Infiniti Q45. Manual — part 802
TROUBLE DIAGNOSIS
SCS-25
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DATA MONITOR MODE
Operation Procedure
1.
Perform “CONSULT-II Start Procedure”. Refer to
GI-36, "CONSULT-II Start Procedure"
.
2.
Touch “DATA MONITOR”.
3.
Select from “SELECT MONITOR ITEM”, screen of data monitor mode is displayed.
NOTE:
When malfunction is detected, CONSULT-II performs REAL-TIME DIAGNOSIS.
Also, any malfunction detected while in this mode will be displayed in real time.
Display Item List
×
: Standard
–: Not applicable
Monitored item (Unit)
Monitor item selection
Remarks
MAIN
SIGNALS
SELECTION
FROM MENU
VHCL SPEED SE [km/h] or [mph]
×
×
Vehicle speed calculated by combination meter.
VERTI G SE FL [G]
×
×
Upper/lower acceleration condition of vehicle (front) is
displayed.
VERTI G SE RR [G]
×
×
Upper/lower acceleration condition of vehicle (rear) is
displayed.
STEERING ANG [
°
]
×
×
Steering angle detected by the steering angle sensor is
displayed.
SELECT SWITCH [AUTO/SPORT]
×
×
Active damper suspension select switch signal status is
displayed.
STOP LAMP SW [ON/OFF]
×
×
Stop lamp switch signal status is displayed.
NEUTRAL SIG [ON/OFF]
×
×
Straight-ahead of steering wheel status is displayed.
DAMP MTR FR [step]
×
×
Condition of front RH actuator is displayed.
DAMP MTR FL [step]
×
×
Condition of front LH actuator is displayed.
DAMP MTR RR [step]
×
×
Condition of rear RH actuator is displayed.
DAMP MTR RL [step]
×
×
Condition of rear LH actuator is displayed.
POWER STR SOL [A]
×
×
Power steering solenoid controlling current that active
damper suspension control unit outputs is displayed.
INDICATOR [ON/OFF]
×
×
Control status of SPORT indicator lamp is displayed.
ENGINE SPEED [rpm]
×
×
Engine speed calculated by ECM.
Voltage [V]
–
×
The value measured by the voltage probe is displayed.
Frequency [Hz]
–
×
The value measured by the pulse probe is displayed.
DUTY-HI (high) [%]
–
×
DUTY-LOW (low) [%]
–
×
PLS WIDTH-HI [msec]
–
×
PLS WIDTH-LOW [msec]
–
×
SCS-26
TROUBLE DIAGNOSIS
ACTIVE TEST MODE
Description
Use this mode to determine and identify the details of a malfunction based on self-diagnostic results or data
monitor. Active damper suspension control gives drive signal to each shock absorber actuator and inspection
of turning indicator with receiving command from CONSULT-II to check operation of each shock absorber
actuator.
Operation Procedure
1.
Perform “CONSULT-II Start Procedure”. Refer to
GI-36, "CONSULT-II Start Procedure"
2.
Touch “ACTIVE TEST”.
3.
Touch “INDICATOR” or “DAMPER”. Refer to
SCS-26, "SPORT Indicator lamp"
(SPORT indicator) or
SCS-26, "Shock Absorber Actuator"
SPORT Indicator lamp
1.
Touch “MAIN SIGNAL”, then “START”.
2.
When “OFF” is touched, indicator lamp goes out regardless of
select switch positions. Monitor indicator will then be turned
“OFF”.
3.
When “ON” is touched, indicator lamp comes on regardless of
select switch positions. Monitor indicator will then be turned
“ON”.
Shock Absorber Actuator
1.
Touch “SELECTION FROM MENU”.
2.
Select and touch “DAMP MTR F/R” or “DAMP MTR F/L”, and “DAMP MTR R/R” or “DAMP MTR R/L”, as
required.
3.
Touch “ENTER”, then “START”.
4.
“4 step” for front damper motors and “4 step” for rear damper
motor will be then shown on the display.
5.
Touch “CONDITION CHANGE”, “FL-HS, FR-HS, RL-HS, RR-
HS” and “START”.
6.
“80 step” for front damper motors and “80 step” for rear damper
motor will be then shown on the display.
7.
Print out data as required.
8.
The actuator center shaft becomes as shown in the figure.
SEIA0713E
SEIA0732E
SEIA0078E
TROUBLE DIAGNOSIS
SCS-27
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SCS
9.
Touch “CONDITION CHANGE” FL-SS, FR-SS, RL-SS, RR-SS”
and “START”.
10. “0 step” for front damper motors and “0 step” for rear damper
motor will be then shown on the display.
11. Print out data as required.
12. The actuator center shaft becomes as shown in the figure.
13. Touch “CONDITION CHANGE” “FL-SH, FR-SH, RL-SH, RR-
SH” and “START”.
14. “-60 step” for front damper motors and “-60 step” for rear
damper motor will be then shown on the display.
15. Print out data as required.
16. The actuator center shaft becomes as shown in the figure.
ACTIVE DAMPER SUSPENSION CONTROL UNIT PART NUMBER MODE
Ignore the active damper suspension control unit part number displayed in the “ECU PART NUMBER”.
Refer to parts catalog to order the active damper suspension control unit.
SEIA0733E
SEIA0079E
SEIA0734E
SEIA0080E
SCS-28
TROUBLE DIAGNOSIS
Self-Diagnostic Procedure
NES000AS
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)
Refer to
SCS-24, "SELF-DIAG RESULT MODE"
SELF-DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-II)
Description
The SPORT indicator lamp in the combination meter will flicker according to the self-diagnostic results. As for
the details of the SPORT indicator lamp flickering patterns, refer to
SCS-28, "Diagnostic Procedure"
Diagnostic Procedure
1.
Turn ignition switch to “OFF”.
2.
Start the engine.
3.
Quickly switch the active damper suspension select switch from “SPORT” to “AUTO”, and vice versa, at
least 5 times within 10 seconds immediately after the engine has started.
4.
Perform the following procedures to enter the corresponding signals.
●
Turn steering wheel 180
°
in either direction from neutral.
●
Depress brake pedal.
●
Release brake pedal.
●
Move the vehicle at least 5 m (16 ft) forward.
5.
Read the flickering of SPORT indicator lamp. Refer to
SCS-28, "Judgement Self-diagnosis"
NOTE:
When the SPORT indicator lamp flashes 1/4 Hz and continues repeating it, the system is normal.
Judgement Self-diagnosis
When a malfunction is detected, the malfunction route is indicated by flickering of the SPORT indicator lamp.
NOTE:
When the SPORT indicator lamp flashes 1/4 Hz and continues repeating it, the system is normal.
Flickering pattern
Items
Diagnostic item is detected when...
Check item
11
Vehicle speed sensor
●
Input signal does not change for some length of while driving.
●
Input signal change abruptly while driving.
SCS-32, "Vehicle
Speed Sensor
(VEHICLE
SPEED SEN)"
12
Steering angle sensor
Input signal does not change for some length of time while driv-
ing at 60 km/h (37 MPH) or more.
SCS-34, "Steer-
ing Angle Sensor
(STEERING
ANGLE SEN)"
13
Steering angle sensor
(neutral)
●
When driven straight ahead at least at 10 km/h (6 MPH) with
no neutral signal.
●
When the steering wheel is turned by 360
°
or more with no
neutral signal.
●
When the steering wheel is turned by 50
°
or more with neu-
tral signal at all times.
SCS-34, "Steer-
ing Angle Sensor
(STEERING
ANGLE SEN)"
14
Stop lamp switch
Stop lamp signal transmission status does not change when
depressing or releasing the brake pedal.
SGIA1402E
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