INFINITI QX56 2011 Factory Service Manual

DAS-336
< BASIC INSPECTION >[LDW & LDP]
ACTION TEST
ACTION TEST
DescriptionINFOID:0000000006223730
 Perform action test to verify the customer's concern.
 Perform action test and check the syst
em operation after system diagnosis.
WARNING:
Be careful of traffic conditions and safety ar ound the vehicle when performing road test.
CAUTION:
 Fully understand the following it ems well before the road test;
- Precautions: Refer to DAS-273, "
Precaution for LDW/LDP System Service".
- System description for LDW: Refer to DAS-277, "
LANE DEPARTURE WARNING (LDW) SYSTEM :
System Description".
- System description for LDP: Refer to DAS-280, "
LANE DEPARTURE PREVENTION (LDP) SYSTEM :
System Description".
- Handling precaution: Refer to DAS-288, "
Precautions for Lane Departure Warning/Lane Departure
Prevention".
Inspection ProcedureINFOID:0000000006223731
WARNING:
Be careful of traffic conditions and safety ar ound the vehicle when performing road test.
CAUTION:
 Fully understand the following it ems well before the road test;
- Precautions: Refer to DAS-273, "
Precaution for LDW/LDP System Service".
- System description for LDW: Refer to DAS-277, "
LANE DEPARTURE WARNING (LDW) SYSTEM :
System Description".
- System description for LDP: Refer to DAS-280, "
LANE DEPARTURE PREVENTION (LDP) SYSTEM :
System Description".
- Handling precaution: Refer to DAS-288, "
Precautions for Lane Departure Warning/Lane Departure
Prevention".
1.ACTION TEST FOR LDW
1. Drive the vehicle.
2. Turn warning systems switch ON (w arning systems ON indicator is ON).
NOTE:
LDP system is OFF.
3. Check the LDW operation according to the following table.
NOTE:
Vehicle condition/ Driver's operation Action Warning sys-
tems ON indi- cator Indication on the combination
meter Buzzer
Less than
Approx. 60 km/h (40 MPH) Close to lane marker No action ON OFF —
Approx. 70 km/h (45 MPH) or more Close to lane marker
Warning
 Buzzer sounds
 Warning lamp
blinks ON
Short contin-
uous beeps
 Close to lane marker
 Turn signal ON (Deviate side) No action ON OFF —
JPOIA0018GB
Revision: 2010 May2011 QX56

DAS
ACTION TESTDAS-337
< BASIC INSPECTION > [LDW & LDP]
C
D
E
F
G H
I
J
K L
M B
N P A
After the operating conditions of warning are satisf ied, the warning continues until the vehicle speed
reaches approximately 60 km/h (40 MPH). Refer to DAS-277, "
LANE DEPARTURE WARNING (LDW)
SYSTEM : System Description".
>> GO TO 2.
2.CHECK LDP SYSTEM SETTING
1. Start the engine.
2. Check that the LDP system setting can be enabled/disabled on the navigation screen.
3. Turn OFF the ignition switch and wait for 30 seconds or more.
4. Check that the previous setting is saved when the engine starts again.
>> GO TO 3.
3.ACTION TEST FOR LDP
1. Enable the setting of the LDP system on the navigation screen.
2. Turn dynamic driver assistance switch ON (LDP ON indicator lamp is ON).
NOTE:
LDW system is OFF.
3. Check the LDP operation according to the following table.
Vehicle condition/ Driver's operation Action Indication on the combination meter Buzzer
Less than Ap- prox. 60 km/h
(40 MPH) Close to lane marker No action —
JPOIA0021GB
Revision: 2010 May2011 QX56

DAS-338
< BASIC INSPECTION >[LDW & LDP]
ACTION TEST
NOTE:
After the operating conditions are satisfied, the c
ontrol continues until the vehicle speed reaches approxi-
mately 60 km/h (40 MPH). Refer to DAS-280, "
LANE DEPARTURE PREVENTION (LDP) SYSTEM : System
Description".
>> INSPECTION END
Approx. 70 km/h (45
MPH) or more Close to lane marker
Warning and yawing
 Buzzer sounds
 Warning lamp blinks
 Brake control Short continu-
ous beeps
 Close to lane marker
 Turn signal ON (Deviate side) No action —
Close to lane marker with
soft braking Warning
 Buzzer sounds
 Warning lamp blinks Short continu-
ous beeps
 VDC OFF Switch OFF ⇒ ON
(VDC system ON ⇒
OFF)
 SNOW mode switch
OFF ⇒ ON
 4WD shift switch is in the 4H or 4L Cancellation
 Buzzer sounds
 Indicator lamp blinks
NOTE:
When dynamic driver assis-
tance switch is ON
⇒ OFF, in-
dicator lamp is turned OFF. Beep
Vehicle condition/ Driver's operation Action Indication on the combination meter Buzzer
JPOIA0022GB
JPOIA0021GB
JPOIA0022GB
JPOIA0023GB
Revision: 2010 May2011 QX56

DAS
ADDITIONAL SERVICE WHEN REPLACING LANE CAMERA UNITDAS-339
< BASIC INSPECTION > [LDW & LDP]
C
D
E
F
G H
I
J
K L
M B
N P A
ADDITIONAL SERVICE WHEN RE PLACING LANE CAMERA UNIT
DescriptionINFOID:0000000006223732
Always adjust the camera aiming after removing and installing or replacing the lane camera unit.
CAUTION:
The system does not operate normally unless the cam era aiming adjustment is performed. Always
perform it.
Work ProcedureINFOID:0000000006223733
1.CAMERA AIMING ADJUSTMENT
Perform the camera aiming adjustment with CONSULT-III. Refer to DAS-340, "
Description".
>> GO TO 2.
2.PERFORM SELF-DIAGNOSIS
Perform the self-diagnosis of lane camera unit wi th CONSULT-III. Check if any DTC is detected.
Is any DTC detected?
YES >> Perform the trouble diagnosis for the detected DTC. Refer to DAS-316, "DTC Index".
NO >> GO TO 3.
3.LDW/LDP SYSTEM ACTION TEST
1. Perform the LDW/LDP syst em action test. Refer to DAS-339, "
Description".
2. Check that the LDW/LDP system operates normally.
>> WORK END
Revision: 2010 May2011 QX56

DAS-340
< BASIC INSPECTION >[LDW & LDP]
CAMERA AIMING ADJUSTMENT
CAMERA AIMING ADJUSTMENT
DescriptionINFOID:0000000006223734
Always adjust the camera aiming after removing
and installing or replacing the lane camera unit.
CAUTION:
 Place the vehicle on level ground when th e camera aiming adjustment is operated.
 Follow the CONSULT-III when performing the came ra aiming. (Camera aiming adjustment cannot be
operated without CONSULT-III.)
Work Procedure (Preparation)INFOID:0000000006223735
1.PERFORM SELF-DIAGNOSIS
Perform self-diagnosis of ADAS control unit and lane camera unit.
Is any DTC detected?
Except “C1B01”>>Perform diagnosis on the detected DTC and repair or replace the applicable item. Refer to
DAS-310, "
DTC Index" (ICC/ADAS) or DAS-316, "DTC Index" (LANE CAMERA).
“C1B01” or no DTC>>GO TO 2.
2.PREPARATION BEFORE CAMERA AIMING ADJUSTMENT
1. Perform pre-inspection for diagnosis. Refer to DAS-335, "
Inspection Procedure".
2. Adjust the tire pressure to the specified pressure value.
3. Maintain no-load in vehicle.
4. Check if coolant and engine oil are filled up to correct level and fuel tank is full.
5. Shift the selector lever to “P” position and release the parking brake.
6. Clean the windshield.
7. Completely clear off the instrument panel.
>> GO TO 3.
3. PREPARATION OF AIMING ADJUSTMENT JIG
Prepare the aiming adjustment jig according to the following procedure and the figure.
1. Print out the target mark attached in this service manual. Refer to DAS-343, "
Work Procedure (Target
Mark Sample)".
2. Stick a printed target mark on the board with a scotch tape or a piece of double-sided tape.
NOTE:
 Use the board that peripheral area of the ta rget is monochrome such as a white-board.
 Notice that the cross of the target is horizontal and vertical.
JPOIA0011ZZ
Revision: 2010 May2011 QX56

DAS
CAMERA AIMING ADJUSTMENTDAS-341
< BASIC INSPECTION > [LDW & LDP]
C
D
E
F
G H
I
J
K L
M B
N P A
>> Go to DAS-341, "Work Procedure (Target Setting)".
Work Procedure (Target Setting)INFOID:0000000006223736
CAUTION:
 Perform this operation in a horizo ntal position where there is a clear view for 5 m (16.4 ft) forward
and 3 m (9.84 ft) wide.
 Place the target in a well-lig hted location. (Poor lighting may make it hard to adjust.)
 The target may not be detected when there is a ligh t source within 1.5 m (4.92 ft) from either side and
within 1 m (3.28 ft) upward/downward from the target.
 Check the location of the sun. (S unlight should not shine directly on the front of the vehicle.)
 The target may not be detected when there is the same pattern of black and white as the target when
the pattern is within 1 m (3.28 ft) from either si de and upward/downward position from the target. (It
is desirable that the vehicle is positioned on the opposite side of a single-color wall.)
1.TARGET SETTING
1. Mark points “A”, “B”, “C” and “D”at the center of the lateral sur- face of each wheels.
NOTE:
Hang a string with a cone from the fender so as to pass through
the center of wheel, and then mark a point at the center of the
lateral surface of the wheel.
2. Draw line “LH” passing through points “A” and “B” on the left side
of vehicle.
NOTE:
Approximately 4 m (13.12 ft) or mo re from the front end of vehi-
cle.
1.Board 2.String 3.Cone
: Target mark
Diameter of a target (D) : 200 mm (7.87 in)
Height of a target center (H) : 1450 mm (57.09 in)
Width between a right target cen-
ter from a left target center (W) : 600 mm (23.62 in)
“A” – “E” (“C” – “F”) : 3850 mm (151.57 in)
PKIB4694E
JSOIA0360GB
Revision: 2010 May2011 QX56

DAS-342
< BASIC INSPECTION >[LDW & LDP]
CAMERA AIMING ADJUSTMENT
3. Mark point “E” on the line “LH” at the
positions 3850 mm (151.57 in) from point “A”.
4. Draw line “RH” passing through points “C” and “D” on the right side of vehicle in the same way as step 2. NOTE:
Approximately 4 m (13.12 ft) or more from the front end of vehicle.
5. Mark point “F” on the line “RH” at the positions 3850 mm (151.57 in) from point “C”.
6. Draw line “FW” passing through the points “E” and “F” on the front side of vehicle.
7. Mark point “X” at the center of point “E” and “F” on the line “FW”.
CAUTION:
Make sure that “E” to “X” is equal to “F” to “X”.
8. Position the center of the ri ght target to point of “X”.
>> Go to DAS-342, "
Work Procedure (Camera Aiming
Adjustment)".
Work Procedure (Camera Aiming Adjustment)INFOID:0000000006223737
CAUTION:
Perform the adjustment under unloaded vehicle condition.
1.CHECK VEHICLE HEIGHT
Measure the wheelarch height. Calculate “Dh”.
NOTE:
“Dh” may be calculated as a minus value.
>> GO TO 2.
2.CAMERA AIMING ADJUSTMENT
CAUTION:
Operate CONSULT-III outside the vehic le, and close all the doors. (To retain vehicle attitude appropri-
ately)
1. Select “Work Support” on “L ANE CAMERA” with CONSULT-III.
2. Select “AUTO AIM”.
3. Confirm the following items;
- The target should be accurately placed.
- The vehicle should be stopped.
4. Select “Start” to perform camera aiming. CAUTION:
 Never select “Start” when the target is not accurately placed.
 Wait 5 seconds or more after selecting “Start”.
5. Input “Dh”, and then select “Start”.
CAUTION:
Never change “Ht” and “Dt”.
6. Confirm the displayed item.
- “Normally Completed”: Select “Completion”.
- “SUSPENSION”, “X AIMING NG Y”, “ABNORMALL Y COMPLETED”: Perform the following services.
JPOIA0173GB
Dh [mm] = (Hfl + Hfr) ÷ 2 − 903
where, Hfl: Front left wheelarch height [mm]
Hfr: Front right wh eelarch height [mm]
JSOIA0361ZZ
Revision: 2010 May2011 QX56

DAS
CAMERA AIMING ADJUSTMENTDAS-343
< BASIC INSPECTION > [LDW & LDP]
C
D
E
F
G H
I
J
K L
M B
N P A
NOTE:
Replace camera unit if “00H Routine not activated” or “10H Writing error” are repeatedly indicated during the
above two services are performed.
7. Confirm that “Normally Completed” is displayed and then select “End” to close the aiming adjustment pro-
cedure.
>> GO TO 3.
3.PERFORM SELF-DIAGNOSIS
Perform self-diagnosis of lane camera unit with CONSULT-III.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repa ir or replace the applicable item. Refer to DAS-
316, "DTC Index".
NO >> GO TO 4.
4.ACTION TEST
Test the LDW/LDP system operation by action test. Refer to DAS-336, "
Description".
>> WORK END
Work Procedure (Target Mark Sample)INFOID:0000000006223738
NOTE:
Displayed item Possible cause Service procedure
SUSPENSION —
Temporary malfunction in internal processing of the lane
camera unit. Go back to Step 1
00H Routine not ac-
tivated Lane camera unit malfunction.
Position the target appro-
priately again. Perform
the aiming again. Refer
to
DAS-341, "
Work Pro-
cedure (Target Setting)"10H Writing error  Temporary malfunction in internal processing of the
lane camera unit.
 Lane camera unit malfunction.
X AIMING NG Y
(X: 0 - 7, Y: 1 - 8) — A target is not-yet-placed.
(The lane camera unit cannot detect a target.)
 The position of the lane camera unit is not correct.
 Inappropriate work environment.
 Inappropriate vehicle condition. Position the target appro-
priately again. Perform
the aiming again. Refer
to
DAS-340, "
Work Pro-
cedure (Preparation)".
ABNORMALLY COM-
PLETED
—
Revision: 2010 May2011 QX56

DAS-344
< BASIC INSPECTION >[LDW & LDP]
CAMERA AIMING ADJUSTMENT
Print this illustration so that the diam
eter of the circle is 200 mm (7.87 in).
PGIA0105J
Revision: 2010 May2011 QX56

DAS
C1A00 CONTROL UNITDAS-345
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
C
D
E
F
G H
I
J
K L
M B
N P A
DTC/CIRCUIT DIAGNOSIS
C1A00 CONTROL UNIT
DTC LogicINFOID:0000000006223739
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Perform “All DTC Readi ng” with CONSULT-III.
3. Check if the “C1A00” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A00” detected as the current malfunction?
YES >> Refer to DAS-345, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006223740
1.CHECK SELF-DIAGNOSIS RESULTS
Check if any DTC other than “C1A00” is detect ed in “Self Diagnostic Result” of “ICC/ADAS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
DAS-38, "
DTC Index".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
DTC
(On board dis- play) Trouble diagnosis name DTC detecting condition Possible causes
C1A00 (0) CONTROL UNIT ADAS control unit inte
rnal malfunction ADAS control unit
Revision: 2010 May2011 QX56