Infiniti FX35, FX50 (S51). Manual — part 364
CCS-276
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1A36 ACCELERATOR PEDAL ACTUATOR CAN COMM
• Disconnection and connection of accelerator pedal position sensor connector
• Replace accelerator pedal assembly
SPECIAL REPAIR REQUIREMENT
1.
CHECK CONTROL UNIT REPLACED, REMOVED AND/OR INSTALLED
Perform the adjustment work after the replacement or removal and installation of ICC sensor integrated unit,
replacement of accelerator pedal assembly, or disconnection or connection of accelerator pedal position sen-
sor connector.
Which is replaced, removed or installed?
ICC sensor integrated unit>>GO TO 2.
Accelerator pedal assembly>>GO TO 3.
2.
LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT
Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to
>> GO TO 4.
3.
ACCELERATOR PEDAL RELEASED POSITION LEARNING
Perform the Accelerator Pedal Released Position Learning. Refer to
RELEASED POSITION LEARNING : Description"
(VQ35HR) or
RELEASED POSITION LEARNING : Description"
(VK50VE).
>> GO TO 4.
4.
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
C1A37 ACCELERATOR PEDAL ACTUATOR CAN 2
CCS-277
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C
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C1A37 ACCELERATOR PEDAL ACTUATOR CAN 2
Description
INFOID:0000000005501895
• ITS communication is a multiplex communication system. This enables the system to transmit and receive
large quantities of data at high speed by connecting ICC sensor integrated unit, brake booster control unit,
and accelerator pedal actuator with 2 communication lines.
• ITS communication lines adopt twisted-pair line style (two lines twisted) for noise immunity.
DTC Logic
INFOID:0000000005501896
DTC DETECTION LOGIC
NOTE:
If DTC “C1A37” 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 “C1A37” is detected as the current malfunction in self-diagnosis results of “ICC”.
Is “C1A37” detected as the current malfunction?
YES
>> Refer to
CCS-277, "Diagnosis Procedure"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000005501897
1.
CHECK ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A37” 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 ACCELERATOR PEDAL ASSEMBLY
1.
Turn the ignition switch OFF.
2.
Replace the accelerator pedal assembly.
3.
Turn the ignition switch ON.
4.
Erases All self-diagnosis results.
5.
Perform “All DTC Reading” again.
6.
Check if the DTC “C1A37” is detected in self-diagnosis results of “ICC”.
Is “C1A37” detected?
YES
>> Replace the ICC sensor integrated unit. Refer to
NO
>> INSPECTION END
Special Repair Requirement
INFOID:0000000005501898
DESCRIPTION
Perform the action test after adjusting the laser beam aiming of ICC sensor integrated unit when the following
operation is performed.
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A37
(133)
APA CAN CIR2
If ICC sensor integrated unit detects an error
signal that is received from accelerator pedal
actuator via ITS communication
Accelerator pedal actuator malfunction
CCS-278
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1A37 ACCELERATOR PEDAL ACTUATOR CAN 2
• Removal and installation of ICC sensor integrated unit
• Replacement of ICC sensor integrated unit
Check the operation after performing the accelerator pedal released position learning when the following oper-
ation is performed.
• Disconnection and connection of accelerator pedal position sensor connector
• Replace accelerator pedal assembly
SPECIAL REPAIR REQUIREMENT
1.
CHECK CONTROL UNIT REPLACED, REMOVED AND/OR INSTALLED
Perform the adjustment work after the replacement or removal and installation of ICC sensor integrated unit,
replacement of accelerator pedal assembly, or disconnection or connection of accelerator pedal position sen-
sor connector.
Which is replaced, removed or installed?
ICC sensor integrated unit>>GO TO 2.
Accelerator pedal assembly>>GO TO 3.
2.
LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT
Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to
>> GO TO 4.
3.
ACCELERATOR PEDAL RELEASED POSITION LEARNING
Perform the Accelerator Pedal Released Position Learning. Refer to
RELEASED POSITION LEARNING : Description"
(VQ35HR) or
RELEASED POSITION LEARNING : Description"
(VK50VE).
>> GO TO 4.
4.
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
C1A38 ACCELERATOR PEDAL ACTUATOR CAN 1
CCS-279
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
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C1A38 ACCELERATOR PEDAL ACTUATOR CAN 1
Description
INFOID:0000000005501899
• ITS communication is a multiplex communication system. This enables the system to transmit and receive
large quantities of data at high speed by connecting ICC sensor integrated unit, brake booster control unit,
and accelerator pedal actuator with 2 communication lines.
• ITS communication lines adopt twisted-pair line style (two lines twisted) for noise immunity.
DTC Logic
INFOID:0000000005501900
DTC DETECTION LOGIC
NOTE:
If DTC “C1A38” 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 “C1A38” is detected as the current malfunction in self-diagnosis results of “ICC”.
Is “C1A38” detected as the current malfunction?
YES
>> Refer to
CCS-279, "Diagnosis Procedure"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000005501901
1.
CHECK ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A38” 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 ACCELERATOR PEDAL ASSEMBLY
1.
Turn the ignition switch OFF.
2.
Replace the accelerator pedal assembly.
3.
Erases All self-diagnosis results.
4.
Perform “All DTC Reading” again.
5.
Check if the “C1A38” is detected in self-diagnosis results of “ICC”.
Is “C1A38” detected?
YES
>> Replace the ICC sensor integrated unit. Refer to
NO
>> INSPECTION END
Special Repair Requirement
INFOID:0000000005501902
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
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A38
(132)
APA CAN CIR1
If ICC sensor integrated unit detects an error
signal that is received from accelerator pedal
actuator via ITS communication
Accelerator pedal actuator malfunction
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