Infiniti FX35, FX50 (S51). Manual — part 1616
E-SUS CONTROL UNIT
SCS-49
< ECU DIAGNOSIS INFORMATION >
C
D
F
G
H
I
J
K
L
M
A
B
SCS
N
O
P
ECU DIAGNOSIS INFORMATION
E-SUS CONTROL UNIT
Reference Value
INFOID:0000000005236211
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
Monitor item
Condition
Value/Status
VEHICLE SPEED
Vehicle stopped
0 km/h (MPH)
While driving for a period of time after the engine starts.
CAUTION:
Check tire pressure in normal condition.
Almost in accordance with the
speedometer display. (Within
±
10%)
ST ANGLE SIG
Neutral
Approx. 0 deg
Steering
0 – 780 deg
IGN
Always
Battery voltage
REQUESTED TRQ
• Engine: At idle speed after warm-up
• Selector lever: P or N position
Approx. 26 Nm
FR BDY G-SEN VOL
When stopped
Approx. 2.35 – 2.65 V
While driving
Approx. 0.5 – 4.5 V
FL BDY G-SEN VOL
When stopped
Approx. 2.35 – 2.65 V
While driving
Approx. 0.5 – 4.5 V
R G-SEN VOL
When stopped
Approx. 2.35 – 2.65 V
While driving
Approx. 0.5 – 4.5 V
FR WHL G-SEN VOL
When stopped
Approx. 2.35 – 2.65 V
While driving
Approx. 0.5 – 4.5 V
FL WHL G-SEN VOL
When stopped
Approx. 2.35 – 2.65 V
While driving
Approx. 0.5 – 4.5 V
FR ACTUATOR CRNT
Vehicle stopped
Approx. 0.65 A
While driving
Approx. 0.65 – 2.0 A
FL ACTUATOR CRNT
Vehicle stopped
Approx. 0.65 A
While driving
Approx. 0.65 – 2.0 A
RR ACTUATOR CRNT
Vehicle stopped
Approx. 0.65 A
While driving
Approx. 0.65 – 2.0 A
RL ACTUATOR CRNT
Vehicle stopped
Approx. 0.65 A
While driving
Approx. 0.65 – 2.0 A
G-SEN VOL
Ignition switch ON
Approx. 4.75 – 5.25 V
BRK FLD PRESS
Brake deactivated
Approx. 0 bar
Brake activated
–40 – 300 bar
STP LAMP SW
Depress the brake
On
Do not depress the brake
Off
MODE SW
Sport mode
On
Auto mode
Off
FAIL MODE SIG
Fail-safe mode
On
Normal mode
Off
CONTROL MODE
Sport mode
SPORT
Auto mode
AUTO
SCS-50
< ECU DIAGNOSIS INFORMATION >
E-SUS CONTROL UNIT
PHYSICAL VALUES
JSEIA0023ZZ
Terminal No.
(Wire color)
Description
Condition
Value (Approx.)
+
-
Signal name
Input/
Output
1
(L)
Ground
E-SUS control unit power supply
Input
Ignition switch ON
Battery voltage
2
(P)
—
Front RH shock absorber actua-
tor LOW terminal
—
—
—
3
(V)
—
Front RH shock absorber actua-
tor HI terminal
—
—
—
4
(G)
—
Front LH shock absorber actuator
LOW terminal
—
—
—
5
(Y)
—
Front LH shock absorber actuator
HI terminal
—
—
—
6
(LG)
—
Rear LH shock absorber actuator
HI terminal
—
—
—
7
(V)
—
Rear LH shock absorber actuator
LOW terminal
—
—
—
8
(L)
—
Rear RH shock absorber actuator
HI terminal
—
—
—
9
(P)
—
Rear RH shock absorber actuator
LOW terminal
—
—
—
10
(O)
Ground
Front LH wheel vertical G sensor
output voltage
Input
Ignition switch ON
Approx. 2.35 – 2.65 V
11
(SB)
Ground
Front RH body vertical G sensor
output voltage
Input
Ignition switch ON
Approx. 2.35 – 2.65 V
12
(R)
Ground
Front LH body vertical G sensor
output voltage
Input
Ignition switch ON
Approx. 2.35 – 2.65 V
14
(G)
Ground
Rear body vertical G sensor out-
put voltage
Input
Ignition switch ON
Approx. 2.35 – 2.65 V
17
(L)
Ground
E-SUS control unit power supply
Input
Ignition switch ON
Battery voltage
18
(B)
Ground
Ground
—
Always
0 V
19
(B)
Ground
Ground
—
Always
0 V
20
(W)
—
Mode switch terminal
—
—
—
23
(G)
—
Mode lamp terminal
—
—
—
24
(W)
Ground
Front RH wheel vertical G sensor
output voltage
Input
Ignition switch ON
Approx. 2.35 – 2.65 V
E-SUS CONTROL UNIT
SCS-51
< ECU DIAGNOSIS INFORMATION >
C
D
F
G
H
I
J
K
L
M
A
B
SCS
N
O
P
CAUTION:
Never extend connector terminals forcibly, when checking voltage using a circuit tester for voltage inspection.
25
(Y)
Ground
Rear body vertical G sensor
ground
—
Always
0 V
26
(BR)
Ground
Front vertical G sensor ground
—
Always
0 V
27
(GR)
Ground
Front vertical G sensor power
supply
Output
Ignition switch ON
Approx. 4.75 – 5.25 V
29
(P)
—
CAN-L
—
—
—
30
(LG)
Ground
Rear vertical G sensor power
supply
Output
Ignition switch ON
Approx. 4.75 – 5.25 V
32
(L)
—
CAN-H
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value (Approx.)
+
-
Signal name
Input/
Output
SCS-52
< ECU DIAGNOSIS INFORMATION >
E-SUS CONTROL UNIT
Wiring Diagram - Continuous Damping Control SYSTEM -
INFOID:0000000005589005
JCEWA0165GB
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