Infiniti FX35, FX50 (S51). Manual — part 367
CCS-288
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1F02 ACCELERATOR PEDAL ACTUATOR
C1F02 ACCELERATOR PEDAL ACTUATOR
Description
INFOID:0000000005501917
• The accelerator pedal actuator is integrated into the accelerator pedal assembly.
• The accelerator pedal actuator consists of the control unit and motor.
DTC Logic
INFOID:0000000005501918
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000005501919
1.
PERFORM THE SELF-DIAGNOSIS
1.
Start the engine.
2.
Turn the DCA system ON.
3.
Perform “All DTC Reading” with CONSULT-III.
4.
Check if the DTC “C1F02” is detected as the current malfunction on the self-diagnosis results of “ICC” or
“ACCELE PEDAL ACT”.
Is “C1F02” detected as the current malfunction?
YES
>> Replace the accelerator pedal assembly.
NO
>> INSPECTION END
Special Repair Requirement
INFOID:0000000005501920
DESCRIPTION
The accelerator pedal released position learning is necessary when the following operation is performed.
• Disconnection and connection of accelerator pedal assembly connector
• Replace accelerator pedal assembly
SPECIAL REPAIR REQUIREMENT
1.
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 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
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1F02
(92)
APA C/U MALF
If the accelerator pedal actuator integrated
control unit error is detected
Accelerator pedal actuator integrated
control unit malfunction
CCS
C1F03 ACCELERATOR PEDAL ACTUATOR
CCS-289
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
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C1F03 ACCELERATOR PEDAL ACTUATOR
Description
INFOID:0000000005501921
The accelerator pedal actuator is integrated into with a temperature sensor.
DTC Logic
INFOID:0000000005501922
DTC DETECTION LOGIC
NOTE:
When the accelerator pedal actuator operates excessively, “C1F03” may be detected temporarily.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the ignition switch OFF.
2.
Wait for 10 minutes or more and cool the accelerator pedal actuator integrated motor.
3.
Drive the vehicle with DCA switch ON and operate the system.
CAUTION:
Always drive safely.
4.
Stop the vehicle.
5.
Perform “All DTC Reading” with CONSULT-III.
6.
Check if the DTC “C1F03” is detected as the current malfunction in self-diagnosis results of “ACCELE
PEDAL ACT”.
Is “C1F03” detected as the current malfunction?
YES
>> Refer to
CCS-289, "Diagnosis Procedure"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000005501923
1.
REPLACE ACCELERATOR PEDAL ASSEMBLY
Perform DTC confirmation procedure. If “C1F03” is detected, replace the accelerator pedal assembly. Refer to
>> INSPECTION END
Special Repair Requirement
INFOID:0000000005501924
DESCRIPTION
The accelerator pedal released position learning is necessary when the following operation is performed.
• Disconnection and connection of accelerator pedal assembly connector
• Replace accelerator pedal assembly
SPECIAL REPAIR REQUIREMENT
1.
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 2.
2.
CHECK DCA SYSTEM
DTC
Trouble diagnosis
name
DTC detecting condition
Possible causes
C1F03
APA HI TEMP
If the accelerator pedal actuator integrated motor
temperature is excessively high
Accelerator pedal actuator integrated
motor malfunction
CCS-290
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1F03 ACCELERATOR PEDAL ACTUATOR
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
C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
CCS-291
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
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C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT
Description
INFOID:0000000005501925
Power is supplied from ignition power supply and battery power supply to the accelerator pedal actuator.
DTC Logic
INFOID:0000000005501926
DTC DETECTION 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 “C1F05” is detected as the current malfunction on the self-diagnosis results of “ICC” or
“ACCELE PEDAL ACT”.
Is “C1F05” detected as the current malfunction?
YES
>> Refer to
CCS-291, "Diagnosis Procedure"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000005501927
1.
CHECK POWER SUPPLY CIRCUIT
Check the accelerator pedal actuator power supply circuit. Refer to
ACTUATOR : Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> Replace the accelerator pedal assembly.
NO
>> Repair or replace the malfunctioning parts.
Special Repair Requirement
INFOID:0000000005501928
DESCRIPTION
The accelerator pedal released position learning is necessary when the following operation is performed.
• Disconnection and connection of accelerator pedal assembly connector
• Replace accelerator pedal assembly
SPECIAL REPAIR REQUIREMENT
1.
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 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.
DTC
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1F05
(95)
APA PWR SUPLY CIR
The voltage input to accelerator pedal actuator
is excessively low (approximately 8 V or less)
or excessively high (approximately 19 V or
more).
• Harness, connector, or fuse
• Accelerator pedal actuator
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