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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (Except Hybrid) >> Ecu Diagnosis Information >> Combination Meter >> Reference Value >> Physical Values

Physical Values

Terminal No. (Wire color) Description Condition Value (Approx.)
+ - Signal name Input/Output
1 (B) Ground Ground - - - 0 V
7 (G) Ground Security signal Input Ignition switch OFF Security indicator ON 0 V
Security indicator OFF 12 V
8(1) (B) - - - - - 0 V
11 (W) Ground Alternator signal - Ignition switch ON Charge warning lamp ON 2 V
Charge warning lamp OFF 12 V
12 (G) Ground LED headlamp (RH) warning signal Input Ignition switch ON Headlamp ON 1.0 V
Headlamp OFF 12 V
13 (BR) Ground LED headlamp (LH) warning signal Input Ignition switch ON Headlamp ON 1.0 V
Headlamp OFF 12 V
14 (V) Ground ACC power supply - Ignition switch ACC - Battery voltage
16 (V) Ground Air bag signal Input Ignition switch ON Air bag warning lamp ON -
Air bag warning lamp OFF -
17 (BR) Ground Meter control switch ground - - - 0 V
18 (SB) Ground Trip/reset signal Input Ignition switch OFF or ON Trip/Reset switch is pressed 0 V
Other than the above 5.0 V
21 (B) Ground Steering switch signal ground - - - 0 V
22 (P) Ground Steering switch signal A Input Ignition switch OFF or ON Keep pressing BACK switch 0 V
Keep pressing MENU UP switch 0.5 V
Keep pressing MENU DOWN switch 1.2 V
Keep pressing Voice Recognition switch 2.1 V
Keep pressing MENU OK switch 3.3 V
23 (W/B) Ground Steering switch signal B Input Ignition switch OFF or ON Keep pressing VOLUME UP switch 0.5 V
Keep pressing VOLUME DOWN switch 0 V
Keep pressing TEL switch 1.2 V
Keep pressing display next switch ( ) 3.3 V
Keep pressing display back switch ( ) 2.1 V
24 (L) Ground Washer level switch signal Input Ignition switch ON Washer level switch ON 0 V
Washer level switch OFF 12 V
25 (LG) Ground Brake fluid level switch signal Input Ignition switch ON Brake fluid level low 0 V
Brake fluid level normal 12 V
26 (V) Ground Parking brake switch signal Input Ignition switch ON Parking brake applied 0 V
Parking brake released 12 V
27 (G) Ground Passenger seat belt warning signal Input Ignition switch ON
  • When getting in the passenger seat.
  • When passenger seat belt is fastened.
 -
  • When getting in the passenger seat.
  • When passenger seat belt is unfastened.
 -
28 (W) Ground Seat belt buckle switch signal (driver side) Input Ignition switch ON When driver seat belt is fastened. 12 V
When driver seat belt is unfastened. 0 V
30 (SB) Ground Manual mode signal Input Ignition switch ON Selector lever manual mode position 0 V
Other than the above 12 V
31 (G) Ground Non-manual mode signal Input Ignition switch ON Selector lever manual mode position 12 V
Other than the above 0 V
32 (BG) Ground Manual mode shift up signal Input Ignition switch ON Selector lever UP operation 0 V
Other than the above 12 V
33 (GR) Ground Manual mode shift down signal Input Ignition switch ON Selector lever DOWN operation 0 V
Other than the above 12 V
34 (BG) Ground Paddle shifter up switch signal Input Ignition switch ON Paddle shift up operated 0 V
Other than the above 12 V
35 (G) Ground Paddle shifter down switch signal Input Ignition switch ON Paddle shift down operated 0 V
Other than the above 12 V
36 (V) Ground Illumination control switch signal (+) Input Ignition switch OFF or ON When illumination control switch (+) is pressed 0 V
Other than the above 5.0 V
37 (GR) Ground Illumination control switch signal (-) Input Ignition switch OFF or ON When illumination control switch (-) is pressed 0 V
Other than the above 5.0 V
38 (R) Ground Vehicle speed signal (8-pulse) Output Ignition switch ON Speedometer operated [When vehicle speed is approx. 25 MPH (40 km/h)]
NOTE: The maximum voltage varies depending on the specification (destination unit).
G05223684
39 (L) Ground Vehicle speed signal (2-pulse) Output Ignition switch ON Speedometer operated [When vehicle speed is approx. 25 MPH (40 km/h)]
NOTE: The maximum voltage varies depending on the specification (destination unit).
G05223700
41 (L) Ground CAN-H - - - -
42 (P) Ground CAN-L - - - -
43 (B) Ground Illumination control signal Output Ignition switch ON
  • Lighting switch 1ST position
  • When meter illumination is minimum
G09161371
  • Lighting switch 1ST position
  • When meter illumination is step 11
G05917980
  • Lighting switch 1ST position
  • When meter illumination is maximum
 0 V
44 (Y) Ground Fuel level sensor ground - Ignition switch ON - 0 V
45 (W) Ground Battery power supply - - - Battery voltage
46 (R) Ground Ignition signal - Ignition switch ON or START - 12 V
47 (LG) Ground AV communication signal (H) - - - -
48 (SB) Ground AV communication signal (L) - - - -
51 (BR) Ground Fuel level sensor signal - Ignition switch ON Fuel gauge indication position Full Less than 98 Ω
1/2 186 Ω
1/4 232 Ω
1/8 255 Ω
Empty More than 275 Ω
52 (B) Ground Ground - - - 0 V
(1) This harness is not used.
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