high beam INFINITI FX35 2004 Service Manual

ACS-2Revision: 2004 November 2004 FX35/FX45DTC 63 RELEASE SW CIRCUIT ........................... 48
DTC 65 PRESSURE CONTROL ............................ 49
DTC 74 LASER BEAM OFF CNTR ........................ 49
DTC 90 STOP LAMP RLY FIX ............................... 50
DTC 92 ECM CIRCUIT ........................................... 54
DTC 96 NP RANGE ............................................... 55
DTC 97 AT CIRCUIT .............................................. 56
DTC 98 GEAR POSITION ...................................... 56
DTC 102 RADAR STAIN ........................................ 57
DTC 103 LASER SENSOR FAIL ............................ 58
DTC 104 LASER AIMING INCMP .......................... 58
DTC 107 LASER COMM FAIL ................................ 58
DTC 109 LASER HIGH TEMP ............................... 58
TROUBLE DIAGNOSIS FOR SYMPTOMS .............. 59
Symptom Chart ....................................................... 59
Symptom 1: ON/OFF Switch Does Not Switch ON*
1
. ON/OFF Switch Does Not Switch OFF*
2 . ............ 60
Symptom 2: The ICC System Cannot Be Set (ON/
OFF Switch Turns On/Off). ..................................... 60
Symptom 3: The ICC System Cannot Be Operated by the CANCEL Switch, ACCEL/RES Switch, or
DISTANCE Switch. ................................................. 61
Symptom 4: The ICC System Is Not Cancelled
When the Gear Is in Other Than ‘D’. ....................... 62
Symptom 5: Chime Does Not Sound. ..................... 62
Symptom 6: Driving Force Is Hunting. .................... 63
Symptom 7: The ICC System Frequently Cannot
Detect the Vehicle Ahead/The Detection Zone Is
Short. ...................................................................... 63
Symptom 8: The System Does Not Detect the Vehi-
cle Ahead at All. ...................................................... 63
ELECTRICAL COMPONENT INSPECTION ............. 65
ICC Steering Switch ................................................ 65
ICC Brake Switch and Stop Lamp Switch ............... 65
Booster Solenoid ..................................................... 65
Release Switch ....................................................... 66
REMOVAL AND INSTALLATION .............................. 67
ICC Unit .................................................................. 67
ICC Sensor ............................................................. 67
ICC Steering Switch ................................................ 67

DESCRIPTION
ACS-7
[ICC]
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Revision: 2004 November 2004 FX35/FX45
Components DescriptionAKS006YD
CAN CommunicationAKS00815
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-6, "CAN Communication Unit" .
Switch OperationAKS006YF
The system is operated by a master ON/OFF switch and four control switches, all mounted on the steering
wheel.
ComponentVe h i -
cle-to-
vehi-
cle dis-
tance
con-
trol
modeCon-
ven-
tional
(fixed
speed)
cruise
con-
trol
modeBrake
assist
(with
pre-
view
brake)Description
ICC unit×××Operates throttle control actuator and brake booster based on that sensor
signals and CAN communication data, then controls vehicle distance.
ICC sensor××Irradiate laser beam, and receives reflected laser beam to measure dis-
tance from preceding vehicle.
ECM××Transmits throttle position signal and ICC steering switch signal to ICC unit.
ABS actuator and electric
unit (control unit)×××Transmits wheel speed signal to ICC unit.
Brake pressure sensor××Detects fluid pressure in master cylinder.
Brake booster××Adjusts brake fluid pressure, based on command from ICC unit.
BCM×Transmit front wiper request signal to ICC unit.
TCM××Transmits gear position signal and output shaft revolution signal to ICC
unit.
SKIA5973E

ACS-40
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2004 November 2004 FX35/FX45
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSPFP:00000
Diagnostic Trouble Code (DTC) ChartAKS006YW
×:Applicable
DTC
No.CONSULT-II screen termsICC sys-
tem
warning
lampFail-safe
Malfunctions detected where...Refer-
ence
page Ve h ic le -
to-vehi-
cle dis-
tance
control
modeConven-
tional
(fixed
speed)
cruise
control
modeBrake
assist
(with pre-
view
function)
11 CONTROL UNIT××××

ICC unit internal malfunctionACS-41
20 CAN COMM CIRCUIT××××
ICC unit detected CAN communi-
cation malfunction.ACS-41
31 POWER SUPPLY CIR××××
ICC unit power supply voltage is
excessively low. (less than 8V)ACS-42
34 POWER SUPPLY CIR2××××
ICC unit power supply voltage is
excessively high.ACS-42
41 VHCL SPEED SE CIRC××××

Wheel sensor malfunction.

ABS actuator and electric unit
(control unit) malfunction

AT vehicle speed sensor mal-
function

TCM malfunctionACS-42
43 ABS/TCS/VDC CIRC××××
VDC/TCS/ABS system malfunc-
tionACS-43
45 BRAKE SW/ STOP L SW××××

Brake and stop lamp switch har-
ness is open or shorted.

Brake and stop lamp switch is
ON or stuck to OFF.

Brake and stop lamp switch is
stuck to ON.ACS-43
46 OPERATION SW CIRC×××

ICC steering switch harness or
spiral cable is open or shorted.

ICC steering switch malfunctionACS-45
61 PRESS SEN CIRCUIT×× ×

Brake pressure sensor harness is
open or shorted.

Brake pressure sensor malfunc-
tion

Brake pressure sensor input cir-
cuit malfunctionACS-46
62 BOOSTER SOL/V CIRCUIT×× ×

Solenoid harness is open or
shorted.

Solenoid is open.

Solenoid drive circuit malfunctionACS-47
63 RELEASE SW CIRCUIT××××

Release switch harness is open
or shorted.

Release switch malfunction

Release switch input circuit mal-
functionACS-48
65 PRESSURE CONTROL×× ×
Booster malfunctionACS-49
74 LASER BEAM OFF CNTR×× ×
Laser beam of ICC sensor is off
the aiming point.ACS-49

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-41
[ICC]
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DTC 11 CONTROL UNITAKS006YX
1. DIAGNOSTIC CHECK
1. Are any items other than “DTC 11 CONTROL UNIT” indicated on self-diagnosis display?
YES or NO
YES >> Repair or replace applicable item. Erase DTC and perform ICC system running test. Then perform
self-diagnosis of ICC system again.
NO >> Replace ICC unit. Erase DTC and perform ICC system running test. Then perform self-diagnosis
of ICC system again.
DTC 20 CAN COMM CIRCUITAKS006YY
1. CHECK CAN COMMUNICATION
With CONSULT-II
1. Perform self-diagnosis.
2. Print self-diagnostic result.
>> After printing self-diagnostic result, go to “CAN system”. Refer to LAN-4, "
Precautions When
Using CONSULT-II" .
90 STOP LAMP RLY FIX×× ×
Normally open terminal of stop
lamp relay is stuck.ACS-50
92 ECM CIRCUIT××××

ECM malfunction

Accelerator pedal position sensor
malfunction

ICC unit malfunctionACS-54
96 NP RANGE×××

Park/neutral position switch har-
ness is open or shorted.

Park/neutral position switch mal-
function.

TCM malfunctionACS-55
97 AT CIRCUIT×××
TCM malfunctionACS-56
98 GEAR POSITION×××

TCM malfunction

AT turbine revolution sensor mal-
function

AT vehicle speed sensor mal-
functionACS-56
102 RADAR STAIN×× ×
ICC sensor body window has
contamination.ACS-57
103 LASER SENSOR FAIL×× ×
ICC sensor internal malfunctionACS-58
104 LASER AIMING INCMP×× ×
Laser beam aiming of ICC sensor
is not adjusted.ACS-58
107 LASER COMM FAIL×× ×

CAN data received by ICC sen-
sor is strange (from ICC unit,
combination meter or ECM).ACS-58
109 LASER HIGH TEMP×× ×
Temperature around ICC sensor
is excessively high.ACS-58
DTC
No.CONSULT-II screen termsICC sys-
tem
warning
lampFail-safe
Malfunctions detected where...Refer-
ence
page Vehicle-
to-vehi-
cle dis-
tance
control
modeConven-
tional
(fixed
speed)
cruise
control
modeBrake
assist
(with pre-
view
function)

ACS-58
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2004 November 2004 FX35/FX45
DTC 103 LASER SENSOR FAILAKS006ZJ
1. DIAGNOSTIC CHECK

Are “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” item indicated in self-diagnosis display
item?
YES or NO
YES >> GO TO APPLICABLE ITEM INSPECTION. Refer to ACS-41, "DTC 11 CONTROL UNIT" , and
ACS-41, "
DTC 20 CAN COMM CIRCUIT" .
NO >>

Replace ICC sensor, and adjust laser beam aiming.

After that, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC
system again.
DTC 104 LASER AIMING INCMPAKS006ZK
1. DIAGNOSTIC CHECK
1. Adjust laser beam aiming. Erase DTC and perform ICC system running test.
2. After that, perform self-diagnosis of ICC system. Is “DTC 104 LASER AIMING INCMP” indicated?
YES or NO
YES >>
Replace ICC sensor, and adjust laser beam aiming.

After that, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC
system again.
NO >> INSPECTION END
DTC 107 LASER COMM FAILAKS006ZL
1. DIAGNOSTIC CHECK

Is “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” items other than “DTC 107 LASER
COMM FAIL” indicated in the self-diagnosis display item?
YES or NO
YES >> GO TO APPLICABLE ITEM INSPECTION. Refer to ACS-41, "DTC 11 CONTROL UNIT" , and
ACS-41, "
DTC 20 CAN COMM CIRCUIT" .
NO >>

Replace ICC sensor. Adjust laser beam aiming.

After that, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC
system again.
DTC 109 LASER HIGH TEMPAKS006ZM
1. CHECK SYMPTOM

Is cooling system malfunctioning?
YES or NO
YES >>
Repair cooling system.

After that, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC
system again.
NO >>

Replace ICC sensor, and adjust laser beam aiming.

After repair, erase DTC. Then perform ICC system running test, and perform self-diagnosis of
ICC unit.

DI-28
UNIFIED METER AND A/C AMP
Revision: 2004 November 2004 FX35/FX45
UNIFIED METER AND A/C AMPPFP:27760
System DescriptionAKS005N8

For the unified meter and A/C amp., the signal required for controlling the combination meter are inte-
grated in the A/C auto amp.

Unified meter and A/C amp. controls each operation for A/C auto amp. For information regarding A/C con-
trol, refer to AT C - 3 0 , "
AIR CONDITIONER CONTROL" in ATC section.

Unified meter and A/C amp. inputs necessary information for combination meter from each unit by CAN
communication and so on.

And unified meter and A/C amp. outputs these signals using communication line (TX, RX) between unified
meter and A/C amp. and combination meter.

The signals required for the distance to empty (DTE) display are centralized in the unified meter and A/C
amp., converted into data, and sent to the display unit (without NAVI) display control unit (with NAVI) using
CAN communication.

Other input signals are also sent to the ECM, TCM, AWD control unit, BCM, display unit (without NAVI)
and display control unit (with NAVI) using CAN communication.

The unified meter and A/C amp. have a CONSULT-II function (self-diagnostic results, CAN diagnostic
support monitor, data monitor).
INPUT/OUTPUT SIGNALS
Between Unified Meter & A/C amp. and Combination Meter
Unit Input Output
Unified meter and A/C amp.

Seat belt buckle switch signal (Driver's side)

Parking brake signal

Illumination control nighttime required signal

Refuel status signal

Low-fuel warning lamp condition signal

Combination meter receive error signal

Delivery destination data signal

Combination meter specifications signal

Vehicle speed signal (8-pulse)

Engine speed signal

Engine coolant temperature signal

Fuel level sensor signal (resistance value)

Malfunction indicator lamp signal

ABS warning lamp signal

Low tire pressure warning lamp signal

Brake warning lamp signal

A/T CHECK warning lamp signal

ICC warning lamp signal

Oil pressure switch signal

Door switch signal

AWD warning lamp signal

VDC OFF indicator lamp signal

SLIP indicator lamp signal

ASCD CRUISE indicator lamp signal

ASCD SET indicator lamp signal

High beam request signal

Turn indicator signal

Snow mode switch signal

ICC system display signal

A/T position indicator signal

Manual mode indicator signal

Manual mode gear position signal

CAN communication condition signal of A/T

Position lights request signal

Buzzer output signal

UNIFIED METER AND A/C AMP
DI-29
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FA I L - S A F E
Solution When Communication Error Between the Unified Meter & A/C Amp. and the Combi-
nation Meter
CAN Communication System DescriptionAKS007Z1
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-
tronic 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 UnitAKS007YX
Refer to LAN-6, "CAN Communication Unit" in “LAN SYSTEM”.
Function Specifications
Speedometer
Reset to zero by suspending communication. Tachometer
Fuel gauge
Water temperature gauge
Illumination control Combination meter illumination When suspending communication, change to nighttime mode.
Odo/trip meter Integrate in response to 8-pulse input.
A/T position indicator The display turns off by suspending communication.
Warning buzzer The warning buzzer turns off by suspending communication.
Warning lamp/indicator lampABS warning lamp
The lamp turns on by suspending communication. VDC OFF indicator
SLIP indicator
Brake warning lamp
Door warning lamp
The lamp turns off by suspending communication. Low tire pressure warning lamp
ASCD SET indicator lamp
ASCD CRUISE indicator lamp
AWD warning lamp
ICC warning lamp
A/T CHECK warning lamp
Oil pressure warning lamp
Snow mode indicator lamp
Turn signal indicator
Malfunction indicator lamp
High beam indicator

UNIFIED METER AND A/C AMP
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Revision: 2004 November 2004 FX35/FX45
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
SKIA4957E
Display item [Unit] MAIN SIGNALSSELECTION
FROM MENUContents
SPEED METER [km/h] or [mph] X XThis is the angle correction value after the speed signal
from the ABS actuator and electric unit (control unit) is
converted into the vehicle speed.
SPEED OUTPUT [km/h] or [mph] X XThis is the angle correction value before the speed signal
from the ABS actuator and electric unit (control unit) is
converted into the vehicle speed.
TACHO METER [rpm] X XThis is the converted value for the engine speed signal
from the ECM.
W TEMP METER [°C] or [°F] X XThis is the converted value for the engine coolant temper-
ature signal from the ECM.
FUEL METER [lit.] X XThis is the processed value for the signal (resistance
value) from the fuel gauge.
DISTANCE [km] or [mile] X XThis is the calculated value for the speed signal from the
ABS actuator and electric unit (control unit), the signal
(resistance signal) from the fuel gauge and fuel consump-
tion signal from ECM.
FUEL W/L [ON/OFF] X X Indicates [ON/OFF] condition of low-fuel warning lamp.
MIL [ON/OFF] XIndicates [ON/OFF] condition of malfunction indicator
lamp.
AIR PRES W/L [ON/OFF] XIndicates [ON/OFF] condition of low tire pressure warning
lamp.
SEAT BELT W/L [ON/OFF] X Indicates [ON/OFF] condition of seat belt warning lamp.
BUZZER [ON/OFF] X X Indicates [ON/OFF] condition of buzzer.
DOOR W/L [ON/OFF] X Indicates [ON/OFF] condition of door warning lamp.
HI-BEAM IND [ON/OFF] X Indicates [ON/OFF] condition of high beam indicator.
TURN IND [ON/OFF] X Indicates [ON/OFF] condition of turn indicator.
OIL W/L [ON/OFF] X Indicates [ON/OFF] condition of oil pressure warning lamp.
VDC/TCS IND [ON/OFF] X Indicates [ON/OFF] condition of VDC OFF indicator lamp.
ABS W/L [ON/OFF] X Indicates [ON/OFF] condition of ABS warning lamp.
SLIP IND [ON/OFF] X Indicates [ON/OFF] condition of SLIP indicator lamp.
BRAKE W/L [ON/OFF] X Indicates [ON/OFF] condition of brake warning lamp.*
KEY G W/L [ON/OFF] X Indicates [ON/OFF] condition of key warning lamp (green).
KEY R W/L [ON/OFF] X Indicates [ON/OFF] condition of key warning lamp (red).
KEY KNOB W/L [ON/OFF] X Indicates [ON/OFF] condition of key knob warning lamp.
M RANGE SW [ON/OFF] X XIndicates [ON/OFF] condition of manual mode range
switch.
NM RANGE SW [ON/OFF] X XIndicates [ON/OFF] condition of except for manual mode
range switch.

IDX-5
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ALPHABETICAL INDEX
LT-73
Headlining - See Roof trim .................................. EI-42
Heated oxygen sensor 1 (bank 1) .... EC-205, EC-214,
EC-226
, EC-433, EC-439, EC-863, EC-872, EC-884,
EC-1103
, EC-1109
Heated oxygen sensor 1 (bank 2) .... EC-205, EC-214,
EC-226
, EC-433, EC-439, EC-863, EC-872, EC-884,
EC-1103
, EC-1109
Heated oxygen sensor 1 heater (bank 1) ....... EC-149,
EC-806
Heated oxygen sensor 1 heater (bank 2) ....... EC-149,
EC-806
Heated oxygen sensor 2 (bank 1) .... EC-236, EC-245,
EC-446
, EC-457, EC-894, EC-903, EC-1116, EC-1127
Heated oxygen sensor 2 (bank 2) .... EC-236, EC-245,
EC-446
, EC-457, EC-894, EC-903, EC-1116, EC-1127
Heated oxygen sensor 2 heater (bank 1) ....... EC-157,
EC-814
Heated oxygen sensor 2 heater (bank 2) ....... EC-157,
EC-814
Heated seat ....................................................... SE-98
Heater and cooling unit (Heater core) ........... ATC-126
HFC134a (R134a) system precaution ............... ATC-5
HFC134a (R134a) system service procedure ATC-137
HFC134a (R134a) system service tools .......... ATC-18
HFC134a system service equipment precaution ..........
ATC-13
High & low reverse clutch solenoid valve ....... AT-164,
AT-166
Hood ................................................................... BL-14
Horn ................................................................. WW-56
HORN - Wiring diagram ................................... WW-56
HSEAT - Wiring diagram ................................... SE-99
I
IATS - Wiring diagram ....................... EC-182
, EC-839
ICC - Wiring diagram ....................................... ACS-20
ICC/BS - Wiring diagram ................. EC-524, EC-1191
ICC/SW - Wiring diagram ................ EC-510, EC-1176
ICCBOF - Wiring diagram ................ EC-616, EC-1294
Idle air volume learning ....................... EC-49, EC-698
Idle mixture ratio .................................. EC-38, EC-687
Idle speed ............................................ EC-38, EC-687
Idle speed control (ISC) .... EC-392, EC-394, EC-1048,
EC-1050
Ignition coil ....................................... EC-585, EC-1262
Ignition coil(VK45DE) ...................................... EM-185
Ignition coil(VQ35DE) ........................................ EM-42
Ignition control system ..................... EC-585, EC-1262
Ignition key hole illumination ............................. LT-153
Ignition timing ...................................... EC-38, EC-687
IGNSYS - Wiring diagram ................ EC-586, EC-1263
Illumination control ............................................ LT-197
In vehicle sensor ........................... ATC-107, ATC-118
INF/D - Wring diagram ....................................... AV-63
INJECT - Wiring diagram ................. EC-598, EC-1275
Injector ............................................. EC-597, EC-1274
Input clutch solenoid valve ................. AT-152, AT-154
Instrument panel ................................................. IP-10
Intake air temperature sensor ........... EC-180, EC-200,
EC-837
, EC-858
Intake door control linkage adjustment ............ ATC-78
Intake door motor ............................ ATC-76, ATC-124
Intake manifold(VK45DE) ............................... EM-174
Intake manifold(VQ35DE) ................................. EM-24
Intake sensor ................................ ATC-113, ATC-120
Intake valve timing control (Bank 1) ... EC-145, EC-795
Intake valve timing control (Bank 2) ... EC-145, EC-795
Intake valve timing control position sensor (Bank 1) ....
EC-1095
Intake valve timing control position sensor (Bank 2) ....
EC-1095
Intake valve timing control solenoid valve (Bank 1) ......
EC-408
, EC-1070
Intake valve timing control solenoid valve (Bank 2) ......
EC-408
, EC-1070
Integrated homelink transmitter ....................... BL-228
Intelligent cruise control (ICC) system .............. ACS-6
Interior ................................................................. EI-37
Interior lamp ...................................................... LT-157
IPDM (Intelligent power distribution module engine
room) ................................................................. PG-18
IVCB1 - Wiring diagram .... EC-409, EC-798, EC-1071
IVCB2 - Wiring diagram .... EC-411, EC-800, EC-1073
IVCSB1 - Wiring diagram ............................... EC-1096
IVCSB2 - Wiring diagram ............................... EC-1098
IVIS (Infiniti vehicle immobilizer system) precautions ...
GI-3
J
Joint connector (J/C) .......................................... PG-76
K
Knock sensor (KS) ............................. EC-297
, EC-955
KS - Wiring diagram ........................... EC-298, EC-956
L
LAN system circuit ........................................... ATC-66
Laser beam aiming adjustment ....................... ACS-12
Latch (lower anchors and tether for children) system ...
SB-11
Line pressure solenoid valve ........................... AT-127
Line pressure test (A/T) ..................................... AT-52
Liquid gasket application ................................... LU-21
Liquid gasket application(VQ35DE) EM-6, LU-3, CO-3
Location of electrical units ................................. PG-70
Low coast brake solenoid valve ......... AT-168, AT-170
Low tire pressure warning system ...................... WT-7
Lubricant (R134a) A/C ........................ ATC-7, ATC-27
Lubrication circuit (engine)(VK45DE) ................ LU-23
Lubrication circuit (engine)(VQ35DE) .................. LU-5
Lubrication oil A/C .......................................... ATC-161

LAN-8
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Position light request signal R T R R
Low beam request signal T R
Low beam status signal RT
High beam request signal T R R
High beam status signal RT
Front fog light request signal T R
Day time running light request signal T R
Turn LED burnout status signal R T
Vehicle speed signalRT
RRRR T R
Sleep wake up signal T R R
Door switch signal R T R R R
Turn indicator signal T R
Key fob ID signal T R
Key fob door unlock signal T R
Oil pressure switch signalRT
TR
Buzzer output signal T R
Fuel level sensor signal R T
Fuel level low warning signal R T
ASCD SET lamp signal T R
ASCD CRUISE lamp signal T R
Malfunction indicator lamp signal T R
ASCD operation signal T R
ASCD OD cancel request signal T R
Front wiper request signal T R
Front wiper stop position signal R T
Rear window defogger switch signal T R
Rear window defogger control signal R R R T
Hood switch signal R T
Theft warning horn request signal T R
Horn chirp signal T R
Steering angle sensor signal T R
ABS warning lamp signalRT
VDC OFF indicator lamp signal R T
SLIP indicator lamp signalRT
Brake warning lamp signal R T
System setting signalTR R
RT T
A/T CHECK indicator lamp signal T RSignals ECM TCMDis-
play
unitBCMSteer-
ing
angle
sensorUnified
meter
and
A/C
amp.ABS
actua-
tor and
electric
unit
(con-
trol
unit)Driver
seat
control
unitIPDM
E/R