high beam INFINITI M35 2006 Factory Service Manual

ACS-2Revision: 2006 January2006 M35/M45 PLY CIR 2 ............................................................... 41
DTC 3 VHCL SPEED SE CIRC .............................. 42
DTC 4 ABS/TCS/VDC CIRC .................................. 42
DTC 5 BRAKE SW/STOP L SW ............................. 43
DTC 6 OPERATION SW CIRC ............................... 47
DTC 12 LASER BEAM OFFCNTR ......................... 48
DTC 13 STOP LAMP RLY FIX ............................... 49
DTC 14 ECM CIRCUIT ........................................... 55
DTC 15 GEAR POSITION ...................................... 56
DTC 16 RADAR STAIN .......................................... 57
DTC 18 LASER AIMING INCMP ............................ 57
DTC 21 UNIT HIGH TEMP ..................................... 57
DTC 24 NP RANGE ............................................... 58
DTC 25 SHIFT RANGE IND ................................... 58
DTC 26 ECD MODE MALF .................................... 59
DTC 27 ECD PWR SUPLY CIR .............................. 59
DTC 100 CAN COMM CIRCUIT ............................. 60
DTC 110 CONTROL UNIT (CAN) ........................... 60
TROUBLE DIAGNOSIS FOR SYMPTOMS .............. 61
Symptom Chart ....................................................... 61
Symptom 1: MAIN Switch Does Not Turn ON*
1 ,
MAIN Switch Does Not Turn OFF*
2 ........................ 62Symptom 2: ICC System Cannot Be Set (MAIN
Switch Turns ON/OFF) ............................................ 63
Symptom 3: ICC System Cannot Be Operated by
CANCEL Switch, RESUME/ACCELERATE Switch
or DISTANCE Switch .............................................. 64
Symptom 4: ICC System Is Not Cancelled When
the A/T Selector Lever Is In Other Than “D” and “M” ... 64
Symptom 5: Chime Does Not Sound ...................... 65
Symptom 6: Driving Force Is Hunting ..................... 66
Symptom 7: ICC System Frequently Cannot Detect
the Vehicle Ahead/ Detection Zone Is Short ........... 66
Symptom 8: The System Does Not Detect the Vehi-
cle Ahead at All ....................................................... 67
ELECTRICAL COMPONENT INSPECTION ............. 68
ICC Steering Switch ................................................ 68
ICC Brake Hold Relay ............................................. 68
ICC Brake Switch and Stop Lamp Switch ............... 68
REMOVAL AND INSTALLATION .............................. 69
ICC Sensor Integrated Unit ..................................... 69
REMOVAL ............................................................ 69
INSTALLATION .................................................... 69
ICC Steering Switch ................................................ 69

DESCRIPTION
ACS-7
[ICC]
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Components DescriptionNKS004CH
CAN CommunicationNKS004CI
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tric control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN COMMUNICATION UNIT
Refer to LAN-34, "CAN Communication Unit" .
ComponentVehicle-to-
vehicle
distance
control modeConventional
(fixed speed)
cruise
control modeBrake assist
(with pre-
view func-
tion)Description
ICC sensor integrated unit
Controls vehicle distance by operating electric throttle
control actuator based on that sensor signals and
CAN communication data.
Controls vehicle distance by transmitting deceleration
degree commandment value signal to ABS actuator
and electric unit (control unit) when deceleration with
brake is needed.
Irradiates laser beam, and receives reflected laser
beam to measure distance from preceding vehicle.
ECM
Transmits accelerator pedal position signal, ICC brake
switch signal, stop lamp switch signal and ICC steering
switch signal to ICC sensor integrated unit through CAN
communication.
ABS actuator and electric
unit (control unit)
Transmits vehicle speed signal (wheel speed) and
stop lamp switch signal to ICC sensor integrated unit
through CAN communication.
Receives Deceleration degree commandment value
signal from ICC sensor integrated unit, and controls
brake fluid pressure with the ABS motor.
BCM
Transmits front wiper request signal to ICC sensor inte-
grated unit through CAN communication.
TCM
Transmits gear position signal and output shaft revolu-
tion signal to ICC sensor integrated unit through CAN
communication.
Unified meter and A/C amp.
Receives meter display signal, ICC warning lamp signal
and buzzer output signal from ICC sensor integrated
unit through CAN communication.
ICC brake switch
Transmits operating signal to ECM when depressing
brake pedal. ICC sensor integrated unit cancels cruise
system at driver's brake operation.
Stop lamp switch
Transmits operating signal to ECM and ABS actuator
and electric unit (control unit) when depressing brake
pedal. ICC sensor integrated unit cancels cruise system
at driver's brake operation.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-39
[ICC]
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSPFP:25962
Diagnostic Trouble Code (DTC) ChartNKS004CZ
: Applicable
DTC
No.CONSULT-II
screen termsICC
system
warning
lampFail-safe
Malfunctions detected where...Refer-
ence
page Vehicle-
to-
vehicle
distance
control
modeConven-
tional
(fixed
speed)
cruise
control
modeBrake
assist
(with
preview
function)
0CONTROL UNIT
[C1A00]
ICC sensor integrated unit internal
malfunction.ACS-41
1POWER SUPPLY CIR
[C1A01]
ICC sensor integrated unit power
supply voltage is excessively low
(less than 8V).ACS-41
2POWER SUPPLY CIR 2
[C1A02]
ICC sensor integrated unit power
supply voltage is excessively high
(more than 19V).ACS-41
3VHCL SPEED SE CIRC
[C1A03]
Wheel sensor malfunction.
ABS actuator and electric unit
(control unit) malfunction.
A/T vehicle speed sensor mal-
function.
TCM malfunction.
ICC sensor integrated unit mal-
function.ACS-42
4ABS/TCS/VDC CIRC
[C1A04]VDC/TCS/ABS system malfunc-
tion.ACS-42
5BRAKE SW/STOP L SW
[C1A05]
Stop lamp switch harness is open
or shorted.
Stop lamp switch is stuck to OFF.
ICC brake switch or stop lamp
switch is stuck to ON.
ECM malfunction.
ABS actuator and electric unit
(control unit) malfunction.ACS-43
6OPERATION SW CIRC
[C1A06]
ICC steering switch harness or
spiral cable is open or shorted.
ICC steering switch malfunction.ACS-47
12LASER BEAM OFFCNTR
[C1A12]Laser beam of ICC sensor inte-
grated unit is off the aiming point.ACS-48
13STOP LAMP RLY FIX
[C1A13]
Normally open terminal of ICC
brake hold relay is stuck.
Improper installation of ICC brake
switch or stop lamp switch.
ICC brake switch malfunction.
ECM malfunction.
ABS actuator and electric unit
(control unit) malfunction.ACS-49

ACS-40
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 January2006 M35/M45
14ECM CIRCUIT
[C1A14]
ECM malfunction.
Accelerator pedal position sensor
malfunction.
ICC sensor integrated unit mal-
function.ACS-55
15GEAR POSITION
[C1A15]
TCM malfunction.
A/T turbine revolution sensor mal-
function.
A/T vehicle speed sensor mal-
function.ACS-56
16RADAR STAIN
[C1A16]ICC sensor integrated unit body
window has contamination.ACS-57
18LASER AIMING INCMP
[C1A18]Laser beam aiming of ICC sensor
integrated unit is not adjusted.ACS-57
21UNIT HIGH TEMP
[C1A21]Temperature around ICC sensor
integrated unit is excessively high.ACS-57
24NP RANGE
[C1A24]
Park/neutral position switch mal-
function.
TCM malfunction.ACS-58
25 SHIFT RANGE IND
[C1A25]TCM malfunction.ACS-58
26ECD MODE MALF
[C1A26]
ABS actuator and electric unit
(control unit) malfunction.
ICC sensor integrated unit mal-
function.ACS-59
27ECD PWR SUPLY CIR
[C1A27]
ABS actuator and electric unit
(control unit) power supply voltage
is excessively low.
ABS actuator and electric unit
(control unit) malfunction.ACS-59
55NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.No malfunction item has been
detected. —
100CAN COMM CIRCUIT
[U1000]
ICC sensor integrated unit detects
CAN communication malfunction.ACS-60
11 0CONTROL UNIT (CAN)
[U1010]
ICC sensor integrated unit detects
malfunction by CAN initial diagno-
sis.ACS-60
DTC
No.CONSULT-II
screen termsICC
system
warning
lampFail-safe
Malfunctions detected where...Refer-
ence
page Vehicle-
to-
vehicle
d i s t a n c e
control
modeConven-
tional
(fixed
speed)
cruise
control
modeBrake
assist
(with
preview
function)

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
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DTC 16 RADAR STAINNKS004DA
1. VISUAL INSPECTION 1
Check ICC sensor integrated unit body window for contamination and foreign materials.
Is it found?
YES >> 1. If any, remove them.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 2.
2. VISUAL INSPECTION 2
Check ICC sensor integrated unit body window for cracks and scratches.
Is it found?
YES >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 3.
3. ASKING COMPLAINTS
1. Ask if there is any trace of contamination or foreign material on ICC sensor integrated unit.
2. Ask if vehicle was driven in snow or ICC sensor integrated unit was frosted.
3. Ask if ICC sensor integrated unit was fogged temporarily. (Front window glass may have also tended to be
fogged.)
Is there any symptom?
YES >> Explain difference in displays between contamination detection result and current indication to
customer, and tell them “This is not malfunction”.
NO >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 18 LASER AIMING INCMPNKS004DB
1. ADJUST LASER BEAM AIMING
1. Adjust laser beam aiming. Refer to ACS-13, "
LASER BEAM AIMING ADJUSTMENT" .
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
3. Check if “LASER AIMING INCMP [C1A18]” (DTC 18) is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> INSPECTION END
DTC 21 UNIT HIGH TEMPNKS004DC
1. CHECK SYMPTOM
Check if cooling system malfunctions.
Does it malfunction?
YES >> 1. Repair cooling system.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

COMBINATION METERS
DI-9
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FA I L - S A F E
Combination meter performs fail-safe operation when unified meter and A/C amp. communication is malfunc-
tion.
Solution for communication error between the unified meter & A/C amp. and combination meter
Function Specifications
Speedometer
Reset to zero by suspending communication. Tachometer
Fuel gauge
Water temperature gauge
Illumination control Meter illumination When suspending communication, change to nighttime mode.
Dot matrix LCDPush engine starter
The display turns off by suspending communication. A/T position
ICC system
Buzzer The buzzer turns off by suspending communication.
Warning lamp/indicator lampABS warning lamp
The lamp turns on by suspending communication. Brake warning lamp
CRUISE warning lamp
VDC OFF indicator lamp
SLIP indicator lamp
A/T CHECK warning lamp
The lamp turns off by suspending communication. AWD warning lamp
Oil pressure warning lamp
Door warning lamp
Malfunction indicator lamp
CRUISE indicator lamp
SET indicator lamp
Low tire pressure warning lamp
AFS OFF indicator lamp
Front fog indicator lamp
High beam indicator
Turn signal indicator lamp
Key warning lamp

DI-28
UNIFIED METER AND A/C AMP
Revision: 2006 January2006 M35/M45
UNIFIED METER AND A/C AMPPFP:27760
System DescriptionNKS003UG
For the unified meter and A/C amp., the signal required for controlling the combination meter are integrated in
the A/C auto amp.
COMBINATION METER CONTROL FUNCTION
Unified meter and A/C amp. inputs necessary information for combination meter from each unit with CAN
communication and so on.
Unified meter and A/C amp. outputs signals with communication line (TX, RX) between unified meter and
A/C amp. and combination meter.
Unified meter and A/C amp. corresponds a CONSULT-II function (self-diagnostic results, CAN diagnostic
support monitor and data monitor).
Input/output Signals
Between unified meter and A/C amp. and combination meter.
Unit Input from combination meter Output to combination meter
Unified meter and A/C amp.
Refuel status signal
Low-fuel warning lamp condition signal
Delivery destination data signal
Combination meter receive error signal
Combination meter specifications signal
Odo date signal
Vehicle speed signal
Turn indicator signal
High beam request signal
Ring illumination request signal
Position light request signal
Front fog lamp request signal
SET indicator lamp signal
CRUISE indicator lamp signal
Engine speed signal
Fuel level sensor signal (resistance value)
Engine coolant temperature signal
CAN communication condition signal of A/T
A/T position indicator signal
Manual mode indicator signal
A/T CHECK warning lamp signal
AWD warning lamp signal
Low tire pressure warning lamp signal
VDC OFF indicator lamp signal
SLIP indicator lamp signal
ABS warning lamp signal
Brake warning lamp signal
Malfunction indicator lamp signal
Oil pressure switch signal
Door switch signal
Buzzer request signal
ICC warning lamp signal
Meter display signal
AFS OFF indicator signal

UNIFIED METER AND A/C AMP
DI-33
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DATA MONITOR
Operation Procedure
1. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
2. Touch either “MAIN SIGNALS” or “SELECTION FROM MENU” on the “DATA MONITOR” screen.
3. When “SELECTION FROM MENU” is selected, touch individual items to be monitored. When “MAIN SIG-
NALS” is selected, main items will be monitored.
4. Touch “START”.
5. Touch “RECORD” while monitoring, then the status of the moni-
tored item can be recorded. To stop recording, touch “STOP”.
Display Item List
X: Applicable MAIN SIGNALS Monitors main signals.
SELECTION FROM MENU Selects and monitors individual signal.
SKIA4957E
Display item [Unit]MAIN
SIGNALSSELECTION
FROM MENUDescription
SPEED METER [km/h] or [mph] X XDisplays the value of vehicle speed signal, which is input from ABS
actuator and electric unit (control unit).
SPEED OUTPUT [km/h] or [mph] X XDisplays the value of vehicle speed signal, which is transmitted to
each unit with CAN communication.
TACHO METER [rpm] X X Displays the value of engine speed signal, which is input from ECM.
W TEMP METER [
C] or [F] X XDisplays the value of engine coolant temperature signal, which is
input from ECM.
FUEL METER [lit.] X XDisplays the value, which processes a resistance signal from fuel
gauge.
DISTANCE [km] or [mile] X XDisplays the value, which is calculated by vehicle speed signal from
ABS actuator and electric unit (control unit), fuel gauge and fuel
consumption from ECM.
FUEL W/L [ON/OFF] X X Displays [ON/OFF] condition of low-fuel warning lamp.
MIL [ON/OFF] X Displays [ON/OFF] condition of malfunction indicator lamp.
AIR PRES W/L [ON/OFF] X Displays [ON/OFF] condition of low tire pressure warning lamp.
SEAT BELT W/L [ON/OFF] X Displays [ON/OFF] condition of seat belt warning lamp.
BUZZER [ON/OFF] X X Displays [ON/OFF] condition of buzzer.
DOOR W/L [ON/OFF] X Displays [ON/OFF] condition of door warning lamp.
HI-BEAM IND [ON/OFF] X Displays [ON/OFF] condition of high beam indicator.
TURN IND [ON/OFF] X Displays [ON/OFF] condition of turn indicator.
FR FOG IND [ON/OFF] X Displays [ON/OFF] condition of front fog indicator.
OIL W/L [ON/OFF] X Displays [ON/OFF] condition of oil pressure warning lamp.
VDC/TCS IND [ON/OFF] X Displays [ON/OFF] condition of VDC/TCS OFF indicator lamp.
ABS W/L [ON/OFF] X Displays [ON/OFF] condition of ABS warning lamp.
SLIP IND [ON/OFF] X Displays [ON/OFF] condition of SLIP indicator lamp.
BRAKE W/L [ON/OFF] X Displays [ON/OFF] condition of brake warning lamp. *
KEY Y/G W/L [ON/OFF] X Displays [ON/OFF] condition of key warning lamp.

IDX-5
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IDX
ALPHABETICAL INDEX
EC-310, EC-1009, EC-1020, EC-1033
Heated oxygen sensor 2 heater (bank 1) ....... EC-189,
EC-911
Heated oxygen sensor 2 heater (bank 2) ....... EC-189,
EC-911
Heated seat ..................................................... SE-143
Heater and cooling unit (Heater core) ........... ATC-135
HFC134a (R134a) system precaution ............... ATC-6
HFC134a (R134a) system service procedure ATC-151
HFC134a (R134a) system service tools .......... ATC-17
HFC134a system service equipment precaution ..........
ATC-13
High and low reverse clutch solenoid valve .... AT-159,
AT-161
Hood ................................................................... BL-15
Horn ................................................................. WW-53
HORN - Wiring diagram ................................... WW-53
How to erase DTC for OBD system ..... EC-67, EC-778
HSEAT - Wiring diagram ................................. SE-146
I
IATS - Wiring diagram ....................... EC-223
, EC-945
ICC - Wiring diagram ....................................... ACS-21
ICC/BS - Wiring diagram ................. EC-578, EC-1304
ICC/SW - Wiring diagram ................ EC-563, EC-1289
ICCBOF - Wiring diagram ................ EC-700, EC-1442
Idle air volume learning ....................... EC-96, EC-807
Idle mixture ratio .................................. EC-84, EC-795
Idle speed .............................. EC-77, EC-788, EC-793
Idle speed control (ISC) .... EC-483, EC-485, EC-1202,
EC-1204
Ignition coil ....................................... EC-666, EC-1407
Ignition coil(VK45DE) ...................................... EM-190
Ignition coil(VQ35DE) ........................................ EM-42
Ignition control system ..................... EC-666, EC-1407
Ignition timing ........................ EC-77, EC-788, EC-793
IGNSYS - Wiring diagram ................ EC-667, EC-1408
Illumination ....................................................... LT-295
Illumination control ................. LT-291, LT-292, LT-293
In vehicle sensor ........................... ATC-116, ATC-127
INJECT - Wiring diagram ................. EC-680, EC-1421
Injector ............................................................. EC-679
Input clutch solenoid valve ................. AT-147, AT-149
Instrument panel .................................................. IP-10
Intake air temperature sensor ........... EC-221, EC-241,
EC-943
, EC-964
Intake door control linkage adjustment ............ ATC-88
Intake door motor ........................... ATC-86, ATC-133
Intake manifold collector(VQ35DE) ................... EM-19
Intake manifold(VK45DE) ................................ EM-179
Intake manifold(VQ35DE) .................................. EM-24
Intake sensor ................................ ATC-122, ATC-129
Intake valve timing control (Bank 1) .. EC-178, EC-891
Intake valve timing control (Bank 2) .. EC-178, EC-891
Intake valve timing control position sensor (Bank 1) ....
EC-1228
Intake valve timing control position sensor (Bank 2) ....
EC-1228
Intake valve timing control solenoid valve (Bank 1) ......
EC-197
, EC-920
Intake valve timing control solenoid valve (Bank 2) ......
EC-197
, EC-920
Integrated homelink transmitter ....................... BL-281
Intelligent cruise control (ICC) system .............. ACS-6
Interior ................................................................. EI-37
Interior lamp ...................................................... LT-267
IPDM (Intelligent power distribution module engine
room) ................................................................. PG-18
IVCB1 - Wiring diagram ..................... EC-198, EC-921
IVCB2 - Wiring diagram ..................... EC-200, EC-923
IVCSB1 - Wiring diagram ............................... EC-1229
IVCSB2 - Wiring diagram ............................... EC-1231
IVIS (Infiniti vehicle immobilizer system) precautions ...
GI-3
IVTB1 - Wiring diagram ................................... EC-894
IVTB2 - Wiring diagram ................................... EC-896
K
Knock sensor (KS) ........................... EC-371
, EC-1094
KS - Wiring diagram ......................... EC-372, EC-1095
L
LAN system circuit ........................................... ATC-70
Lane Departure Warning System ....................... DI-78
Laser beam aiming adjustment ....................... ACS-13
Latch (lower anchors and tether for children) system ...
SB-36
LDW .................................................................... DI-78
LDW - Wiring Diagram ........................................ DI-89
License lamp ..................................................... LT-249
Line pressure solenoid valve ........................... AT-130
Line pressure test (A/T) ..................................... AT-55
Liquid gasket application ......................... EM-7, LU-22
Liquid gasket application(VQ35DE) ........... LU-3, CO-3
Location of electrical units ................................. PG-96
Low coast brake solenoid valve ......... AT-163, AT-165
Low tire pressure warning system ...................... WT-9
Lubricant (R134a) A/C ..................................... ATC-26
Lubrication circuit (engine)(VK45DE) ................ LU-24
Lubrication circuit (engine)(VQ35DE) .................. LU-5
Lubrication oil A/C .......................................... ATC-174
M
MAFS - Wiring diagram ..... EC-208
, EC-216, EC-930,
EC-938
Magnet clutch .................................................. ATC-94
MAIN - Wiring diagram ........ EC-166, EC-879, AT-180
Maintenance (engine)(VQ35DE) ...................... MA-14
Major overhaul (Final drive) .............. FFD-15, RFD-18
Major overhaul (Transfer) .................................. TF-45
Malfunction indicator lamp (MIL) .......... EC-69, EC-780
Manual mode switch ........................................ AT-167
Mass air flow sensor (MAFS) ............ EC-205, EC-214,
EC-927
, EC-936

CAN COMMUNICATION
LAN-41
[CAN]
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Blower fan motor switch signal R T
Buzzer output signalTR
TR
RT
Day time running light request signal T R
Door lock/unlock status signal T R
Door switch signal T R R R R R
Door unlock signal T R
Front fog light request signal T R R
Front wiper request signal T R R
High beam request signal T R R
Ignition switch ON signal T R R
Ignition switch signal T R R
Key ID signal T R
Key switch signal T R
Low beam request signal T R
Position light request signal T R R
Rear window defogger switch signal T R
Sleep wake up signal T R R R R
Starter request signal T R
Theft warning horn request signal T R
Trunk switch signal T R R
Turn indicator signal T R R
Tire pressure data signal T R
Tire pressure signal T R R
Steering angle sensor signal R T R R
Door lock/unlock trunk open request signal R T
Hazard and horn request signal R T
Key warning signalTR
Meter display signalTR
RT
Panic alarm request signal R T
Power window open request signal R T
A/C evaporator temperature signal R TSignals
ECM
TCM
AFS control unit*1
BCM
LDW camera unit*2
Low tire pressure warning control unit
Steering angle sensor
Intelligent Key unit
Unified meter and A/C amp.
AV (NAVI) control unit
RAS control unit*3
Pre-crash seat belt control unit*4
Driver seat control unit
ABS actuator and electric unit (control unit)
ICC sensor integrated unit*5
IPDM E/R