Infiniti QX56 (Z62). Manual — part 224
CCS
ICC SYSTEM CANNOT BE SET (MAIN SWITCH TURNS ON/OFF)
CCS-163
< SYMPTOM DIAGNOSIS >
[ICC]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
-
“PKB SW”
Is there a malfunctioning item?
All items are normal>>GO TO 5.
“VHCL SPEED SE”>>Refer to
.
“D RANGE SW”>>Refer to
CCS-165, "Diagnosis Procedure"
.
“SET/COAST SW”>>Refer to
.
“BRAKE SW”>>Refer to
.
“WIPER SW” (When the front wiper operation is normal)>>GO TO 5.
“WIPER SW” (When the front wiper operation is malfunctioning)>>Performs the diagnosis of the front wiper.
“PKB SW”>>Refer to
5.
REPLACE ADAS CONTROL UNIT
Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
>> GO TO 6.
6.
CHECK ICC SYSTEM
1.
Erase the self-diagnosis results, and then perform “All DTC Reading” again after performing the action
test. (Refer to
for action test.)
2.
Check that the ICC system is normal.
>> INSPECTION END
CCS-164
< SYMPTOM DIAGNOSIS >
[ICC]
ICC STEERING SWITCH (OTHER THAN MAIN SWITCH) DOES NOT FUNCTION
ICC STEERING SWITCH (OTHER THAN MAIN SWITCH) DOES NOT
FUNCTION
Description
INFOID:0000000006224445
MAIN switch can be turned ON/OFF, but the operation of RESUME/ACCELERATE switch, CANCEL switch,
and DISTANCE switch cannot be performed during ICC system operation.
NOTE:
Resume is not accepted when the following condition is met.
• When the MAIN switch is turned OFF once.
The set distance change is not accepted when any of the following condition is met.
• When the DCA system is turned ON.
Diagnosis Procedure
INFOID:0000000006224446
1.
CHECK EACH SWITCH
1.
Start the engine.
2.
Check that each switch operates normally on “DATA MONITOR” of “ICC/ADAS” with CONSULT-III.
-
“RESUME/ACC SW”
-
“CANCEL SW”
-
“DISTANCE SW”
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
PERFORM ALL OF THE SELF-DIAGNOSIS ITEMS
1.
Perform “All DTC Reading”.
2.
Check if the “U1000” is detected in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
CAN COMMUNICATIONS INSPECTION
Check the CAN communication and repair or replace malfunctioning parts. Refer to
>> INSPECTION END
4.
CHECK ICC STEERING SWITCH
Check the ICC steering switch. Refer to
CCS-95, "Component Inspection"
.
>> GO TO 6.
5.
REPLACE ADAS CONTROL UNIT
Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
>> GO TO 6.
6.
CHECK ICC SYSTEM
1.
Erase the self-diagnosis results, and then perform “All DTC Reading” again after performing the action
test. (Refer to
2.
Check that the ICC system is normal.
>> INSPECTION END
CCS
ICC SYSTEM DOES NOT CANCEL WHEN A/T SELECTOR LEVER SETS ON "N"
CCS-165
< SYMPTOM DIAGNOSIS >
[ICC]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
ICC SYSTEM DOES NOT CANCEL WHEN A/T SELECTOR LEVER SETS
ON "N"
Description
INFOID:0000000006224447
The ICC system is not canceled even when the A/T selector lever is shifted to the N position while the ICC
system is active.
Diagnosis Procedure
INFOID:0000000006224448
1.
CHECK D RANGE SWITCH
Check if “D RANGE SW” operates normally in “DATA MONITOR” of “ICC/ADAS” with CONSULT-III.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 2.
2.
PERFORM ALL SELF-DIAGNOSIS ITEMS
1.
Perform “All DTC Reading”.
2.
Check if the “U1000” is detected in “self-diagnosis results” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
CAN COMMUNICATIONS INSPECTION
Check the CAN communication and repair or replace malfunctioning parts. Refer to
>> INSPECTION END
4.
CHECK POSITION SWITCH
Check if “SLCT LVR POSI” operates normally in “DATA MONITOR” of “TRANSMISSION”.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
PERFORM TCM SELF-DIAGNOSIS
1.
Perform the “Self Diagnostic Result” of “TRANSMISSION”.
2.
Repair or replace malfunctioning parts. Refer to
>> GO TO 7.
6.
REPLACE ADAS CONTROL UNIT
Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
>> GO TO 7.
7.
CHECK ICC SYSTEM
1.
Erase the self-diagnosis results, and then perform “All DTC Reading” again after performing the action
test. (Refer to
for action test.)
2.
Check that the ICC system is normal.
>> INSPECTION END
CCS-166
< SYMPTOM DIAGNOSIS >
[ICC]
CHIME DOES NOT SOUND
CHIME DOES NOT SOUND
Description
INFOID:0000000006224449
Symptom check: In the following conditions, the warning chime may not sound even if the vehicle distance is
short.
• When the vehicles are traveling at the same speed and the distance between vehicles is not changing.
• When the vehicle ahead is traveling faster and the distance between vehicles is increasing.
• The warning chime will not sound when the accelerator pedal is depressed, overriding the system.
• The warning chime will not sound when own vehicle approaches vehicles that are parked or moving slowly.
• The warning chime does not sound when the system does not detect any vehicle ahead. (Diagnose the con-
ditions under which the system is detecting the vehicle ahead and when the system is malfunctioning. If
there is any malfunction in detecting the vehicle ahead, check the system following the
Diagnosis Procedure
INFOID:0000000006224450
1.
PERFORM ACTIVE TEST
Check if the warning chime sounds on the active test item “ICC BUZZER” of “ICC/ADAS” with CONSULT-III.
Does the warning chime sound?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK THE MALFUNCTION SYMPTOM DURING WARNING CHIME OPERATION
Understand the vehicle ahead detecting condition when the malfunction occurred. If the warning chime should
have sounded, replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
.
>> GO TO 8.
3.
CHECK ICC WARNING CHIME CIRCUIT
Check the meter buzzer circuit. Refer to
WCS-40, "Component Function Check"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 6.
4.
PERFORM THE SELF-DIAGNOSIS
1.
Perform “All DTC Reading” with CONSULT-III.
2.
Check if the “U1000” is detected in self-diagnosis results of “ICC/ADAS”.
Is “U1000” detected?
YES
>> GO TO 5.
NO
>> GO TO 7.
5.
CAN COMMUNICATIONS SYSTEM INSPECTION
Check the CAN communication system and repair or replace malfunctioning parts. Refer to
>> INSPECTION END
6.
REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
>> GO TO 8.
7.
REPLACE ADAS CONTROL UNIT
Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
>> GO TO 8.
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