Infiniti G37 Coupe. Manual — part 315
CCS
U0401 ECM CAN 1
CCS-73
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
U0401 ECM CAN 1
Description
INFOID:0000000001606928
ICC sensor integrated unit and ECM exchange ECM system-related signals with CAN communication.
NOTE:
If DTC U0401 is detected along with DTC U1000, first diagnose the DTC U1000. Refer to
.
DTC Logic
INFOID:0000000001606929
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001606930
1.
PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
1.
Perform self-diagnosis of ICC sensor integrated unit.
2.
Check if DTC “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “ECM CAN CIR1 [U0401]” (DTC
120) is detected.
Is any DTC detected?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CAN COMMUNICATION INSPECTION
Perform the CAN communication system inspection. Repair or replace the applicable item. Refer to
.
>> GO TO 6.
3.
PERFORM SELF-DIAGNOSIS OF ECM
1.
Perform self-diagnosis of ECM.
2.
Check if DTC is detected. Refer to
.
Is any DTC detected?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
REPAIR OR REPLACE APPLICABLE ITEM
Repair or replace the applicable item identified by the self-diagnosis result.
>> GO TO 6.
5.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 6.
6.
CHECK ICC SYSTEM
DTC No.
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
U0401
(120)
ECM CAN CIR1
When a counter value of CAN signals received
from ECM does not change.
ECM
CCS-74
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
U0401 ECM CAN 1
1.
Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to
CCS-11, "ACTION TEST : Special Repair
Requirement (Vehicle-To-Vehicle Distance Control Mode)"
).
2.
Check that no abnormal condition is present in the ICC system.
>> INSPECTION END
CCS
U0402 TCM CAN 1
CCS-75
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
U0402 TCM CAN 1
Description
INFOID:0000000001606931
TCM transmits A/T control system signal to ICC sensor integrated unit with CAN communication.
NOTE:
If DTC U402 is detected along with DTC U1000, first diagnose the DTC U1000. Refer to
.
DTC Logic
INFOID:0000000001606932
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001606933
1.
PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
1.
Perform self-diagnosis of ICC sensor integrated unit.
2.
Check if DTC “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “TCM CAN CIR1 [U0402]” (DTC
122) is detected.
Is any DTC detected?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CAN COMMUNICATION INSPECTION
Perform the CAN communication system
′
inspection. Repair or replace the applicable item. Refer to
.
>> GO TO 6.
3.
PERFORM SELF-DIAGNOSIS OF TCM
1.
Perform self-diagnosis of TCM.
2.
Check if DTC is detected. Refer to
.
Is any DTC detected?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
REPAIR OR REPLACE APPLICABLE ITEM
Repair or replace the applicable item identified by the self-diagnosis result.
>> GO TO 6.
5.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 6.
6.
CHECK ICC SYSTEM
DTC No.
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
U0402
(122)
TCM CAN CIR1
When a counter value of CAN signals received
from TCM does not change.
TCM
CCS-76
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
U0402 TCM CAN 1
1.
Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to
CCS-11, "ACTION TEST : Special Repair
Requirement (Vehicle-To-Vehicle Distance Control Mode)"
).
2.
Check that no abnormal condition is present in the ICC system.
>> INSPECTION END
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст