2004 INFINITI FX35 control

ACS-32
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Revision: 2004 November 2004 FX35/FX45
DATA MONITOR
Operation Procedure
1. Touch “DATA MONITOR” on the selection screenACS-30,
"CONSULT-II INSPECTION PROCEDURE" .
2. Touch any of “ECU INPUT SIGNALS”, “MAIN SIGNALS”, and
“SELECTION FROM MENU” on selection screen.
3. Touch “SETTING”.
4. Display the data monitor.
5. If necessary, touch “COPY” in turn, and print data.
Monitored Item
×: Applicable
PKIA8868E
Monitored Item [unit]MAIN SIG-
NALSECU
INPUT
SIGNALSSELEC-
TION
FROM
MENUDescription
VHCL SPEED SE
[km/h] or [mph]×××Indicates vehicle speed calculated from wheel speed sen-
sor signal.
SET VHCL SPD
[km/h] or [mph]××Indicates set vehicle speed memorized in ICC unit.
THRTL OPENING
[%]×××Indicates throttle angle calculated from signal voltage of
throttle position sensor.
ENGINE RPM
[rpm]××Indicates engine speed read by ICC unit via CAN commu-
nication (ECM transmits engine speed via CAN communi-
cation).
DISTANCE ADJ
[SHOR/MID/LONG]×××Indicates set distance memorized in ICC unit.
WIPER SW
[OFF/LOW/HIGH]××Indicates wiper [OFF/LOW/HIGH] status.
MAIN SW
[ON/OFF]×××Indicates [ON/OFF] status as judged from control switch
signal.
SET/COAST SW
[ON/OFF]×××Indicates [ON/OFF] status as judged from control switch
signal.
CANCEL SW
[ON/OFF]×××Indicates [ON/OFF] status as judged from control switch
signal.
RESUME/ACC SW
[ON/OFF]×××Indicates [ON/OFF] status as judged from control switch
signal.
CRUISE OPE
[ON/OFF]××Indicates whether controlling or not (ON means “control-
ling”).
BRAKE SW
[ON/OFF]×××Indicates [ON/OFF] status as judged from ICC brake
switch signal.
STOP LAMP SW
[ON/OFF]×××Indicates [ON/OFF] status as judged from stop lamp
switch signal.
RELEASE SW NO
[ON/OFF]
××Indicates [ON/OFF] status as judged from release switch
signal.
ON when brake is depressed.
OFF when brake is not depressed.
RELEASE SW NC
[ON/OFF]
××Indicates [ON/OFF] status as judged from release switch
signal.
OFF when brake is depressed.
ON when brake is not depressed.

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
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Revision: 2004 November 2004 FX35/FX45
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)

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-43
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Revision: 2004 November 2004 FX35/FX45
2. CHECK AT VEHICLE SPEED SENSOR
With CONSULT-II

With data monitor, check “VHCL SPD AT”operate normally. Refer to ACS-32, "DATA MONITOR" .
OK or NG
OK >> Replace ICC unit. Erase DTC and perform ICC system running test. Then perform self-diagnosis
of ICC system again.
NG >>

Check TCM.

After repair, erase DTC and perform ICC system running test. Then, perform self-diagnosis of
ICC system again.
DTC 43 ABS/TCS/VDC CIRCAKS006Z2
1. DIAGNOSIS CHECK 1
With CONSULT-II

Perform self-diagnosis. Is “CAN COMM CIRCUIT” indicated?
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 >> GO TO 2.
2. DIAGNOSIS CHECK 2
With CONSULT-II

Perform self-diagnosis of ABS actuator and electric unit (control unit). Is malfunction indicated?
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 45 BRAKE SW/STOP L SWAKS006Z3
1. CHECK CONNECTOR FOR ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector, and connect it securely again. Then erase DTC. After that, perform self-
diagnosis of ICC system again.
OK or NG
OK >>
Poor connector connection.

Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.) After repair, erase DTC, and per-
form ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> GO TO 2.
2. CHECK STOP LAMP SWITCH AND ICC BRAKE SWITCH
With CONSULT-II

With data monitor, check if “STOP LAMP SW” and “BRAKE SW” are operated normally. Refer to ACS-32,
"DATA MONITOR" .
OK or NG
OK >> Replace ICC unit. Erase DTC and perform ICC system running test. Then perform self-diagnosis
of ICC system again.
NG >>

BRAKE SW: GO TO 3.

STOP LAMP SW: GO TO 5.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-49
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Revision: 2004 November 2004 FX35/FX45
DTC 65 PRESSURE CONTROLAKS006Z8
1. OPERATION CHECK

Check foot brake pedal operates normally.
OK or NG
OK >> GO TO 2.
NG >>

Check brake circuit.

After repair, Erase DTC, and perform active test (BOOSTER SOL/V3) with CONSULT-II. Then
perform self-diagnosis of ICC system again.
2. CHECK BOOSTER SOLENOID

Check booster solenoid. Refer to ACS-65, "Booster Solenoid" .
OK or NG
OK >> GO TO 3.
NG >>

Solenoid malfunction.

Replace booster. Erase DTC and perform ICC system running test. Then perform self-diagno-
sis of ICC system again.
3. CHECK HARNESS BETWEEN SOLENOID/RELEASE SWITCH AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and brake booster solenoid/
release switch connector.
3. Check continuity between ICC unit harness connector M88 ter-
minal 10 (B/R), 12 (L/W) and brake booster solenoid/release
harness connector E54 terminal 4 (B), 6 (L).
OK or NG
OK >> Replace ICC unit. Erase DTC and perform ICC system
running test. Then perform self-diagnosis of ICC system
again.
NG >>

Repair harness between brake booster solenoid/release switch and ICC unit.

After repair, Erase DTC and perform ICC system running test. Then, perform self-diagnosis of
ICC system again.
DTC 74 LASER BEAM OFF CNTRAKS006Z9
1. DIAGNOSTIC CHECK
1. Adjust laser beam aiming. Then erase DTC, and perform ICC system ICC system running test.
2. After that, perform self-diagnosis of ICC system. Is DTC 74 LASER BEAM OFF CNTR 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 END10 - 4, 12 - 6 Continuity should exist.
SKIA6654E

ACS-56
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2004 November 2004 FX35/FX45
4. CHECK SHIFT POSITION SIGNAL
With CONSULT-II

With TCM diagnosis, check that shift operates normally. Refer to AT- 11 2 , "DTC P0705 PARK/NEUTRAL
POSITION SWITCH" .
OK or NG
OK >>
Check harness between park/neutral position switch and smart entrance control unit.

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

Perform TCM diagnosis.

After repair, erase DTC and perform ICC system running test. Then, perform self-diagnosis of
ICC system again.
DTC 97 AT CIRCUITAKS007IC
1. CHECK AT CIRCUIT
With CONSULT-II

With TCM diagnosis, check that shift operates normally. Refer to AT- 11 2 , "DTC P0705 PARK/NEUTRAL
POSITION SWITCH" .
OK or NG
OK >> Replace ICC unit. erase DTC and perform self-diagnosis of ICC system again.
NG >>

Perform TCM diagnosis.

After repair, erase DTC and perform self-diagnosis of ICC system again.
DTC 98 GEAR POSITIONAKS007ID
1. DIAGNOSTIC CHECK
With CONSULT-II

Is “DTC 43 ABS/TCS/VDC CIRC” or “DTC 41 VHCL SPEED SE CIRC” indicated in self-diagnosis display
item?
YES or NO
YES >> Repair or replace applicable item. Erase DTC and perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. CHECK VEHICLE SPEED SIGNAL
With CONSULT-II

With data monitor, check that “VHCL SPEED SE” is normal.
OK or NG
OK >> GO TO 3.
NG >> Replace ICC unit. Erase DTC and perform self-diagnosis of ICC system again.
3. CHECK SHIFT GEAR POSITION

Check that gear positions are correct in A/T.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.

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.

TROUBLE DIAGNOSIS FOR SYMPTOMS
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Revision: 2004 November 2004 FX35/FX45
TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Symptom ChartAKS006ZN
Symptoms Reference page
OperationON/OFF switch does not switch ON.Symptom 1
ACS-60
ON/OFF switch does not switch OFF.Symptom 1
ACS-60
Cruise does not function for setting (powering functions).Symptom 2
ACS-60
CANCEL switch does not function.Symptom 3
ACS-61
Resume does not function.Symptom 3
ACS-61
The set speed does not increase.Symptom 3
ACS-61
The set distance to the vehicle ahead cannot be changed.Symptom 3
ACS-61
The ICC is not cancelled when the gear is in other than D.Symptom 4
ACS-62
Display/ChimeThe ICC system display does not appear.Check combination meter.
Refer to DI-13, "
How to Pro-
ceed With Trouble Diagnosis"
Chime does not function.Symptom 5
ACS-62
Control Driving force is hunting.Symptom 6
ACS-63
Function to detect the vehicle
aheadThe system frequently cannot detect the vehicle ahead.Symptom 7
ACS-63
The distance to detect the vehicle ahead is short.Symptom 7
ACS-63
The system misidentifies a vehicle even though there is no
vehicle ahead.

Refer to ACS-12, "LASER
BEAM AIMING ADJUST-
MENT"

Refer to ACS-9, "ICC Sys-
tem Running Test"
The system misidentifies a vehicle in the next lane.

Refer to ACS-12, "LASER
BEAM AIMING ADJUST-
MENT"

Refer to ACS-9, "ICC Sys-
tem Running Test"
The system does not detect a vehicle at all.Symptom 8
ACS-63