Infiniti Q45. Manual - part 803
TROUBLE DIAGNOSIS
SCS-29
C
D
F
G
H
I
J
K
L
M
A
B
SCS
Disconnecting the Self-Diagnostic Function
Disconnect the self-diagnostic function using one of the following three methods:
●
Turn the ignition switch to “OFF”.
●
Drive the vehicle at speeds greater than 30 km/h (19 MPH).
●
Connect CONSULT-II.
ERASE SELF-DIAGNOSIS
Clear self-diagnostic data and fail-safe data stored in memory as follows:
●
While self-diagnosis is being performed, depress the brake pedal at least 5 times and shift the select
switch position at least 5 times. Pedal depression and switch shifting must be done within 10 seconds dur-
ing self-diagnosis.
Inspections Before Trouble Diagnosis
NES000AZ
Check the following items
●
Power steering fluid level. Refer to
●
Power steering fluid line for improper attachment, leaks, cracks, damage, loose connections, chafing and
deterioration. Refer to
PS-6, "Checking Fluid Leakage"
●
Tire pressure.
●
Wheel alignment. Refer to
FSU-5, "Wheel Alignment Inspection"
●
Shock absorber for oil leakage or other damage.
Trouble Diagnosis Chart for Symptoms
NES000B2
When SPORT indicator lamp in the combination meter cannot be switched between ON and OFF by using active damper suspension
select switch. Refer to
SCS-28, "Self-Diagnostic Procedure"
22
Vertical G sensor
(front)
Front vertical G sensor is malfunctioning, or signal line of front
vertical G sensor is open or shorted.
SCS-37, "Vertical
G Sensor (VERTI
G SENSOR)"
23
Vertical G sensor
(rear)
Rear vertical G sensor is malfunctioning, or signal line of rear
vertical G sensor is open or shorted.
SCS-37, "Vertical
G Sensor (VERTI
G SENSOR)"
31
Engine speed signal
When the engine speed signal is 360 rpm or less.
No flickering
Active damper suspen-
sion select switch
Active damper suspension select switch circuit is shorted or
open.
SCS-49, "Active
Damper Suspen-
sion Select
Switch"
Flickering pattern
Items
Diagnostic item is detected when...
Check item
Symptom
Condition
Check item
Reference page
Hard or soft feel.
While driving
Shock absorber actuator
Active damper suspension select switch
Shock absorber
Active damper suspension select switch
does not change.
While driving
Power supply and ground for active
damper suspension
Active damper suspension select switch
Shock absorber