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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 261 (Steering Control System (With 4WAS)) >> Ecu Diagnosis Information >> 4WAS Front Control Unit >> Reference Value >> Physical Values
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Physical Values

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. 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) - 4WAS front motor V terminal - - -
2 (LG) Ground Front wheel angle sensor signal (sin) Input Ignition switch: ON 0 - 5 V
3 (B) - 4WAS front lock solenoid valve ground - - -
4 (B) - Front wheel angle sensor ground - - -
5 (L) - 4WAS front motor U terminal - - -
6 (G) - 4WAS front motor W terminal - - -
7 (V) Ground Front wheel angle sensor signal (cos) Input Ignition switch: ON 0 - 5 V
8 (P) Ground Front wheel angle sensor signal (Excitation) Output Ignition switch: ON 0 - 5 V
10 (Y) Ground 4WAS front lock solenoid valve power supply Output Ignition switch: ON Battery voltage
Ignition switch: OFF (Wait 10 min. or more.) 0 V
11 (R) Ground 4WAS front motor power supply Input Ignition switch: ON Battery voltage
Ignition switch: OFF (Wait 10 min. or more.) 0 V
12 (B) Ground 4WAS front motor ground - Always 0 V
14 (R) - 4WAS communication-L - - -
15 (W) Ground Ignition switch power supply Input Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
18 (B) Ground Ground - Always 0 V
25 (L) - 4WAS communication-H - - -
34 (B) Ground Ground - Always 0 V
CAUTION: When using circuit tester to measure voltage for inspection, never forcibly extend any connector terminals.