Infiniti QX56 (Z62). Manual — part 290
DAS
DISTANCE CONTROL ASSIST SYSTEM SYMPTOMS
DAS-197
< SYMPTOM DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
SYMPTOM DIAGNOSIS
DISTANCE CONTROL ASSIST SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000006223650
Symptoms
Reference page
Operation
Switch does not turn ON
Switch does not turn OFF
DCA system setting cannot be turned ON on the
navigation screen
DCA system setting cannot be turned OFF on the
navigation screen
DCA system not activated (switch is ON)
Display/Chime
Information display is not illuminated (vehicle
ahead indicator)
MWI-29, "On Board Diagnosis Function"
Chime does not sound
Control
No force generated for putting back the accelera-
tor pedal
Detection of lead
vehicle
Frequently cannot detect the vehicle ahead
Detection zone is short
System misidentifies a vehicle even though there
is no vehicle ahead
• Adjust laser beam aiming: Refer to
.
• Perform action test. Refer to
System misidentifies a vehicle in the next lane
System does not detect the vehicle ahead at all
DAS-198
< SYMPTOM DIAGNOSIS >
[DCA]
SWITCH DOES NOT TURN ON / SWITCH DOES NOT TURN OFF
SWITCH DOES NOT TURN ON / SWITCH DOES NOT TURN OFF
Description
INFOID:0000000006223651
The switch does not turn ON
• When the DCA system setting is ON, the DCA system switch indicator does not illuminate even if the
dynamic driver assistance switch is depressed.
The switch does not turn OFF
• The DCA system switch indicator does not turn OFF even if the dynamic driver assistance switch is pressed
when the DCA system switch indicator illuminates.
NOTE:
The system cannot be operated when setting conventional (fixed speed) cruise control mode.
Diagnosis Procedure
INFOID:0000000006223652
1.
CHECK DCA SYSTEM SETTING
1.
Start the engine.
2.
After starting the engine wait for 5 seconds or more.
3.
Check that DCA system setting on the navigation screen is ON.
Is DCA system setting ON?
YES
>> GO TO 2.
NO
>> Enable the DCA system setting.
2.
DYNAMIC DRIVER ASSISTANCE SWITCH INSPECTION
1.
Start the engine.
2.
Check that “DYNA ASIST SW” operates normally in “DATA MONITOR” of “ICC/ADAS” with CONSULT-III.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 5.
3.
CHECK DCA SYSTEM SWITCH INDICATOR CIRCUIT
1.
Start the engine.
2.
Select the active test item “DCA INDICATOR” of “ICC/ADAS” with CONSULT-III.
3.
Check if the DCA system switch indicator illuminates when the test item is operated.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 4.
4.
PERFORM THE SELF-DIAGNOSIS OF COMBINATION METER
1.
Perform “All DTC Reading” with CONSULT-III.
2.
Check if the DTC is detected in self-diagnosis results of “METER/M&A”. Refer to
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
5.
CHECK STEERING SWITCH CIRCUIT
Check the steering switch circuit. Refer to
DAS-138, "Diagnosis Procedure"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 7.
6.
PERFORM THE SELF-DIAGNOSIS
1.
Perform “All DTC Reading” with CONSULT-III.
2.
Check if the DTC is detected in self-diagnosis results of “ICC/ADAS”. Refer to
.
Is any DTC detected?
YES
>> GO TO 7.
DAS
SWITCH DOES NOT TURN ON / SWITCH DOES NOT TURN OFF
DAS-199
< SYMPTOM DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
NO
>> GO TO 8.
7.
REPAIR OR REPLACE MALFUNCTIONING PARTS.
Repair or replace malfunctioning parts.
>> GO TO 8.
8.
CHECK DCA SYSTEM
1.
Erase “self-diagnosis result”, and then perform “All DTC Reading” again after performing the action test.
(Refer to
2.
Check that the DCA system is normal.
>> INSPECTION END
DAS-200
< SYMPTOM DIAGNOSIS >
[DCA]
DCA SYSTEM SETTINGS CANNOT BE TURNED ON/OFF ON THE NAVIGATION
SCREEN
DCA SYSTEM SETTINGS CANNOT BE TURNED ON/OFF ON THE NAVI-
GATION SCREEN
Description
INFOID:0000000006223653
• DCA system setting is not selectable on the navigation screen.
NOTE:
When the ignition switch is in ACC position, DCA system settings cannot be changed.
- “Distance Control Assist” is not indicated on the navigation screen.
- The switching between ON and OFF cannot be performed by operating the navigation system.
- The item of “Distance Control Assist” on the navigation screen is not active.
• After turning ON the ignition switch or starting the engine, DCA settings of the navigation system cannot be
selected for several tens of seconds under the following conditions:
- After replacing AV control unit.
- After erasing connection history of the navigation system.
- After erasing self-diagnosis results.
• The DCA system setting differs from the one set at the previous driving.
NOTE:
Turn OFF the ignition switch and wait for 5 seconds or more.
Diagnosis Procedure
INFOID:0000000006223654
1.
CHECK DCA SYSTEM SETTING
1.
Start the engine.
2.
Check that the DCA system settings is selectable on the navigation screen.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
PERFORM THE SELF-DIAGNOSIS
1.
Perform “All DTC Reading” with CONSULT-III.
2.
Check if the DTC is detected in self-diagnosis results of “ICC/ADAS”, “MULTI AV” and “METER/M&A”.
Refer to the following.
-
ICC/ADAS:
-
MULTI AV:
-
METER/M&A:
Is any DTC detected?
YES
>> Repair or replace malfunctioning parts.
NO
>> INSPECTION END
3.
CHECK DATA MONITOR OF ADAS CONTROL UNIT
Check that “DCA SELECT” operates normally in “DATA MONITOR” of “ICC/ADAS” with CONSULT-III.
Is the inspection result normal?
YES
>> Refer to
AV-28, "On Board Diagnosis Function"
.
NO
>> GO TO 4.
4.
CHECK MULTIFUNCTION SWITCH
Operate the multifunction switch to check that the audio, navigation system, and air conditioner operate prop-
erly.
Is the inspection result normal?
YES
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
NO
>> Repair or replace malfunctioning parts.
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