Infiniti EX35. Manual — part 384
CCS
U0402 TCM CAN 1
CCS-71
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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U0402 TCM CAN 1
Description
INFOID:0000000003130100
TCM transmits A/T control system signal to ICC sensor integrated unit with CAN communication.
DTC Logic
INFOID:0000000003130101
DTC DETECTION LOGIC
NOTE:
If DTC “U0402” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
.
Diagnosis Procedure
INFOID:0000000003130102
1.
PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
1.
Perform self-diagnosis of ICC sensor integrated unit.
2.
Check if DTC “U1000: CAN COMM CIRCUIT” (DTC 100) other than “U0402: TCM CAN CIR1” (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-8, "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-72
< 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-13, "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
U0415 VDC CAN 1
CCS-73
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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U0415 VDC CAN 1
Description
INFOID:0000000003130103
ABS actuator and electric unit (control unit) transmits VDC system signal to ICC sensor integrated unit with
CAN communication.
DTC Logic
INFOID:0000000003130104
DTC DETECTION LOGIC
NOTE:
If DTC “U0415” is detected along with DTC “U1000” or “U0121”, first diagnose the DTC “U1000” or “U0121”.
• DTC “U1000”: Refer to
.
Diagnosis Procedure
INFOID:0000000003130105
1.
PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
1.
Perform self-diagnosis of ICC sensor integrated unit.
2.
Check if DTC “U1000: CAN COMM CIRCUIT” (DTC 100) or “U0121: VDC CAN CIR2” (DTC 127) other
than “U0415: VDC CAN CIR1” (DTC 126) is detected.
Is any DTC detected?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
DIAGNOSIS FOR DETECTED DTC
Perform diagnosis on the detected DTC and repair or replace the applicable item. Refer to
.
>> GO TO 6.
3.
PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
1.
Perform self-diagnosis of ABS actuator and electric unit (control unit).
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-8, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 6.
DTC No.
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
U0415
(126)
VDC CAN CIR1
When a counter value of CAN signals received
from ABS actuator and electric unit (control unit)
does not change.
ABS actuator and electric unit (control
unit)
CCS-74
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
U0415 VDC CAN 1
6.
CHECK ICC SYSTEM
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-13, "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
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