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Home >> Infiniti >> 2013 >> QX56 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 308 (Security Control System (Except CROSSCABRIOLET)) >> Ecu Diagnosis Information >> IPDM E/R (Intelligent Power Distribution Module Engine Room) >> Reference Value >> Physical Values
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Physical Values

WARNING: This page is about a different car, the 2013 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
Terminal No. (Wire color) Description Condition Value (Approx.)
+ - Signal name Input/Output
1 (R) Ground Battery power supply Input Ignition switch OFF Battery voltage
2 (L) Ground Battery power supply Input Ignition switch OFF Battery voltage
4 (LG) Ground Front wiper LO Output Ignition switch ON Front wiper switch OFF 0 V
Front wiper switch LO Battery voltage
5 (Y) Ground Front wiper HI Output Ignition switch ON Front wiper switch OFF 0 V
Front wiper switch HI Battery voltage
7 (GR) Ground Tail, license plate lamps & illuminations Output Ignition switch ON Lighting switch OFF 0 V
Lighting switch 1ST Battery voltage
10 (BR) Ground ECM relay power supply Output Ignition switch OFF (More than a few seconds after turning ignition switch OFF) 0 V
  • Ignition switch ON
  • Ignition switch OFF (For a few seconds after turning ignition switch OFF)
 Battery voltage
12 (B) Ground Ground - Ignition switch ON 0 V
13 (SB) Ground Fuel pump power supply Output Approximately 1 second or more after turning the ignition switch ON 0 V
  • Approximately 1 second after turning the ignition switch ON
  • Engine running
 Battery voltage
15 (W) Ground Ignition relay power supply Output Ignition switch OFF 0 V
Ignition switch ON Battery voltage
16 (R) Ground Front wiper auto stop Input Ignition switch ON Front wiper stop position 0 V
Any position other than front wiper stop position Battery voltage
19 (Y) Ground Ignition relay power supply Output Ignition switch OFF 0 V
Ignition switch ON Battery voltage
20 (L) Ground Ambient sensor ground Output Ignition switch ON 0 V
21 (O) Ground Ambient sensor Input Ignition switch ON
NOTE: Changes depending to ambient temperature
G05223707
22 (SB) Ground Refrigerant pressure sensor ground Output Engine running
  • Warm-up condition
  • Idle speed
 0 V
23 (GR) Ground Refrigerant pressure sensor Output Engine running
  • Warm-up condition
  • Both A/C switch and blower fan motor switch ON (Compressor operates)
 1.0 - 4.0 V
24 (G) Ground Refrigerant pressure sensor power supply Input Ignition switch OFF 0 V
Ignition switch ON 5.0 V
25 (GR) Ground Ignition relay power supply Output Ignition switch OFF 0 V
Ignition switch ON Battery voltage
26(1) (Y) Ground Ignition relay power supply Output Ignition switch OFF 0 V
Ignition switch ON Battery voltage
27 (W) Ground Ignition relay monitor Input Ignition switch OFF or ACC Battery voltage
Ignition switch ON 0 V
28 (SB) Ground Push-button ignition switch Input Press the push-button ignition switch 0 V
Release the push-button ignition switch Battery voltage
30 (BR) Ground Starter relay control Input Ignition switch ON Selector lever in any position other than P or N 0 V
Selector lever P or N Battery voltage
34 (O) Ground Cooling fan relay-3 control Input Cooling fan stopped Battery voltage
Cooling fan at HI operation 0 V
35 (P) Ground Cooling fan relay-1 power supply Input Cooling fan stopped Battery voltage
Cooling fan at LO operation 6.0 V
36 (G) Ground Battery power supply Input Ignition switch OFF Battery voltage
38 (GR) Ground Cooling fan relay-1 power supply Output Cooling fan not operating 0 V
Cooling fan at LO operation 6.0 V
39 (P) - CAN-L Input/Output - -
40 (L) - CAN-H Input/Output - -
41 (B) Ground Ground - Ignition switch ON 0 V
42 (SB) Ground Cooling fan relay-2 control Input Cooling fan stopped Battery voltage
  • Cooling fan MID operating
  • Cooling fan HI operating
 0 V
43 (Y) Ground CVT shift selector (Detention switch) Input Ignition switch ON
  • Press the selector button (selector lever P)
  • Selector lever in any position other than P
 Battery voltage
Release the selector button (selector lever P) 0 V
44 (W) Ground Horn relay control Input The horn is deactivated Battery voltage
The horn is activated 0 V
45 (G) Ground Horn switch Input The horn is deactivated Battery voltage
The horn is activated 0 V
46 (BR) Ground Starter relay control Input Ignition switch ON Selector lever in any position other than P or N 0 V
Selector lever P or N Battery voltage
48 (W) Ground A/C relay power supply Output Engine running A/C switch OFF 0 V
A/C switch ON (A/C compressor is operating) Battery voltage
49 (R/B) Ground ECM relay power supply Output Ignition switch OFF (More than a few seconds after turning ignition switch OFF) 0 V
  • Ignition switch ON
  • Ignition switch OFF (For a few seconds after turning ignition switch OFF)
 Battery voltage
51 (LG) Ground Ignition relay power supply Output Ignition switch OFF 0 V
Ignition switch ON Battery voltage
52 (Y/G) Ground Ignition relay power supply Output Ignition switch OFF 0 V
Ignition switch ON Battery voltage
53 (R/W) Ground ECM relay power supply Output Ignition switch OFF (More than a few seconds after turning ignition switch OFF) 0 V
  • Ignition switch ON
  • Ignition switch OFF (For a few seconds after turning ignition switch OFF)
 Battery voltage
54 (G/W) Ground Throttle control motor relay power supply Output Ignition switch OFF (More than a few seconds after turning ignition switch OFF) 0 V
  • Ignition switch ON
  • Ignition switch OFF (For a few seconds after turning ignition switch OFF)
 Battery voltage
55 (W/L) Ground ECM power supply Output Ignition switch OFF Battery voltage
56 (R/Y) Ground Ignition relay power supply Output Ignition switch OFF 0 V
Ignition switch ON Battery voltage
57 (O) Ground Ignition relay power supply Output Ignition switch OFF 0 V
Ignition switch ON Battery voltage
58 (Y) Ground Ignition relay power supply Output Ignition switch OFF 0 V
Ignition switch ON Battery voltage
69 (W/B) Ground ECM relay control Output Ignition switch OFF (More than a few seconds after turning ignition switch OFF) Battery voltage
  • Ignition switch ON
  • Ignition switch OFF (For a few seconds after turning ignition switch OFF)
 0 - 1.5 V
70 (O) Ground Throttle control motor relay control Output Ignition switch ON → OFF 0-1.0 V
↓
Battery voltage
↓
0 V
Ignition switch ON 0 - 1.0 V
72 (R/B) Ground Starter relay control Input Ignition switch ON Selector lever in any position other than P or N 0 V
Selector lever P or N Battery voltage
75 (LG) Ground Oil pressure switch Input Ignition switch ON Engine stopped 0 V
Engine running Battery voltage
76 (SB) Ground Power generation command signal Output Ignition switch ON
G04888409
40% is set on "ACTIVE TEST", "ALTERNATOR DUTY" of "ENGINE"
G04888410
80% is set on "ACTIVE TEST", "ALTERNATOR DUTY" of "ENGINE"
G04888411
77 (GR) Ground Fuel pump relay control Output
  • Approximately 1 second after turning the ignition switch ON
  • Engine running
 0 - 1.5 V
Approximately 1 second or more after turning the ignition switch ON Battery voltage
80 (B) Ground Starter motor Output At engine cranking Battery voltage
83 (Y) Ground Headlamp LO (RH) Output Ignition switch ON Lighting switch OFF 0 V
Lighting switch 2ND Battery voltage
84 (L) Ground Headlamp LO (LH) Output Ignition switch ON Lighting switch OFF 0 V
Lighting switch 2ND Battery voltage
86 (SB) Ground Front fog lamp (RH) Output Lighting switch 2ND Front fog lamp switch OFF 0 V
  • Front fog lamp switch ON
  • Daytime running light activated (Only for Canada)
 Battery voltage
87 (GR) Ground Front fog lamp (LH) Output Lighting switch 2ND Front fog lamp switch OFF 0 V
  • Front fog lamp switch ON
  • Daytime running light activated (Only for Canada)
 Battery voltage
88 (W) Ground Washer pump power supply Output Ignition switch ON Battery voltage
89 (L) Ground Headlamp HI (RH) Output Ignition switch ON Lighting switch OFF 0 V
  • Lighting switch HI
  • Lighting switch PASS
 Battery voltage
90 (G) Ground Headlamp HI (LH) Output Ignition switch ON Lighting switch OFF 0 V
  • Lighting switch HI
  • Lighting switch PASS
 Battery voltage
91 (R) Ground Parking lamp (RH) Output Ignition switch ON Lighting switch OFF 0 V
Lighting switch 1ST Battery voltage
92 (LG) Ground Parking lamp (LH) Output Ignition switch ON Lighting switch OFF 0 V
Lighting switch 1ST Battery voltage
99 (BR) Ground Ambient sensor ground Input Ignition switch ON 0 V
100 (SB) Ground Ambient sensor Output Ignition switch ON
NOTE: Changes depending to ambient temperature
G05223707
101 (L) Ground Refrigerant pressure sensor ground Input Engine running
  • Warm-up condition
  • Idle speed
 0 V
102 (B) Ground Refrigerant pressure sensor Input Engine running
  • Warm-up condition
  • Both A/C switch and blower fan motor switch ON (Compressor operates)
 1.0 - 4.0 V
103 (P) Ground Refrigerant pressure sensor power supply Output Ignition switch OFF 0 V
Ignition switch ON 5.0 V
(1) AWD models only
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