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DAS-332
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DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work FlowINFOID:0000000006223727
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Interview the customer to obtain information about sy mptoms using “Diagnostic Work Sheet”. (Refer to DAS-
333, "Diagnostic Work Sheet".)
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DAS
DIAGNOSIS AND REPAIR WORK FLOWDAS-333
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>> GO TO 2.
2.SELF-DIAGNOSIS WITH CONSULT-III
1. Perform “All DTC Reading” with CONSULT-II INFINITI QX56 2011 Factory Service Manual
DAS
DIAGNOSIS AND REPAIR WORK FLOWDAS-333
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>> GO TO 2.
2.SELF-DIAGNOSIS WITH CONSULT-III
1. Perform “All DTC Reading” with CONSULT-II](/manual-img/42/57033/w960_57033-1297.png)
DAS
DIAGNOSIS AND REPAIR WORK FLOWDAS-333
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>> GO TO 2.
2.SELF-DIAGNOSIS WITH CONSULT-III
1. Perform “All DTC Reading” with CONSULT-III.
2. Check if the DTC is detected on the self-diagnosis results of “ICC/ADAS” and/or “LANE CAMERA”.
Is any DTC detected?
YES >> GO TO 5.
NO >> GO TO 3.
3.PRE-INSPECTION FOR DIAGNOSIS
Perform pre-inspection for diagnosis. Refer to DAS-335, "
Inspection Procedure".
>> GO TO 4.
4.ACTION TEST
Perform LDW/LDP system action test to check the operation status. Refer to DAS-336, "
Description".
>> GO TO 6.
5.TROUBLE DIAGNOSIS BY DTC
Perform trouble diagnosis for the detected DTC. Specify a malfunctioning part. Refer to DAS-310, "
DTC Index"
(ICC/ADAS) and/or DAS-316, "DTC Index" (LANE CAMERA).
>> GO TO 7.
6.SYMPTOM DIAGNOSIS
Perform symptom diagnosis. Specify malfunctioning part. Refer to DAS-395, "
Symptom Table".
>> GO TO 7.
7.MALFUNCTION PART REPAIR
Repair or replace the identified malfunctioning parts.
>> GO TO 8.
8.REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT-III)
Perform self-diagnosis with CONSULT-II I. Check that any DTC is not detected. Erase DTC if DTC is detected
before the repair. Check that DTC is not detected again.
Is any DTC detected?
YES >> GO TO 5.
NO >> GO TO 9.
9.REPAIR CHECK (ACTION TEST)
Perform LDW/LDP system action test . Also check the system operation.
Does it operate normally?
YES >> INSPECTION END
NO >> GO TO 4.
Diagnostic Work SheetINFOID:0000000006223728
DESCRIPTION
In general, each customer feels differently about an inci dent. It is important to fully understand the symptoms
or conditions for a customer complaint.
There are many operating conditions that lead to the malfunction. A good grasp of such conditions can make
troubleshooting faster and more accurate.
Some conditions may cause the lane departure warning lamp to stay ON.
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DAS-334
< BASIC INSPECTION >[LDW & LDP]
DIAGNOSIS AND REPAIR WORK FLOW
Utilize a work sheet sample to organize all of the information for troubleshooting.
KEY POINTS WHAT..... System and functions
WHEN..... Date, Frequencies
WHERE..... Road conditions
HOW..... Operating conditions, Symptoms
WORK SHEET SAMPLE
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DAS
PRE-INSPECTION FOR DIAGNOSISDAS-335
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PRE-INSPECTION FOR DIAGNOSIS
Inspection ProcedureINFOID:0000000006223729
1.CHECK CAMERA LENS AND WINDSHIELD
Are camera lens and windshield contaminated with foreign materials?
YES >> Clean camera lens and windshield.
NO >> GO TO 2.
2.CHECK LANE CAMERA UNIT INSTALLATION CONDITION
Check lane camera unit installation condition (install ation position, properly tightened, a bent bracket).
Is it properly installed?
YES >> GO TO 3.
NO >> Install lane camera unit properly, and perform camera aiming. Refer to DAS-340, "
Description".
3.CHECK VEHICLE HEIGHT
Check vehicle height. Refer to FSU-21, "
Wheel Height".
Is vehicle height appropriate?
YES >> INSPECTION END
NO >> Repair vehicle to appropriate height.
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DAS-336
< BASIC INSPECTION >[LDW & LDP]
ACTION TEST
ACTION TEST
DescriptionINFOID:0000000006223730
Perform action test to verify the customers concern.
Perform action test and check the syst
em INFINITI QX56 2011 Factory Service Manual
DAS-336
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ACTION TEST
ACTION TEST
DescriptionINFOID:0000000006223730
Perform action test to verify the customers concern.
Perform action test and check the syst
em](/manual-img/42/57033/w960_57033-1300.png)
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 —
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DAS
ACTION TESTDAS-337
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After the operating conditions of warning are satisf ied, the warning continues until the vehicle speed
reaches a INFINITI QX56 2011 Factory Service Manual
DAS
ACTION TESTDAS-337
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After the operating conditions of warning are satisf ied, the warning continues until the vehicle speed
reaches a](/manual-img/42/57033/w960_57033-1301.png)
DAS
ACTION TESTDAS-337
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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 —
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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 INFINITI QX56 2011 Factory Service Manual
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](/manual-img/42/57033/w960_57033-1302.png)
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
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DAS
ADDITIONAL SERVICE WHEN REPLACING LANE CAMERA UNITDAS-339
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ADDITIONAL SERVICE WHEN RE PLACING LANE CAMERA UNIT
DescriptionINFOID:0000 INFINITI QX56 2011 Factory Service Manual
DAS
ADDITIONAL SERVICE WHEN REPLACING LANE CAMERA UNITDAS-339
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ADDITIONAL SERVICE WHEN RE PLACING LANE CAMERA UNIT
DescriptionINFOID:0000](/manual-img/42/57033/w960_57033-1303.png)
DAS
ADDITIONAL SERVICE WHEN REPLACING LANE CAMERA UNITDAS-339
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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