Infiniti Q45. Manual - part 802

 

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Infiniti Q45. Manual - part 802

 

 

TROUBLE DIAGNOSIS

SCS-25

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A

B

SCS

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"

  (active damper suspension).

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.

SCS-52, "Stop 
Lamp Switch"

SGIA1402E

 

 

 

 

 

 

 

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