Index Infiniti Infiniti Q45 - service repair manual 2006 year
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Infiniti Q45. Manual - part 796
SCS-1
SUSPENSION CONTROL SYSTEM
E SUSPENSION
CONTENTS
C
D
F
G
H
I
J
K
L
M
SECTION
SCS
A
B
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TEN-SIONER” .................................................................. 3Precautions .............................................................. 3
ACTIVE DAMPER SUSPENSION SYSTEM .............. 4
Cross-Section View .................................................. 4System Description .................................................. 4
DESCRIPTION ...................................................... 4ACTIVE DAMPER SUSPENSION ........................ 5VERTICAL G SENSOR ......................................... 5STEERING ANGLE SENSOR .............................. 5SHOCK ABSORBER ACTUATOR ........................ 5SHOCK ABSORBER ............................................ 5ACTIVE DAMPER SUSPENSION SELECT SWITCH ................................................................ 5SPORT INDICATOR LAMP ................................... 5CONTROL UNIT ................................................... 6
System Diagram ....................................................... 6
COMPONENTS FUNCTION DESCRIPTION ....... 6
TROUBLE DIAGNOSIS .............................................. 7
Fail-Safe Function .................................................... 7How to Perform Trouble Diagnosis .......................... 7
BASIC CONCEPT ................................................. 7
Component Parts Location ....................................... 8Circuit Diagram ........................................................ 9Wiring Diagram — ACTIVE — ............................... 10Active Damper Suspension Control Unit Input/Out-put Signal Reference Values .................................. 20
ACTIVE DAMPER SUSPENSION CONTROL UNIT INSPECTION TABLE ................................. 20
CONSULT-II Function (ACT D/SUS) ...................... 23
FUNCTION .......................................................... 23CONSULT-II SETTING PROCEDURE ................ 23SELF-DIAG RESULT MODE .............................. 24DATA MONITOR MODE ..................................... 25ACTIVE TEST MODE ......................................... 26ACTIVE DAMPER SUSPENSION CONTROL UNIT PART NUMBER MODE ............................. 27
Self-Diagnostic Procedure ..................................... 28
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II) ....................................................... 28SELF-DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-II) ....................................................... 28ERASE SELF-DIAGNOSIS ................................. 29
Inspections Before Trouble Diagnosis .................... 29Trouble Diagnosis Chart for Symptoms .................. 29
TROUBLE DIAGNOSIS FOR SYSTEM .................... 30
Power Supply Circuit .............................................. 30
ACTIVE DAMPER SUSPENSION CONTROL UNIT TERMINALS AND REFERENCE VALUE ... 30DIAGNOSTIC PROCEDURE .............................. 31
Vehicle Speed Sensor (VEHICLE SPEED SEN) .... 32
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE ................................................ 32ACTIVE DAMPER SUSPENSION CONTROL UNIT TERMINALS AND REFERENCE VALUE ... 32DIAGNOSTIC PROCEDURE .............................. 33
Steering Angle Sensor (STEERING ANGLE SEN) ... 34
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE ................................................ 34ACTIVE DAMPER SUSPENSION CONTROL UNIT TERMINALS AND REFERENCE VALUE ... 35DIAGNOSTIC PROCEDURE .............................. 35
Vertical G Sensor (VERTI G SENSOR) .................. 37
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE ................................................ 37ACTIVE DAMPER SUSPENSION CONTROL UNIT TERMINALS AND REFERENCE VALUE ... 37DIAGNOSTIC PROCEDURE .............................. 37
Shock Absorber Actuator ........................................ 41
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE ................................................ 41ACTIVE DAMPER SUSPENSION CONTROL UNIT TERMINALS AND REFERENCE VALUE ... 41DIAGNOSTIC PROCEDURE .............................. 42
Engine Speed Signal .............................................. 47
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE ................................................ 47ACTIVE DAMPER SUSPENSION CONTROL