Infiniti FX35, FX50 (S51). Manual — part 372
CCS-308
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
U0415 VDC CAN 1
1.
LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT
Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to
>> GO TO 2.
2.
CHECK DCA SYSTEM
1.
Erase the “self-diagnosis results”, and then perform “All DTC Reading” again after performing the action
test. (Refer to
CCS-191, "ACTION TEST : Description"
for action test.)
2.
Check that the DCA system is normal.
>> WORK END
CCS
U0418 BCU CAN 1
CCS-309
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
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U0418 BCU CAN 1
Description
INFOID:0000000005501961
The brake booster control unit transmits the signal related to brake control to ICC sensor integrated unit via
ITS communication.
DTC Logic
INFOID:0000000005501962
DTC DETECTION LOGIC
NOTE:
If DTC “U0418” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
SENSOR INTEGRATED UNIT : DTC Logic"
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the DCA system ON.
3.
Perform “All DTC Reading” with CONSULT-III.
4.
Check if the “U0418” is detected as the current malfunction in self-diagnosis results of “ICC”.
Is “U0418” detected as the current malfunction?
YES
>> Refer to
CCS-309, "Diagnosis Procedure"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000005501963
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0418” in “Self Diagnostic Result” of “ICC”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-313, "ICC SENSOR INTEGRATED UNIT : DTC Logic"
.
NO
>> GO TO 2.
2.
REPLACE BRAKE BOOSTER CONTROL UNIT
1.
Turn the ignition switch OFF.
2.
Replace the brake booster control unit.
3.
Erases All self-diagnosis results.
4.
Perform DTC confirmation procedure. Refer to
5.
Perform “All DTC Reading”.
6.
Check if the “U0418” is detected in “Self Diagnostic Result” of “ICC”.
Is “U0418” detected?
YES
>> Replace the ICC sensor integrated unit. Refer to
NO
>> INSPECTION END
Special Repair Requirement
INFOID:0000000005501964
DESCRIPTION
Perform the action test after adjusting the laser beam aiming of ICC sensor integrated unit when the following
operation is performed.
• Removal and installation of ICC sensor integrated unit
• Replacement of ICC sensor integrated unit
DTC
(On board dis-
play)
Trouble diagnosis
name
DTC detecting condition
Possible causes
U0418
(124)
BCU CAN CIR1
If ICC sensor integrated unit detects an error
signal that is received from brake booster con-
trol unit via CAN communication
Brake booster control unit
CCS-310
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
U0418 BCU CAN 1
SPECIAL REPAIR REQUIREMENT
1.
LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT
Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to
>> GO TO 2.
2.
CHECK DCA SYSTEM
1.
Erase the “self-diagnosis results”, and then perform “All DTC Reading” again after performing the action
test. (Refer to
CCS-191, "ACTION TEST : Description"
for action test.)
2.
Check that the DCA system is normal.
>> WORK END
CCS
U0428 STRG SEN CAN 2
CCS-311
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
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U0428 STRG SEN CAN 2
Description
INFOID:0000000005501965
It detects the rotation amount, rotation speed, and rotation direction of steering wheel, and then transmits them
to ICC sensor integrated unit via CAN communication.
DTC Logic
INFOID:0000000005501966
DTC DETECTION LOGIC
NOTE:
If DTC “U0428” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
SENSOR INTEGRATED UNIT : DTC Logic"
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the DCA system ON.
3.
Perform “All DTC Reading” with CONSULT-III.
4.
Check if the “U0428” is detected as the current malfunction in self-diagnosis results of “ICC”.
Is “U0428” detected as the current malfunction?
YES
>> Refer to
CCS-311, "Diagnosis Procedure"
.
NO
>> Refer to
GI-36, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000005501967
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0428” in “Self Diagnostic Result” of “ICC”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-313, "ICC SENSOR INTEGRATED UNIT : DTC Logic"
.
NO
>> GO TO 2.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “ABS”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
NO
>> Replace the ICC sensor integrated unit. Refer to
Special Repair Requirement
INFOID:0000000005501968
DESCRIPTION
Perform the action test after adjusting the laser beam aiming of ICC sensor integrated unit when the following
operation is performed.
• Removal and installation of ICC sensor integrated unit
• Replacement of ICC sensor integrated unit
SPECIAL REPAIR REQUIREMENT
1.
LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
U0428
(131)
STRG SEN CAN CIR2
If ICC sensor integrated unit detects an error
signal that is received from steering angle sen-
sor via CAN communication
Steering angle sensor
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