2008 INFINITI FX35 sensor

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-35
< SERVICE INFORMATION > [ICC]
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Diagnostic Trouble Code (DTC) ChartINFOID:0000000001328825
×: Applicable
DTC
No. CONSULT-III
screen terms ICC
system
warning lamp Fail-safe
Malfunctions detected where... Refer-
ence
page
Ve h i c l e -
to-
vehicle
distance control mode Conven-
tional
(fixed
speed) cruise
control mode Brake as-
sist (with
preview
function)
11 CONTROL UNIT ××××  ICC unit internal malfunctionACS-36
20 CAN COMM CIRCUIT ××××  ICC unit detected CAN communi-
cation malfunction. ACS-36
31 POWER SUPPLY CIR
××××  ICC unit power supply voltage is
excessively low (less than 8 V). ACS-37
34 POWER SUPPLY CIR2
××××  ICC unit power supply voltage is
excessively high (more than 19 V). ACS-37
41 VHCL SPEED SE CIRC
××××  Wheel sensor malfunction.
 ABS actuator and electric unit
(control unit) malfunction
 AT vehicle speed sensor malfunc- tion
TCM malfunction ACS-37
43 ABS/TCS/VDC CIRC
××××  VDC/TCS/ABS system malfunc-
tion ACS-38
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-38
46 OPERATION SW CIRC
×××  ICC steering switch harness or spi-
ral cable is open or shorted.
 ICC steering switch malfunction ACS-40
61 PRESS SEN CIRCUIT
×× ×  Brake pressure sensor harness is
open or shorted.
 Brake pressure sensor malfunction
 Brake pressure sensor input circuit malfunction ACS-41
62
BOOSTER SOL/V
CIRCUIT ×× ×  Solenoid harness is open or short-
ed.
 Solenoid is open.
 Solenoid drive circuit malfunction ACS-42
63 RELEASE SW CIRCUIT
××××  Release switch harness is open or
shorted.
 Release switch malfunction
 Release switch input circuit mal- function ACS-43
65 PRESSURE CONTROL
×× ×  Booster malfunctionACS-45
74 LASER BEAM OFF CNTR ×× ×  Laser beam of ICC sensor is off the
aiming point. ACS-45
90 STOP LAMP RLY FIX
×× ×  Normally open terminal of stop
lamp relay is stuck. ACS-46
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

ACS-36
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
DTC 11 CONTROL UNIT
INFOID:0000000001328826
1.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Perform self-diagnosis of ICC system.
2. Check if any item other than “DTC 11 CONTRO L UNIT” is indicated on self-diagnosis display.
Is any indicated?
YES >> 1. Repair or replace applicable item. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 20 CAN COMM CIRCUITINFOID:0000000001328827
1.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Turn ignition switch ON and wait for 2 second or more.
2. Check self-diagnosis of ICC system.
Is
“CAN COMM CIRCUIT” displayed?
YES >> Refer to LAN-14, "Trouble Diagnosis Flow Chart".
NO >> Refer to GI-35, "
CONSULT-III/GST Data Link Connector (DLC) Circuit".
92 ECM CIRCUIT ××××  ECM malfunction
 Accelerator pedal position sensor
malfunction
 ICC unit malfunction ACS-50
96 NP RANGE
×××  Park/neutral position switch har-
ness is open or shorted.
 Park/neutral position switch mal- function.
 TCM malfunction ACS-51
97 AT CIRCUIT
×××  TCM malfunctionACS-52
98 GEAR POSITION ×××  TCM malfunction
 AT turbine revolution sensor mal-
function
 AT vehicle speed sensor malfunc-
tion ACS-52
102 RADAR STAIN
×× ×  ICC sensor body window has con-
tamination. ACS-53
103 LASER SENSOR FAIL
×× ×  ICC sensor internal malfunctionACS-53
104 LASER AIMING INCMP ×× ×  Laser beam aiming of ICC sensor
is not adjusted. ACS-54
107 LASER COMM FAIL
×× ×  CAN data received by ICC sensor
is strange (from ICC unit, combina-
tion meter or ECM). ACS-54
109 LASER HIGH TEMP
×× ×  Temperature around ICC sensor is
excessively high. ACS-54
DTC
No. CONSULT-III
screen terms ICC
system
warning lamp Fail-safe
Malfunctions detected where... Refer-
ence
page
Vehicle-
to-
vehicle
distance control mode Conven-
tional
(fixed
speed) cruise
control mode Brake as-
sist (with
preview
function)
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

ACS-38
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 2.
2.CHECK AT VEHICLE SPEED SENSOR
With “Data Monitor” of “ICC”, check “VHCL SPD AT” operates normally.
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG >> 1. Perform self-diagnosis of TCM. 2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
DTC 43 ABS/TCS/VDC CIRCINFOID:0000000001328830
1.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Perform self-diagnosis of ICC system.
2. Check if “DTC 20 CAN COMM CIRCUIT” other than “D TC 43 ABS/TCS/VDC CIRC” is indicated in self-
diagnosis item in the display.
Is it indicated?
YES >> 1. Repair or replace applicable item. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
1. Perform self-diagnosis of ABS actuator and electric unit (control unit). Refer to BRC-26, "
Self-Diagnosis".
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 45 BRAKE SW/STOP L SWINFOID:0000000001328831
1.CHECK CONNECTOR FOR ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector, and connect it securely again.
3. Erase DTC and perform ICC system running test. T hen perform self-diagnosis of ICC system again.
Is malfunction indicated?
YES >> GO TO 2.
NO >> Poor connector connection 1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-minals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
2.CHECK STOP LAMP SWITCH AND ICC BRAKE SWITCH
With “Data Monitor” of “ICC”, check if “STO P LAMP SW” and “BRAKE SW” are operated normally.
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG-1 >> “BRAKE SW” NG: GO TO 3.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-41
< SERVICE INFORMATION > [ICC]
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4. Check continuity between spiral cable harness connector and ground.
OK or NG
OK >> GO TO 4.
NG >> 1. Repair harness between ECM and spiral cable. 2. Erase DTC and perform I CC system running test.
Then perform self-diagnosis of ICC system again.
4.CHECK SPIRAL CABLE
Check continuity between spiral cable connector terminals.
OK or NG
OK >> 1. Perform self-diagnosis of ECM. 2. After repairing or replacing applicable item, eraseDTC and perform ICC syst em running test. Then
perform self-diagnosis of ICC system again.
NG >> 1. Replace spiral cable. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
DTC 61 PRESS SEN CIRCUITINFOID:0000000001328833
1.CHECK CONNECTOR BRAKE PRES SURE SENSOR AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect brake pressure sensor connector and I CC unit connector, and connect them securely again.
3. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
Is malfunction indicated?
YES >> GO TO 2.
NO >> Poor connector connection 1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
2.CHECK HARNESS BETWEEN BRAKE PR ESSURE SENSOR AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and brake pressure sensor con- nector.
3. Check continuity between brake pressure sensor harness con- nector and ICC unit harness connector.
Spiral cable
connector Te r m i n a l
Ground Continuity
M15 33
No
34
PKIB4165E
Spiral cable
connector Te r m i n a lSpiral cable
connector Terminal Continuity
M15 33
M203 14
Ye s
34 15
PKIB4166E
Brake pressure
sensor connector Te r m i n a lICC unit
connector Terminal Continuity
E142 1
M88 24
Ye s
217
38
SKIA6652E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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ACS-42
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
4. Check continuity between ICC unit harness connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> 1. Repair harness between brake pressure sensor and ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
3.CHECK POWER SUPPLY CIRCUIT FOR BRAKE PRESSURE SENSOR
1. Connect ICC unit connector.
2. Turn ignition switch ON.
3. Check voltage between ICC unit harness connector terminals.
OK or NG
OK >> 1. Replace brake pressure sensor. Refer to BR-12,
"Removal and Installation".
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 62 BOOSTER SOL/V CIRCUITINFOID:0000000001328834
1.CHECK SOLENOID/RELEASE SWIT CH AND ICC UNIT CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect brake booster connector and ICC unit connector, and connect them securely again.
3. Erase DTC and perform ICC system running test. T hen perform self-diagnosis of ICC system again.
Is malfunction indicated?
YES >> GO TO 2.
NO >> Poor connector connection 1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
2.CHECK HARNESS BETWEEN SOLENO ID/RELEASE SWITCH AND ICC UNIT
ICC unit connector Terminal
GroundContinuity
M88 8
No
17
24
PKIB1444E
ICC unit connector Te r m i n a l
Voltage (Approx.)
(+) ( −)
M88 8 24 5 V
SKIA6653E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-45
< SERVICE INFORMATION > [ICC]
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DTC 65 PRESSURE CONTROLINFOID:0000000001328836
1.OPERATION CHECK
Check foot brake pedal operates normally.
OK or NG
OK >> GO TO 2.
NG >> 1. Check brake circuit. 2. After repairing, erase DTC and perform active test (BOOSTER SOL/V3) with CONSULT-III.
Then perform self-diagnosis of ICC system again.
2.CHECK BOOSTER SOLENOID
Check booster solenoid. Refer to ACS-63, "
Booster Solenoid".
OK or NG
OK >> GO TO 3.
NG >> Booster solenoid malfunction 1. Replace brake booster.
2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
3.CHECK HARNESS BETWEEN ICC UNIT AND BRAKE BOOSTER
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and brake booster connector.
3. Check continuity between ICC unit harness connector (A) and brake booster harness connector (B).
4. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform I CC system running test.
Then perform self-diagnosis of ICC system again.
NG >> 1. Repair harness between brake booster and ICC unit.
2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
DTC 74 LASER BEAM OFF CNTRINFOID:0000000001328837
1.DIAGNOSTIC CHECK
1. Adjust laser beam aiming. Then erase DT C, and perform ICC system running test.
2. Perform self-diagnosis of ICC system.
3. Check if “DTC 74 LASER BEAM OFF CNTR” is indicated.
Is it indicated?
YES >> 1. Replace ICC sensor, and adjust laser beam aiming.
AB
Continuity
ICC unit
connector Te r m i n a l
Brake booster con-
nector Terminal
M88 10
E54 4
Ye s
12 6
PKIC5179E
ICC unit
connector Te r m i n a l
GroundContinuity
M88 10
No
12
PKIB4148E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-53
< SERVICE INFORMATION > [ICC]
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OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.CHECK TCM GEAR POSITION SIGNAL
With “Data Monitor” of “TCM”, chec k that gear positions are correct.
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
NG >> 1. Perform TCM self-diagnosis. 2. After repairing or replacing applicable item , erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
5.CHECK TCM TURBINE ROTATION
With TCM diagnosis, check that turbine rpm is normal. Refer to AT-106, "
Diagnosis Procedure".
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
NG >> 1. Perform TCM self-diagnosis. 2. After repairing or replacing applicable item , erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
DTC 102 RADAR STAININFOID:0000000001328843
1.VISUAL INSPECTION 1
Check that there is no contamination and fo reign material on ICC sensor body window.
OK or NG
OK >> GO TO 2.
NG >> 1. If any, remove them. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
2.VISUAL INSPECTION 2
Check ICC sensor body window for cracks.
OK or NG
OK >> GO TO 3.
NG >> 1. Replace ICC sensor, and adjust laser beam aiming. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
3.ASKING COMPLAINTS
1. Ask if there is any trace of contamination or foreign material on ICC sensor.
2. Ask if vehicle was driven in snow or ICC sensor was frosted.
3. Ask if ICC sensor was fogged temporarily. (Fr ont window glass may have also tended to be fogged.)
Is there any symptom?
YES >> Explain difference in displays between cont amination detection result and current indication to
customer, and tell them “This is not malfunction”.
NO >> 1. Replace ICC sensor, and adjust laser beam aiming. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
DTC 103 LASER SENSOR FAILINFOID:0000000001328844
1.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Perform self-diagnosis of ICC system.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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ACS-54
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
2. Check if “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” item other then “DTC 103 LASER
SENSOR FAIL” is indicated in self-diagnosis item in the display.
Is any indicated?
YES >> Go to applicable item inspection. Refer to ACS-36, "DTC 11 CONTROL UNIT", and ACS-36,
"DTC 20 CAN COMM CIRCUIT".
NO >> 1. Replace ICC sensor, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 104 LASER AIMING INCMPINFOID:0000000001328845
1.CHECK DIAGNOSIS
1. Adjust laser beam aiming. Erase DTC and perform ICC system running test.
2. After that, perform self-diagnosis of ICC system.
3. Check if “DTC 104 LASER AIMING INCMP” is indicated.
Is it indicated?
YES >> 1. Replace ICC sensor, 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 107 LASER COMM FAILINFOID:0000000001328846
1.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Perform self-diagnosis of ICC system.
2. Check if “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” item other than “DTC 107 LASER
COMM FAIL” is indicated in the se lf-diagnosis item in the display.
Is any indicated?
YES >> Go to applicable item inspection. Refer to ACS-36, "DTC 11 CONTROL UNIT", and ACS-36,
"DTC 20 CAN COMM CIRCUIT".
NO >> 1. Replace ICC sensor, and adjust laser beam aiming. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 109 LASER HIGH TEMPINFOID:0000000001328847
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, and adjust laser beam aiming. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
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