Index Infiniti Infiniti Q45 - service repair manual 2006 year
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Infiniti Q45. Manual - part 2
ACS-1
AUTO CRUISE CONTROL SYSTEM
K ELECTRICAL
CONTENTS
C
D
E
F
G
H
I
J
L
M
SECTION
ACS
A
B
ASCD
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
..... 3
Description ............................................................... 3
ICC
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TEN-SIONER” .................................................................. 4Precautions for ICC System Service ........................ 4
PREPARATION ........................................................... 5
Special Service Tools ............................................... 5
DESCRIPTION ............................................................ 6
Outline ...................................................................... 6
VEHICLE-TO-VEHICLE DISTANCE CONTROL MODE ................................................................... 6CONVENTIONAL (FIXED SPEED) CRUISE CONTROL MODE ................................................. 6BRAKE ASSIST (WITH PREVIEW FUNCTION)
..... 6
Functional Diagram .................................................. 7Components Description .......................................... 9CAN Communication ................................................ 9
CAN COMMUNICATION UNIT ............................. 9
Switch Operation .................................................... 10ICC System Display ............................................... 10
ACTION TEST ...........................................................11
ICC System Running Test .......................................11
VEHICLE-TO-VEHICLE DISTANCE CONTROL MODE ..................................................................11CONVENTIONAL (FIXED SPEED) CRUISE CONTROL MODE ............................................... 12
LASER BEAM AIMING ADJUSTMENT ................... 14
Outline .................................................................... 14Preparation ............................................................. 14Outline of Adjustment Procedure ........................... 14Setting the ICC Target Board ................................. 14
ADJUSTING HEIGHT OF THE TARGET ............ 14
SETTING THE TARGET ..................................... 15
Aiming Adjustment .................................................. 16
CHECK AFTER THE ADJUSTMENT .................. 18
ELECTRICAL UNITS LOCATION ............................ 19
Component Parts and Harness Connector Location
... 19
WIRING DIAGRAM ................................................... 20
Schematic ............................................................... 20Wiring Diagram — ICC — ...................................... 21
TERMINALS AND REFERENCE VALUE ................. 29
Terminals and Reference Value for ICC Unit .......... 29Terminals and Reference Value for ICC Sensor ..... 30Terminals and Reference Value for ICC Warning Chime (Without LDW Models) ................................ 31Terminals and Reference Value for ICC Warning Chime (With LDW Models) ..................................... 31
TROUBLE DIAGNOSIS - GENERAL DESCRIP-TION .......................................................................... 32
Work Flow ............................................................... 32CONSULT-II Function (ICC) ................................... 33
CONSULT-II BASIC OPERATION ....................... 33WORK SUPPORT ............................................... 33SELF-DIAG RESULTS ........................................ 34DATA MONITOR ................................................. 34ACTIVE TEST ..................................................... 36
Self-Diagnostic Function ......................................... 38
WITH CONSULT-II .............................................. 38WITHOUT CONSULT-II ....................................... 38SELF-DIAGNOSIS BY ICC SYSTEM DISPLAY WILL NOT RUN ................................................... 40
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ........................................................................ 43
Diagnostic Trouble Code (DTC) Chart ................... 43DTC 11 CONTROL UNIT ....................................... 44DTC 20 CAN COMM CIRCUIT ............................... 45DTC 31 POWER SUPPLY CIR, DTC 34 POWER SUPPLY CIR 2 ....................................................... 45DTC 41 VHCL SPEED SE CIRC ............................ 46DTC 43 ABS/TCS/VDC CIRC ................................ 47DTC 45 BRAKE SW/STOP L SW ........................... 47DTC 46 OPERATION SW CIRC ............................. 49