2006 INFINITI QX56 display

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSACS-49
[ICC]
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Revision: November 2009 2006 QX56
DTC 98 GEAR POSITIONEKS00BMD
1. DIAGNOSTIC CHECK
With CONSULT-II
Is “DTC 43 VDC/TCS/ABS CIRC ” or “DTC 41 VHCL SPEED SE CIRC ” indicated in self-diagnosis display
item?
YES or NO
YES >> Repair or replace as necessary. 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. Refer to ACS-59, "
ICC Unit" . Erase DTC and perform self-diagnosis of ICC
system again.
3. CHECK GEAR SHIFT POSITION
Check that 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 TCM data monitor on CONSULT-II, check that gear positions are correct.
OK or NG
OK >> Replace ICC unit. Refer to ACS-59, "ICC Unit" . Erase DTC and perform self-diagnosis of ICC
system again.
NG >>

Perform TCM diagnosis.

Erase DTC and perform self-diagnosis of ICC system again.
5. CHECK TCM TURBINE ROTATION
With CONSULT-II
With TCM diagnosis, check that turbine rpm is normal. Refer to AT- 1 0 9 , "
DTC P0717 TURBINE REVOLU-
TION SENSOR" .
OK or NG
OK >> Replace ICC unit. Refer to ACS-59, "ICC Unit" . Erase DTC and perform self-diagnosis of ICC
system again.
NG >>

Perform TCM diagnosis.

Erase DTC and perform self-diagnosis of ICC system again.
DTC 102 LASER STAINEKS00BME
1. VISUAL INSPECTION (1)
Check that there is no contamination and foreign material on ICC sensor body window.
OK or NG
OK >> GO TO 2.
NG >>

Clean ICC sensor.

Erase DTC and perform ICC system running test. Refer to ACS-9, "ICC System Running Test"
. Then perform self-diagnosis of ICC system again.

ACS-50
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: November 20092006 QX56
2. VISUAL INSPECTION (2)
Check ICC sensor body window for cracks.
OK or NG
OK >> GO TO 3.
NG >>

Replace ICC sensor and adjust laser beam. Refer to ACS-12, "LASER BEAM AIMING
ADJUSTMENT" .

Erase DTC and perform ICC system running test. Refer to ACS-9, "ICC System Running Test"
. Then perform self-diagnosis of ICC system again.
3. ASK CUSTOMER FOR DRIVING CONDITIONS
1. Is there any trace of contamination or foreign material on ICC sensor?
2. Is there any possibility that vehicle was driven in snow or ICC sensor was frosted?
3. Is there any possibility that ICC sensor was fogged temporarily? (Front window glass may have also been fogged.)
Ye s o r N o
Yes >> Explain system operation and parameters to customer. System may be operating normally.
No >>

Replace ICC sensor and adjust laser beam aiming. Refer to ACS-59, "ICC Sensor" .

Erase DTC and perform ICC system running test. Refer to ACS-9, "ICC System Running Test"
. Then perform self-diagnosis of ICC system again.
DTC 103 LASER SENSOR FAILEKS00BMF
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-37, "DTC 11 CONTROL UNIT" , and ACS-38,
"DTC 20 CAN COMM CIRCUIT" .
NO >>

Replace ICC sensor and adjust laser beam aiming. Refer to ACS-59, "ICC Sensor" .

Erase DTC and perform ICC system running test. Refer to ACS-9, "ICC System Running Test"
. Then perform self-diagnosis of ICC system again.
DTC 104 LASER AIMING INCMPEKS00BMG
1. DIAGNOSTIC CHECK
1. Adjust laser beam aiming. Refer to ACS-12, "
LASER BEAM AIMING ADJUSTMENT" . Erase DTC and
perform ICC system running test. Refer to ACS-9, "
ICC System Running Test" .
2. Perform self-diagnosis of ICC system. Is “DTC 104 LASER AIMING INCMP” indicated?
CAUTION:
Ensure that laser beam aiming apparatus is set up accurately.
YES or NO
YES >>
Replace ICC sensor and adjust laser beam aiming. Refer to ACS-59, "ICC Sensor" .

Erase DTC and perform ICC system running test. Refer to ACS-9, "ICC System Running Test"
. Then perform self-diagnosis of ICC system again.
NO >> Inspection end.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSACS-51
[ICC]
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Revision: November 2009 2006 QX56
DTC 107 LASER COMM FAILEKS00BMH
1. DIAGNOSTIC CHECK
Is “DTC 11 CONTROL UNIT ” or “DTC 20 CAN COMM CIRCUIT ” indicated in the self-diagnosis display item?
YES or NO
YES >> GO TO applicable item inspection. Refer to ACS-37, "DTC 11 CONTROL UNIT" , or ACS-38,
"DTC 20 CAN COMM CIRCUIT" .
NO >>

Replace ICC sensor and adjust laser beam aiming. Refer to ACS-59, "ICC Sensor" .

Erase DTC and perform ICC system running test. Refer to ACS-9, "ICC System Running Test"
. Then perform self-diagnosis of ICC system again.
DTC 109 LASER HIGH TEMPEKS00BMI
1. CHECK SYMPTOM
Is cooling system malfunctioning?
YES or NO
YES >>
Repair cooling system.

Erase DTC and perform ICC system running test. Refer to ACS-9, "ICC System Running Test"
. Then perform self-diagnosis of ICC system again.
NO >>

Replace ICC sensor and adjust laser beam aiming. Refer to ACS-59, "ICC Sensor" .

Erase DTC, then perform ICC system running test. Refer to ACS-9, "ICC System Running Test"
. Then perform self-diagnosis of ICC system again.

ACS-52
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: November 20092006 QX56
TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Symptom ChartEKS00BMJ
SymptomsReference page
Operation ON/OFF switch does not switch ON.
Symptom 1
ACS-53
ON/OFF switch does not switch OFF. Symptom 1
ACS-53
Cruise does not function for setting (powering functions). Symptom 2
ACS-53
CANCEL switch does not function. Symptom 3
ACS-54
RESUME does not function. Symptom 3
ACS-54
The set speed does not increase. Symptom 3
ACS-54
The set distance to the vehicle ahead cannot be changed. Symptom 3
ACS-54
The ICC is not cancelled when the gear is in "N". Symptom 4
ACS-55
Display/Chime The ICC system display does not appear.
Check combination meter. Refer to
DI-17, "
How to Proceed With Trou-
ble Diagnosis"
Chime does not function. Symptom 5
ACS-55
Control Driving force is hunting. Symptom 6
ACS-56
Function to detect the vehicle
ahead The system frequently cannot detect the vehicle ahead.
Symptom 7
ACS-56
The distance to detect the vehicle ahead is short. Symptom 7
ACS-56
The system misidentifies a vehicle even though there is no
vehicle ahead.

Refer to ACS-12, "LASER
BEAM AIMING ADJUSTMENT"

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

Refer to ACS-12, "LASER
BEAM AIMING ADJUSTMENT"

Refer to ACS-9, "ICC System
Running Test"
The system does not detect a vehicle at all. Symptom 8
ACS-56

TROUBLE DIAGNOSIS FOR SYMPTOMSACS-53
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Revision: November 2009 2006 QX56
Symptom 1: ON/OFF Switch Does Not Switch ON*1 , ON/OFF Switch Does Not
Switch OFF
*2EKS00BMK
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 ON/OFF SWITCH
With CONSULT-II

With "DATA MONITOR" on the CONSULT-II, check that ON/OFF switch operates normally.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK ICC UNIT CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect ICC unit harness connectors.
3. Check connector housing for disconnected, loose, bent, and collapsed terminals.
OK or NG
OK >> GO TO 3.
NG >>

Poor connector connection.

Repair ICC unit connector. Erase DTC and perform ICC system running test. Refer to ACS-9,
"ICC System Running Test" . Then perform self-diagnosis of ICC system again.
3. DIAGNOSIS CHECK
With CONSULT-II

Perform self-diagnosis with CONSULT-II. Is “CAN COMM CIRCUIT” indicated?
YES or NO
YES >> Refer to ACS-38, "DTC 20 CAN COMM CIRCUIT" .
NO >> Refer to ACS-41, "
DTC 46 OPERATION SW CIRC" .
Symptom 2: The ICC System Cannot Be Set (ON/OFF Switch Turns On/Off)EKS00BML
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 (89 MPH).

When the selector lever is in "N".

While the brake is in operation.

When the windshield wipers are operating.
1. CHECK CAUSE OF AUTOMATIC CANCELLATION
With CONSULT-II
1. With “CAUSE OF AUTO-CANCEL ” in "WORK SUPPORT" on CONSULT-II, check if any cause of cancel-
lation exists.
OK or NG
OK >>
Cancel with appropriate cause.

For causes A, B, or C, go to specified diagnosis.
A: “OPE SW VOLT CIRC ” : Refer to ACS-41, "
DTC 46 OPERATION SW CIRC" .
B: “VHCL SPD UNMATCH ”: Refer to ACS-39, "
DTC 41 VHCL SPEED SE CIRC" .
C: “IGN LOW VOLT ” : Refer to ACS-38, "
DTC 31 POWER SUPPLY CIR1, DTC 34
POWER SUPPLY CIR2" .
NG >> GO TO 2.

ACS-56
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: November 20092006 QX56
2. CAN COMMUNICATION INSPECTION
With CONSULT-II
1. With CONSULT-II self-diagnosis, check “CAN COMM CIRCUIT”.
OK or NG
OK >> Refer to ACS-38, "DTC 20 CAN COMM CIRCUIT" .
NG >> Replace combination meter. Refer to IP-13, "
COMBINATION METER" . Erase DTC and perform
ICC system running test. Refer to ACS-9, "
ICC System Running Test" . Then perform self-diagno-
sis of ICC system again.
Symptom 6: Driving Force Is HuntingEKS00BMP
1. CHECK ECM
1. Perform self-diagnosis of ECM.
OK or NG
OK >> Refer to ACS-56, "Symptom 7: The ICC System Frequently Cannot Detect the Vehicle Ahead/The
Detection Zone is Short" .
NG >> Repair as necessary. Erase DTC and perform ICC system running test. Refer to ACS-9, "
ICC
System Running Test" . Then perform self-diagnosis of ICC system again.
Symptom 7: The ICC System Frequently Cannot Detect the Vehicle Ahead/The
Detection Zone is Short
EKS00BMQ
The detection function may become disrupted in the following cases:

When the reflector of the vehicle ahead is small or not clean enough to reflect the laser.

When driving a road with extremely sharp corners.

When the laser cannot detect the reflector of the vehicle ahead as the vehicle ahead is passing a hill or
passing the peak.
1. VISUAL CHECK
1. Check ICC sensor body window for contamination and foreign materials.
OK or NG
OK >> If any contamination or foreign materials are found, remove them. Then perform ICC system run- ning test. Refer to ACS-9, "
ICC System Running Test" .
NG >> GO TO 2.
2. CHECK FUNCTION
1. After performing laser beam aiming adjustment, perform ICC system running test. Refer to ACS-9, "
ICC
System Running Test" . Check that preceding vehicle detection performance has been improved.
OK or NG
OK >> Inspection End.
NG >>

Replace ICC sensor and perform laser beam aiming adjustment. Refer to ACS-59, "ICC Sen-
sor" .

Perform ICC system running test. Refer to ACS-9, "ICC System Running Test" . Then perform
self-diagnosis of ICC system again.
Symptom 8: The System Does Not Detect the Vehicle Ahead at AllEKS00BMR
1. VISUAL CHECK
1. With ignition switch turned ON (engine not started), check that all indicator lamps in ICC system display are continuously lit. (Check for a missing segment in preceding vehicle detection display.)
OK or NG
OK >> GO TO 2.
NG >> Check combination meter. Refer to DI-17, "
How to Proceed With Trouble Diagnosis" .

INDEX FOR DTCAT-5
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Revision: November 2009 2006 QX56
INDEX FOR DTCPFP:00024
Alphabetical Index ECS00CDH
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to
AT- 9 6 , "
DTC U1000 CAN COMMUNICATION LINE" .
*1: These numbers are prescribed by SAE J2012.
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.Items
(CONSULT- II screen terms) DTC
Reference page
OBD- II Except OBD- II
CONSULT- II GST (*1) CONSULT- II only “ A/T”
A/T 1ST E/BRAKING —P1731AT- 1 3 7
ATF PRES SW 1/CIRC —P1841AT- 1 5 9
ATF PRES SW 3/CIRC —P1843AT- 1 6 1
ATF PRES SW 5/CIRC —P1845AT- 1 6 3
ATF PRES SW 6/CIRC —P1846AT- 1 6 5
A/T INTERLOCK P1730P1730AT- 1 3 4
A/T TCC S/V FNCTN P0744 P0744 AT- 1 2 0
ATF TEMP SEN/CIRC P0710P1710AT- 1 2 7
CAN COMM CIRCUIT U1000U1000AT- 9 6
D/C SOLENOID/CIRC P1762P1762AT- 1 4 7
D/C SOLENOID FNCTN P1764 (*2 )P1764 AT- 1 4 9
ENGINE SPEED SIG —P0725AT- 11 6
FR/B SOLENOID/CIRC P1757P1757AT- 1 4 3
FR/B SOLENOID FNCT P1759 P1759 AT- 1 4 5
HLR/C SOL/CIRC P1767P1767AT- 1 5 1
HLR/C SOL FNCTN P1769 (*2 ) P1769 AT- 1 5 3
I/C SOLENOID/CIRC P1752P1752AT- 1 3 9
I/C SOLENOID FNCTN P1754 (*2 ) P1754 AT- 1 4 1
L/PRESS SOL/CIRC P0745P0745AT- 1 2 2
LC/B SOLENOID/CIRC P1772P1772AT- 1 5 5
LC/B SOLENOID FNCT P1774 P1774 AT- 1 5 7
PNP SW/CIRC P0705P0705AT- 1 0 5
STARTER RELAY/CIRC —P0615AT- 1 0 0
TCC SOLENOID/CIRC P0740P0740AT- 11 8
TCM P0700P0700AT- 1 0 4
TP SEN/CIRC A/T —P1705AT- 1 2 4
TURBINE REV S/CIRC P0717P0717AT- 1 0 9
VEH SPD SE/CIR·MTR —P1721AT- 1 3 2
VEH SPD SEN/CIR AT P0720P0720AT- 111

AT-6
INDEX FOR DTC
Revision: November 20092006 QX56
DTC No. Index ECS00CDI
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to
AT- 9 6 , "
DTC U1000 CAN COMMUNICATION LINE" .
*1: These numbers are prescribed by SAE J2012.
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.DTC
Items
(CONSULT- II screen terms) Reference page
OBD- II
Except OBD- II
CONSULT- II GST (*1) C O N S U LT- I I
only “A/T ”
— P0615 STARTER RELAY/CIRC AT- 1 0 0
P0700P0700 TCM AT- 1 0 4
P0705P0705 PNP SW/CIRC AT- 1 0 5
P0710P1710 ATF TEMP SEN/CIRC AT- 1 2 7
P0717P0717 TURBINE REV S/CIRC AT- 1 0 9
P0720P0720 VEH SPD SEN/CIR AT AT- 111
—P0725 ENGINE SPEED SIG AT- 11 6
P0740P0740 TCC SOLENOID/CIRC AT- 11 8
P0744 P0744 A/T TCC S/V FNCTN AT- 1 2 0
P0745P0745 L/PRESS SOL/CIRC AT- 1 2 2
—P1705 TP SEN/CIRC A/T AT- 1 2 4
—P1721 VEH SPD SE/CIR· MTR AT- 1 3 2
P1730P1730 A/T INTERLOCK AT- 1 3 4
— P1731 A/T 1ST E/BRAKING AT- 1 3 7
P1752P1752 I/C SOLENOID/CIRC AT- 1 3 9
P1754 (*2 ) P1754 I/C SOLENOID FNCTN AT- 1 4 1
P1757P1757 FR/B SOLENOID/CIRC AT- 1 4 3
P1759 (*2 ) P1759 FR/B SOLENOID FNCT AT- 1 4 5
P1762P1762 D/C SOLENOID/CIRC AT- 1 4 7
P1764 (*2 )P1764 D/C SOLENOID FNCTN AT- 1 4 9
P1767P1767 HLR/C SOL/CIRC AT- 1 5 1
P1769 P1769 HLR/C SOL FNCTN AT- 1 5 3
P1772P1772 LC/B SOLENOID/CIRC AT- 1 5 5
P1774 P1774 LC/B SOLENOID FNCT AT- 1 5 7
—P1841 ATF PRES SW 1/CIRC AT- 1 5 9
—P1843 ATF PRES SW 3/CIRC AT- 1 6 1
—P1845 ATF PRES SW 5/CIRC AT- 1 6 3
—P1846 ATF PRES SW 6/CIRC AT- 1 6 5
U1000U1000 CAN COMM CIRCUIT AT- 9 6