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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 424 (Power Supply, Ground & Circuit Elements) >> IPDM E/R (Intelligent Power Distribution Module Engine Room) >> Terminals and Reference Values for IPDM E/R
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Terminals and Reference Values for IPDM E/R

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
TERMINALS AND REFERENCE VALUES FOR IPDM E/R

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 Ignition coil Output ON or START - Battery voltage
4 P ECM relay Output ON or START - Battery voltage
6 V Throttle control relay Output ON or START - Battery voltage
7 BR ECM relay control Input - Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
8 W/R O2 and A/F sensor ignition supply Output ON or START - Battery voltage
10 R/B Battery power supply (daytime light relay) Output OFF - Battery voltage
11 Y A/C compressor Output ON A/C switch or auto A/C request ON Battery voltage
12 W/G Ignition switch Input - OFF or ACC 0V
ON or START Battery voltage
13 R Fuel pump Output - OFF or ACC 0V
ON or START Battery voltage
14 W/G A/T ignition supply Output ON or START - Battery voltage
15 W/R ABS ignition supply Output ON or START - Battery voltage
16 W/G Reverse lamp Output ON or START - Battery voltage
17 W/G Injector Output ON or START - Battery voltage
19 W Starter motor Output START - Battery voltage
20 BR Cooling fan motor (low) Output ON or START - Battery voltage
21 GR Ignition switch Input - OFF or ACC or ON 0V
START Battery voltage
22 G Battery power supply (cooling fan relays) Input OFF - Battery voltage
23 LG Heated mirror relay Output ON or START Rear window defogger switch is ON Battery voltage
Rear window defogger switch is OFF 0
24 P Cooling fan motor (high) Output ON or START - Battery voltage
27 W Trailer tow relay Output ON or START - Battery voltage
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 OFF Lighting switch 1ST position OFF 0V
ON Battery voltage
30 R/B Battery power supply (ECM) Input OFF - Battery voltage
32 GR Wiper low speed signal Output ON Wiper switch OFF 0V
HI Battery voltage
35 L Wiper high speed signal Output ON Wiper switch OFF 0V
HI Battery voltage
37 Y Generator Output ON   -
38 B Ground Input - - 0V
39 L CAN-H - ON - -
40 P CAN-L - ON - -
43 G Wiper auto stop signal Input ON Wipers in non-park position Battery voltage
Wipers in park position 0V
44 R Daytime light relay 1 signal Output ON Park brake switch position OFF 0V
ON Battery voltage
45 LG Horn relay Input OFF When door locks are operated using keyfob OFF Battery voltage
ON 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 relay control Input - Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
48 R Starter relay (inhibit switch) Input ON or START Selector lever in "P" or "N" Battery voltage
Selector lever any other position 0V
49 GR RH front parking and front side marker lamp Output OFF Lighting switch 1ST position OFF  
ON Battery voltage
50 W Front fog lamp (LH) Output ON Lighting switch must be in the 2ND position or AUTO position (LOW beam is ON) and the front fog lamp switch must be ON OFF 0V
ON Battery voltage
51 V Front fog lamp (RH) Output ON Lighting switch must be in the 2ND position or AUTO position (LOW beam is ON) and the front fog lamp switch must be ON OFF 0V
ON Battery voltage
52 P Headlamp low (LH) Output OFF Lighting switch 2ND position OFF 0V
ON Battery voltage
54 R Headlamp low (RH) Output OFF Lighting switch 2ND position OFF 0V
ON Battery voltage
55 G Headlamp high (LH) Output OFF Lighting switch HIGH or PASS position OFF 0V
ON Battery voltage
56 L Headlamp high (RH) Output OFF Lighting switch HIGH or PASS position OFF 0V
ON Battery voltage
57 GR Rear parking, license, and tail lamp Input OFF Lighting switch 1ST position OFF 0V
ON Battery voltage
59 B Ground - - - 0V
60 GR Rear window defogger relay output signal Output ON When rear window defogger switch is ON Battery voltage
When rear window defogger switch is OFF 0V
61 R/B Battery power supply (trailer tow relay) Output OFF - Battery voltage
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