Infiniti QX56 (Z62). Manual — part 272
DAS
DIAGNOSIS AND REPAIR WORK FLOW
DAS-125
< BASIC INSPECTION >
[DCA]
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NOTE:
The customers are not professionals. Never assume that “maybe the customer means···” or “maybe the cus-
tomer mentioned this symptom”.
>> 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 “ACCELE PEDAL ACT”.
Is any DTC detected?
YES
>> GO TO 5.
NO
>> GO TO 3.
3.
ACTION TEST
Perform DCA system action test to check the operation status. Refer to
.
Check if any other malfunctions occur.
>> GO TO 4.
4.
SYMPTOM DIAGNOSIS
Perform the applicable diagnosis according to the diagnosis chart by symptom. Refer to
.
>> GO TO 6.
5.
TROUBLE DIAGNOSIS BY DTC
1.
Check the DTC in the self-diagnosis results.
2.
Perform trouble diagnosis for the detected DTC. Refer to
(ICC/ADAS) and/or
(ACCELE PEDAL ACT).
NOTE:
If “DTC: U1000” is detected, first diagnose the CAN communication system or ITS communication system.
>> GO TO 6.
6.
MALFUNCTIONING PART REPAIR
Repair or replace the identified malfunctioning parts.
>> GO TO 7.
7.
REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT-III)
1.
Erases self-diagnosis results.
2.
Perform “All DTC Reading” again after repairing or replacing the specific items.
3.
Check if any DTC is detected in self-diagnosis results of “ICC/ADAS” and “ACCELE PEDAL ACT”.
Is any DTC detected?
YES
>> GO TO 5.
NO
>> GO TO 8.
8.
REPAIR CHECK (ACTION TEST)
Perform the DCA system action test. Check that the malfunction symptom is solved or no other symptoms
occur.
Is there a malfunction symptom?
YES
>> GO TO 4.
NO
>> INSPECTION END
DAS-126
< BASIC INSPECTION >
[DCA]
ADDITIONAL SERVICE WHEN REPLACING ICC SENSOR
ADDITIONAL SERVICE WHEN REPLACING ICC SENSOR
Description
INFOID:0000000006223523
• Always perform the laser beam aiming adjustment after removing and installing or replacing the ICC sensor.
CAUTION:
The system does not operate normally unless the laser beam aiming adjustment is performed.
Always perform it.
• Perform the DCA system action test check that the DCA system operates normally.
Work Procedure
INFOID:0000000006223524
1.
LASER BEAM AIMING ADJUSTMENT
Adjust the laser beam aiming. Refer to
>> GO TO 2.
2.
DCA SYSTEM ACTION TEST
1.
Perform the DCA system action test. Refer to
2.
Check that the DCA system operates normally.
>> INSPECTION END
DAS
ADDITIONAL SERVICE WHEN REPLACING ACCELERATOR PEDAL ASSEM-
BLY
DAS-127
< BASIC INSPECTION >
[DCA]
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ADDITIONAL SERVICE WHEN REPLACING ACCELERATOR PEDAL AS-
SEMBLY
Description
INFOID:0000000006223525
• Always perform accelerator pedal released position learning when replacing the accelerator pedal assembly
or disconnecting the accelerator pedal position sensor connector.
• Perform the DCA system action test check that the DCA system operates normally.
Work Procedure
INFOID:0000000006223526
1.
ACCELERATOR PEDAL RELEASED POSITION LEARNING
Perform accelerator pedal released position learning. Refer to
>> GO TO 2.
2.
DCA SYSTEM ACTION TEST
1.
Perform the DCA system action test. Refer to
.
2.
Check that the DCA system operates normally.
>> INSPECTION END
DAS-128
< BASIC INSPECTION >
[DCA]
ACTION TEST
ACTION TEST
Description
INFOID:0000000006223527
Always perform the DCA system action test to check that the system operates normally after replacing the ICC
sensor, replacing the accelerator pedal assembly, or repairing any DCA system malfunction.
CAUTION:
Perform the DCA system action test after checking that the ICC system operates normally because the
DCA system shares components with the ICC system.
Work Procedure
INFOID:0000000006223528
NOTE:
When the ICC system is set, the information display changes to the ICC system display.
1.
ICC SYSTEM ACTION TEST
Perform the ICC system action test. Refer to
>> GO TO 2.
2.
CHECK DCA SYSTEM SETTING
1.
Start the engine.
2.
After starting the engine wait for 30 seconds or more.
3.
Check that the DCA system setting can be enabled/disabled on the navigation screen.
4.
Turn OFF the ignition switch and wait for 5 seconds or more.
5.
Check that the previous setting is saved when the engine starts again.
>> GO TO 3.
3.
CHECK DYNAMIC DRIVER ASSISTANCE SWITCH
1.
Start the engine.
2.
After starting the engine wait for 30 seconds or more.
3.
Enable the setting of the DCA system on the navigation screen.
4.
Press the dynamic driver assistance switch (1).
5.
Check that the DCA system switch indicator (2) on the informa-
tion display illuminates.
6.
Check that the DCA system switch indicator turns OFF when the
system is turned OFF by pressing the dynamic driver assistance
switch.
7.
Check that the DCA system switch indicator turns OFF when the
engine starts again.
NOTE:
The DCA system switch indicator does not illuminate even when the
dynamic driver assistance switch is turned ON within approximately
5 seconds after starting the engine.
If the accelerator pedal assembly is not replaced>>INSPECTION END
If the accelerator pedal assembly is replaced>>GO TO 4.
4.
CHECK DCA SYSTEM OPERATION
Check that the accelerator pedal actuator operates by the “Active Test” items “ACCELERATOR PEDAL
ACTUATOR TEST1” and “ACCELERATOR PEDAL ACTUATOR TEST2” of “ACCELE PEDAL ACT” with
CONSULT-III.
>> INSPECTION END
JSOIA0275ZZ
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