Infiniti M35/M45 Y50. Manual — part 16
![](/vehicles/zatt/cen/houeebante/meea.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-57
[ICC]
C
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ACS
DTC 15 GEAR POSITION
NKS004D9
1.
PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1.
Perform self-diagnosis.
2.
Check if “VHCL SPEED SE CIRC [C1A03]” (DTC 3), “ABS/TCS/VDC CIRC [C1A04]” (DTC 4) or “CAN
COMM CIRCUIT [U1000]” (DTC100) other than “GEAR POSITION [C1A15]” (DTC 15) is indicated in self-
diagnosis item in the display.
Is any indicated?
YES
>> 1. Repair or replace applicable item. Refer to
ACS-40, "Diagnostic Trouble Code (DTC) Chart"
.
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 CONSULT-II
With “ICC” “DATA MONITOR”, check if “VHCL SPEED SE” operates normally.
OK or NG
OK
>> GO TO 3.
NG
>> 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.
3.
CHECK SHIFT GEAR POSITION
Check if gear positions are correct in A/T.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 4.
4.
CHECK TCM GEAR POSITION SIGNAL
With CONSULT-II
With “A/T” “DATA MONITOR”, check if gear positions are correct.
OK or NG
OK
>> 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.
NG
>> 1. Perform “A/T” self-diagnosis. Refer to
AT-90, "CONSULT-II Function (A/T)"
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 REVOLUTION
With CONSULT-II
With TCM diagnosis, check if turbine revolution sensor is normal. Refer to
OK or NG
OK
>> 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.
NG
>> 1. Perform “A/T” self-diagnosis. Refer to
AT-90, "CONSULT-II Function (A/T)"
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
![](/vehicles/zatt/cen/houeebante/lohen.png)
ACS-58
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
DTC 16 RADAR STAIN
NKS004DA
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 INCMP
NKS004DB
1.
ADJUST LASER BEAM AIMING
1.
Adjust laser beam aiming. Refer to
ACS-15, "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 TEMP
NKS004DC
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.
![](/vehicles/zatt/cen/houeebante/yoresthe.png)
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-59
[ICC]
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ACS
DTC 24 NP RANGE
NKS004DD
1.
PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1.
Perform self-diagnosis.
2.
Check if “CAN COMM CIRCUIT [U1000]” (DTC100) other than “NP RANGE [C1A24]” (DTC 24) is indi-
cated in self-diagnosis item in the display.
Is it indicated?
YES
>> 1. CAN communication inspection. Refer to
ACS-61, "DTC 100 CAN COMM CIRCUIT"
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO
>> GO TO 2.
2.
CHECK TCM DATA MONITOR
With CONSULT-II
With “A/T” “DATA MONITOR” check if gear positions are correct.
OK or NG
OK
>> 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.
NG
>> 1. Perform “A/T” self-diagnosis. Refer to
AT-90, "CONSULT-II Function (A/T)"
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
DTC 25 SHIFT RANGE IND
NKS004DE
1.
PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1.
Perform self-diagnosis.
2.
Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “SHIFT RANGE IND [C1A25]” (DTC 25) is
indicated in self-diagnosis item in the display.
Is it indicated?
YES
>> 1. CAN communication inspection. Refer to
ACS-61, "DTC 100 CAN COMM CIRCUIT"
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO
>> GO TO 2.
2.
CHECK TCM DATA MONITOR
With CONSULT-II
With “A/T” “DATA MONITOR”, check if gear positions are correct.
OK or NG
OK
>> 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.
NG
>> 1. Perform “A/T” self-diagnosis. Refer to
AT-90, "CONSULT-II Function (A/T)"
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
![](/vehicles/zatt/cen/houeebante/umyome.png)
ACS-60
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
DTC 26 ECD MODE MALF
NKS004DF
1.
PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1.
Perform self-diagnosis.
2.
Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “ECD MODE MALF [C1A26]” (DTC 26) is
indicated in self-diagnosis item in the display.
Is it indicated?
YES
>> 1. CAN communication inspection. Refer to
ACS-61, "DTC 100 CAN COMM CIRCUIT"
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO
>> GO TO 2.
2.
PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-II
1.
Perform “ABS” self-diagnosis. Refer to
BRC-23, "CONSULT-II Functions (ABS)"
.
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 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 27 ECD PWR SUPLY CIR
NKS004DG
1.
PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1.
Perform self-diagnosis.
2.
Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “ECD PWR SUPLY CIR [C1A27]” (DTC
27) is indicated in self-diagnosis item in the display.
Is it indicated?
YES
>> 1. CAN communication inspection. Refer to
ACS-61, "DTC 100 CAN COMM CIRCUIT"
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO
>> GO TO 2.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT
With CONSULT-II
Check ABS actuator and electric unit (control unit) power supply circuit. Refer to
Electric Unit (Control Unit) Power Supply and Ground Circuit"
OK or NG
OK
>> 1. Perform “ABS” self-diagnosis. Refer to
BRC-23, "CONSULT-II Functions (ABS)"
.
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG
>> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
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