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2. Disconnect ICC unit.
3. Check continuity between ICC unit harness connector and ICC
brake hold relay harness connec INFINITI FX35 2008 Service Manual
ACS-50
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TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
2. Disconnect ICC unit.
3. Check continuity between ICC unit harness connector and ICC
brake hold relay harness connec](/manual-img/42/57017/w960_57017-56.png)
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TROUBLE DIAGNOSIS FOR
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2. Disconnect ICC unit.
3. Check continuity between ICC unit harness connector and ICC
brake hold relay harness connector.
4. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 18.
NG >> 1. Repair harness between ICC unit and ICC brake hold relay. 2. Erase DTC and perform ICC system running test. Then, perform self-diagnosis of ICC system
again.
18.CHECK ICC BRAKE HOLD RELAY
1. Connect ICC unit connector and ICC brake hold relay.
2. Disconnect stop lamp switch connector.
3. Perform “Active Test” (“STOP LAMP”) with CONSULT-II I, and make sure that stop lamp is illuminated.
OK or NG
OK >> GO TO 19.
NG >> 1. Replace ICC brake hold relay. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
19.CHECK ICC UNIT STANDARD VOLTAGE
1. Connect stop lamp switch connector.
2. Perform “Active Test” (“STOP LAMP”: “STP LMP DRIVE ON”) with CONSULT-III, check voltage between ICC unit harness
connector and ground.
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. Replace stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 92 ECM CIRCUITINFOID:0000000001328839
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 92 ECM CIRCUIT” is indicated in self-diagnosis
item in the display.
ICC unit
connector Te r m i n a l
ICC brake hold
relay connector Terminal Continuity
M89 38 E14 7 Yes
SKIA6663E
ICC unit
connector Te r m i n a l
GroundContinuity
M89 38 No
ICC unit
connector Te r m i n a l
ConditionVoltage (Ap-
prox.)
(+) ( −)
M89 29 Ground During “Active Test” 0 V
SKIA1200E
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YES >> 1. Repair or replace applicable item. 2. Erase DTC and perfo INFINITI FX35 2008 Service Manual
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
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Is it indicated?
YES >> 1. Repair or replace applicable item. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS OF ECM
1. Perform self-diagnosis of ECM.
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC unit. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
DTC 96 NP RANGEINFOID:0000000001328840
1.CHECK CONNECTOR ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector, and connect them securely again.
3. Erase DTC and then 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 NP RANGE SWITCH SIGNAL
With “Data Monitor” of “ICC”, check that “NP RANGE SW” operates normally.
OK or NG
OK >> GO TO 5.
NG >> GO TO 3.
3.CHECK HARNESS BETWEEN ICC UNIT AND TCM
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and A/T assembly connector.
3. Check continuity between ICC unit harness connector and A/T assembly harness connector.
4. Check continuity between ICC unit harness connector and ground.
OK or NG
OK >> GO TO 4.
ICC unit
connector Te r m i n a lA/T assembly
connector Terminal Continuity
M88 7 F44 9 Yes
PKIB1447E
ICC unit
connector Te r m i n a l
Ground Continuity
M88 7 No
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NG >> 1. Repair harness between ICC unit and A/T assembly.
2. Erase DTC and perform ICC system running test. Then per INFINITI FX35 2008 Service Manual
ACS-52
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
NG >> 1. Repair harness between ICC unit and A/T assembly.
2. Erase DTC and perform ICC system running test. Then per](/manual-img/42/57017/w960_57017-58.png)
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NG >> 1. Repair harness between ICC unit and A/T assembly.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
4.CHECK TCM START SIGNAL CIRCUIT
Check TCM start signal. Refer to AT-99, "
Diagnosis Procedure".
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. Repair or replace damaged parts. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
5.CHECK SHIFT POSITION SIGNAL
With TCM diagnosis, check that shift operates normally. Refer to AT-103, "
Diagnosis Procedure".
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 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 97 AT CIRCUITINFOID:0000000001328841
1.CHECK AT CIRCUIT
With TCM diagnosis, check that shift operates normally. Refer to AT-103, "
Diagnosis Procedure".
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 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 98 GEAR POSITIONINFOID:0000000001328842
1.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Perform self-diagnosis of ICC system.
2. Check if “DTC 43 ABS/TCS/VDC CIRC” or “DTC 41 VHCL SPEED SE CIRC” other than “DTC 98 GEAR
POSITION” is indicated in self-diagnosis item in the 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 >> GO TO 2.
2.CHECK VEHICLE SPEED SIGNAL
With “Data Monitor” of “ICC”, check that “VHCL SPEED SE” is normal.
OK or NG
OK >> GO TO 3.
NG >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
3.CHECK SHIFT GEAR POSITION
Check that gear positions are correct in A/T.
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OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.CHECK TCM GEAR POSITION SIGNAL
With “Dat INFINITI FX35 2008 Service Manual
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OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.CHECK TCM GEAR POSITION SIGNAL
With “Dat](/manual-img/42/57017/w960_57017-59.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
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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.
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2. Check if “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” item other then “DTC 103 LASER
SENSOR FAIL INFINITI FX35 2008 Service Manual
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2. Check if “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” item other then “DTC 103 LASER
SENSOR FAIL](/manual-img/42/57017/w960_57017-60.png)
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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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Symptom ChartINFOID:0000000001328848
Symptom 1 MAIN Switch Does Not INFINITI FX35 2008 Service Manual
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Symptom ChartINFOID:0000000001328848
Symptom 1 MAIN Switch Does Not](/manual-img/42/57017/w960_57017-61.png)
TROUBLE DIAGNOSIS FOR SYMPTOMSACS-55
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Symptom ChartINFOID:0000000001328848
Symptom 1 MAIN Switch Does Not Turn ON*1, MAIN Switch Does Not Turn OFF*2
INFOID:0000000001328849
NOTE:
*1: The ICC system display in the combination meter does not illuminate.
*2: The ICC system display in the combination meter remains powered.
1.CHECK MAIN SWITCH
With “Data Monitor” of “ICC”, check that MAIN switch operates normally.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2.CHECK CONNECTOR ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector.
3. Check connector housing for disconnected, loose, bent, and collapsed terminals.
Symptoms Reference page
Operation MAIN switch does not switch ON.
Symptom 1
ACS-55
MAIN switch does not switch OFF. Symptom 1
ACS-55
Cruise does not function for setting (powering functions). Symptom 2
ACS-56
CANCEL switch does not function. Symptom 3
ACS-56
Resume does not function. Symptom 3
ACS-56
Set speed does not increase. Symptom 3
ACS-56
Set distance to the vehicle ahead cannot be changed. Symptom 3
ACS-56
ICC is not cancelled when the A/T selector lever is in other
than “D” and “M” position. Symptom 4
ACS-57
Display/Chime ICC system display does not appear.
Check combination meter. Refer to
DI-15, "
Trou-
ble Diagnosis".
Chime does not function. Symptom 5
ACS-57
Control Driving force is hunting. Symptom 6
ACS-58
Function to detect
the vehicle ahead System frequently cannot detect the vehicle ahead.
Symptom 7
ACS-58
Distance to detect the vehicle ahead is short. Symptom 7
ACS-58
System misidentifies a vehicle even though there is no vehi-
cle ahead. Refer to
ACS-14.
Refer to ACS-11, "
ICC System Running Test".
System misidentifies a vehicle in the next lane. Refer to
ACS-14
.
Refer to ACS-11, "
ICC System Running Test".
System does not detect a vehicle at all. Symptom 8
ACS-59
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OK or NG
OK >> GO TO 3.
NG >> Poor connector connection
1. Repair ICC unit connector.
2. Erase DTC and perform ICC system running te INFINITI FX35 2008 Service Manual
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OK or NG
OK >> GO TO 3.
NG >> Poor connector connection
1. Repair ICC unit connector.
2. Erase DTC and perform ICC system running te](/manual-img/42/57017/w960_57017-62.png)
ACS-56
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OK or NG
OK >> GO TO 3.
NG >> Poor connector connection
1. Repair ICC unit connector.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
3.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Perform self-diagnosis of ICC system.
2. Check if “DTC 20 CAN COMM CIRCUIT” is indicated.
Is it indicated?
YES >> Refer to ACS-36, "DTC 20 CAN COMM CIRCUIT".
NO >> Refer to ACS-40, "
DTC 46 OPERATION SW CIRC".
Symptom 2 ICC System Cannot Be Set (MAIN Switch Turns ON/OFF)INFOID:0000000001328850
The ICC cannot be set in the following cases.
When the vehicle speed is not in range of approx . 40 km/h (25 MPH) to 144 km/h (90 MPH).
When the A/T selector lever is in gears other than “D” and “M” position.
While the brake is in operation.
1.CHECK CAUSE OF AUTOMATIC CANCELLATION
With “CAUSE OF AUTO-CANCEL” in “Work Support” , check if any cause of cancellation exists.
OK or NG
OK >> Cancel with appropriate cause, and go to specified diagnosis. “OPE SW VOLT CIRC”: Refer to ACS-40, "
DTC 46 OPERATION SW CIRC".
“VHCL SPD UNMATCH”: Refer to ACS-37, "
DTC 41 VHCL SPEED SE CIRC".
“IGN LOW VOLT”: Refer to ACS-37, "
DTC 31 POWER SUPPLY CIR, DTC 34 POWER SUPPLY
CIR 2".
NG >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
Perform self-diagnosis of ICC syste m to check for malfunctioning items.
OK or NG
OK >> GO TO 3.
NG >> 1. Repair or replace applicable item. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
3.CHECK SWITCHES AND VE HICLE SPEED SIGNAL
With “Data Monitor” of “ICC”, check that s witches and vehicle speed signal operate normally.
VHCL SPEED SE
D RANGE SW
BRAKE SW
SET/COAST SW
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and Perform ICC system running test. Then perform self-diagnosis of ICC systemagain.
NG-1 >> “VHCL SPEED SE” NG: Refer to ACS-37, "
DTC 41 VHCL SPEED SE CIRC".
NG-2 >> “D RANGE SW” NG: Refer to ACS-57, "
Symptom 4 ICC System Is Not Cancelled When the A/T
Selector Lever Is in Other Than "D" and "M" Position".
NG-3 >> “BRAKE SW” NG: Refer to ACS-38, "
DTC 45 BRAKE SW/STOP L SW".
NG-4 >> “SET/COAST SW” NG: Refer to ACS-40, "
DTC 46 OPERATION SW CIRC".
Symptom 3 ICC System Cannot Be Operated by CANCEL Switch, RESUME/ACCEL-
ERATE Switch or DISTANCE Switch
INFOID:0000000001328851
RESUME does not function in the following cases.
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When MAIN switch is turned off once.
When the vehicle speed is less than 40 km/h (25 MPH).
1.C INFINITI FX35 2008 Service Manual
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When MAIN switch is turned off once.
When the vehicle speed is less than 40 km/h (25 MPH).
1.C](/manual-img/42/57017/w960_57017-63.png)
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When MAIN switch is turned off once.
When the vehicle speed is less than 40 km/h (25 MPH).
1.CHECK SWITCHES
With “Data Monitor” of “ICC”, check that switches operate normally.
“RESUME/ACC SW”
“CANCEL SW”
“DISTANCE ADJ”
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 >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Perform self-diagnosis of ICC system.
2. Check if “DTC 20 CAN COMM CIRCUIT” is indicated.
Is it indicated?
YES >> Refer to ACS-36, "DTC 20 CAN COMM CIRCUIT".
NO >> Refer to ACS-40, "
DTC 46 OPERATION SW CIRC".
Symptom 4 ICC System Is Not Cancelled Wh en the A/T Selector Lever Is in Other
Than "D" and "M" Position
INFOID:0000000001328852
1.CHECK D RANGE SWITCH
With “Data Monitor” of “ICC”, check that “D RANGE SW” operates normally.
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 >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Perform self-diagnosis of ICC system.
2. Check if “DTC 20 CAN COMM CIRCUIT” is indicated.
Is it indicated?
YES >> Refer to ACS-36, "DTC 20 CAN COMM CIRCUIT".
NO >> GO TO 3.
3.CHECK D RANGE SWITCH
With TCM “Data Monitor” of “ICC”, check that “D” position switch operates normally.
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. Repair or replace applicable item. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
Symptom 5 Chime Does Not SoundINFOID:0000000001328853
The chime may not sound occasionally in the following cases even if the distance from the vehicle ahead is
short:
When the speed difference from that of the vehicle ahead is small (both vehicles driving at similar speed).
When the vehicle ahead drives at faster s peed (the actual distance is increasing).
When depressing the accelerator.
Chime does not sound when the vehicle is not driving.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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