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Home >> Nissan-Datsun >> 2009 >> Maxima S >> Repair and Diagnosis >> External Pages >> Different car >> Section 594 (Security Control System (Without Intelligent Key System)) >> Ecu Diagnosis Information >> IPDM E/R (Intelligent Power Distribution Module Engine Room) >> Physical Values >> Physical Values
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Physical Values

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Terminal Wire color Signal name Signal input/output Measuring condition Reference value (Approx.)
Ignition switch Operation or condition
1 W Battery power supply Input OFF - Battery voltage
2 R Battery power supply Input OFF - Battery voltage
3 G ECM relay Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
4 P ECM relay Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
6 V Throttle control motor relay Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
7 BR ECM relay control Input - Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
8 W/R Fuse 54 Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
10 R/B Fuse 45 Output ON Daytime light system active 0V
Daytime light system inactive Battery voltage
11 Y A/C compressor Output ON or START A/C switch ON or defrost A/C switch Battery voltage
A/C switch OFF or defrost A/C switch 0V
12 W/G Ignition switch supplied power Input - OFF or ACC 0V
ON or START Battery voltage
13 R Fuel pump relay Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
14 W/G Fuse 49 Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
15 W/R Fuse 50 (ABS) Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
16 W/G Fuse 51 Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
17 W/G Fuse 55 Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
19 W Starter motor Output START - Battery voltage
20 BR Cooling fan motor (low) Output ON or START - Battery voltage
21 GR Ignition switch supplied power Input - OFF or ACC 0V
START Battery voltage
22 G Battery power supply Output OFF - Battery voltage
23 LG Door mirror defogger output signal Output - When rear defogger switch is ON Battery voltage
When raker defogger switch is OFF 0V
24 P Cooling fan motor (high) Output - Conditions correct for cooling fan operation Battery voltage
Conditions not correct for cooling fan operation 0V
27 W Fuse 38 Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
28 R LH front parking and front side marker lamp Output OFF Lighting switch 1st position OFF 0V
ON Battery voltage
29 G Trailer tow relay Output ON Lighting switch 1st position OFF 0V
ON Battery voltage
30 R/B Fuse 53 Output - Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
32 GR Wiper low speed signal Output ON or START Wiper switch OFF Battery voltage
LO or INT 0V
35 L Wiper high speed signal Output ON or START Wiper switch OFF, LO, INT Battery voltage
HI 0V
37 Y Power generation command signal Output - Ignition switch ON
G04888409
40% is set on "Active test," "ALTERNATOR DUTY" of "ENGINE"
G04888410
40% is set on "Active test," "ALTERNATOR DUTY" of "ENGINE"
G04888411
38 B Ground Input - - 0V
39 L CAN-H - ON - -
40 P CAN-L - ON - -
42 GR Oil pressure switch Input - Engine running Battery voltage
Engine stopped 0V
43 G Wiper auto stop signal Input ON or START Wiper switch OFF, LO, INT Battery voltage
44 R Daytime light relay control Input ON Daytime light system active 0V
Daytime light system inactive Battery voltage
45 LG Horn relay control Input ON When door locks are operated using keyfob or Intelligent Key (if equipped) (OFF → ON)(1) Battery voltage → 0V
46 V Fuel pump relay control Input - Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
47 O Throttle control motor relay control Input - Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
48 R Starter relay (range switch) Input ON or START Selector lever in "P" or "N" 0V
Selector lever any other position Battery voltage
49 GR Front RH parking and front side marker lamp Output OFF Lighting switch 1st position OFF 0V
ON Battery voltage
50 W Front fog lamp (LH) Output ON or START Lighting switch must be in the 2nd position (LOW beam is ON) and the front fog lamp switch OFF 0V
ON Battery voltage
51 V Front fog lamp (RH) Output ON or START Lighting switch must be in the 2nd position (LOW beam is ON) and the front fog lamp switch OFF 0V
ON Battery voltage
52 P LH low beam headlamp Output - Lighting switch in 2nd position Battery voltage
54 R RH low beam headlamp Output - Lighting switch in 2nd position Battery voltage
55 G LH high beam headlamp Output - Lighting switch in 2nd position and placed in HIGH or PASS position Battery voltage
56 L RH high beam headlamp Output - Lighting switch in 2nd position and placed in HIGH or PASS position Battery voltage
57 GR Parking, license, and tail lamp Output ON Lighting switch 1st position OFF 0V
ON Battery voltage
59 B Ground Input - - 0V
60 GR Rear window defogger relay Output ON or START Rear defogger switch ON Battery voltage
Rear defogger switch OFF 0V
61 R/B Fuse 32 Output OFF - Battery voltage
(1) When horn reminder is ON
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