(G)
Ground Not manual mode signal Input Ignition switch ON Selector lever DS position 12 V
Other than the above 0 V
14
(BR)
Ground Communication signal (LCD → AMP.) Input Ignition switch ON -
GNSJSNIA0028GB-028Courtesy of NISSAN NORTH AMERICA, INC.
23
(Y)
Ground A/T snow switch signal Input Ignition switch ON Snow mode switch ON 12 V
Snow mode switch OFF 0 V
25
(V)
Ground Manual mode shift down signal Input Ignition switch ON Selector lever down operation 0 V
Other than the above 12 V
27
(LG)
Ground Communication signal (METER → AMP.) Input Ignition switch ON -
G04078437Courtesy of NISSAN NORTH AMERICA, INC.
28
(R)
Ground Vehicle speed signal
(8 - pulse)
Output Ignition switch ON Speedometer operated
[When vehicle speed is approx. 40 km/h (25 MPH)]
NOTE:

The maximum voltage varies depending on the specification (destination unit).

GNSJSNIA0012GB-012Courtesy of NISSAN NORTH AMERICA, INC.
30
(V)
Ground Parking brake switch signal Input Ignition switch ON Parking brake ON 0 V
Parking brake OFF
G05223673Courtesy of NISSAN NORTH AMERICA, INC.
34
(Y)
Ground Communication signal (AMP. → LCD) Output Ignition switch ON -
GNSJSNIA0027GB-027Courtesy of NISSAN NORTH AMERICA, INC.
41
(L)
Ground ACC power supply Input Ignition switch ACC - Battery voltage
42
(BR)
Ground Fuel level sensor signal Input Ignition switch ON -
G05223669Courtesy of NISSAN NORTH AMERICA, INC.
45
(V)
Ground Ambient sensor signal Input - -
GNSJSNIA0014GB-014Courtesy of NISSAN NORTH AMERICA, INC.
53
(W)
Ground Ignition power supply Input Ignition switch ON - Battery voltage
54
(SB)
Ground Battery power supply Input Ignition switch OFF - Battery voltage
55
(B)
Ground Ground - Ignition switch ON - 0 V
56
(L)
Ground CAN - H - - - -
57
(LG)
Ground Brake fluid level switch signal Input Ignition switch ON Brake fluid level is normal.
GNSJSNIA0008GB-008Courtesy of NISSAN NORTH AMERICA, INC.
The brake fluid level is lower than the low level 0 V
58
(Y)
Ground Fuel level sensor ground - Ignition switch ON - 0 V
61
(B)
Ground Ambient sensor ground - Ignition switch ON - 0 V
71
(GR)
Ground Ground - Ignition switch ON - 0 V
72
(P)
Ground CAN - L - - - -