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Home >> Infiniti >> 2006 >> Q45 >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Trouble Diagnosis >> Active Damper Suspension Control Unit Input/Output Signal Reference Values >> Active Damper Suspension Control Unit Inspection Table >> Specifications Between Active Damper Suspension Control Unit Terminals
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Specifications Between Active Damper Suspension Control Unit Terminals

Fig 1: Active Damper Suspension Control Unit Connector Layout
G04128784Courtesy of NISSAN MOTOR CO., U.S.A.

Data are reference value and are measured between each terminal and ground.

ACTIVE DAMPER SUSPENSION CONTROL UNIT - VOLTAGE TABLE

Terminal Wire color Item Condition Data (Approx.)
1 L/R Steering angle sensor 1 Steering wheel turned slowly Repeats 0 - 5 V
Steering wheel stopped 0 V
2 Y/B Steering angle sensor 2 Steering wheel turned slowly Repeats 0 - 5 V
Steering wheel stopped 0 V
3 W Front and rear vertical G sensor power supply Ignition switch: ON 5 V
Ignition switch: OFF 0 V
4 R/G Front vertical G sensor Vehicle speed: 0 km/h (0 MPH)
(Engine is running)
2.5 V
Vehicle running Repeats 0 - 5 V
5 W/L Rear vertical G sensor Vehicle speed: 0 km/h (0 MPH)
(Engine is running)
2.5 V
Vehicle running Repeats 0 - 5 V
7 R/Y Front and rear vertical G sensor ground Vehicle speed: 25 km/h (16 MPH) or more 0 V
8 B Ground Always 0 V
9 R Front shock absorber actuator RH (A) Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
10 GY Power supply Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
11 L/B Stop lamp switch Brake pedal: Depressed Battery voltage
Brake pedal: Released 0 V
12 W/G Engine speed Engine speed: At idle
(Warm-up condition)
G04128785Courtesy of NISSAN MOTOR CO., U.S.A.
Engine speed: Approx. 2,000 rpm
(Warm-up condition)
G04128786Courtesy of NISSAN MOTOR CO., U.S.A.
13 P/B Active damper suspension select switch Engine running Active damper suspension select switch: AUTO 0 V
Active damper suspension select switch: SPORT 5 V
14 BR/Y Data link connector (RX) - -
15 P Data link connector (TX) - -
16 G/B SPORT indicator lamp SPORT indicator lamp: ON 0 V
SPORT indicator lamp: OFF Battery voltage
19 Y/G Power supply
(Memory back-up)
Ignition switch: ON Battery voltage
Ignition switch: OFF
20 G/R Steering angle sensor
(neutral)
Engine running Straight-ahead 5 V
Steering wheel turned 0 V
22 PU/W Vehicle speed Vehicle speed: 40 km/h (25 MPH)
G04128787Courtesy of NISSAN MOTOR CO., U.S.A.
23 B Ground Always 0 V
24 B Ground Always 0 V
25 BR Front shock absorber actuator LH (A) Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
26 LG Front shock absorber actuator LH (B') Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
27 R/B Rear shock absorber actuator RH (B) Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
28 L/R Rear shock absorber actuator LH (A') Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
29 PU Rear shock absorber actuator LH (B) Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
30 Y/B Rear shock absorber actuator LH (B') Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
31 GY Power supply Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
32 GY Power supply Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
34 R/W Front shock absorber actuator LH (A') Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
35 SB Rear shock absorber actuator RH (A) Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
36 B/W Rear shock absorber actuator RH (B') Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
37 B/P Rear shock absorber actuator LH (A) Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
38 L Front shock absorber actuator RH (B) Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
39 OR Front shock absorber actuator RH (A') Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
42 L/R Front shock absorber actuator power supply Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
43 G Front shock absorber actuator RH (B') Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
44 L/W Front shock absorber actuator LH (B) Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
45 G/Y Rear shock absorber actuator RH (A') Vehicle speed: 25 km/h (16 MPH) or more Repeats 0 V - battery voltage
48 B/R Rear shock absorber actuator power supply Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
CAUTION: When using circuit tester or oscilloscope to measure voltage for inspection, be sure not to extend forcibly any connector terminals.