Infiniti QX56 (Z62). Manual — part 213
CCS
C1A34 COMMAND ERROR
CCS-119
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C
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N
P
A
C1A34 COMMAND ERROR
DTC Logic
INFOID:0000000006224355
DTC DETECTION LOGIC
NOTE:
If DTC “C1A34” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
"ADAS CONTROL UNIT : DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Operate the ICC system and drive.
CAUTION:
Always drive safely.
3.
Stop the vehicle.
4.
Perform “All DTC Reading” with CONSULT-III.
5.
Check if the “C1A34” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is “C1A34” detected as the current malfunction?
YES
>> Refer to
CCS-119, "Diagnosis Procedure"
.
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006224356
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A34” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ADAS CONTROL UNIT : DTC Logic"
NO
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A34
(34)
COMMAND ERROR
If an error occurs in the command signal that
ADAS control unit transmits to ECM via CAN
communication
ADAS control unit
CCS-120
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C1A35 ACCELERATOR PEDAL ACTUATOR
C1A35 ACCELERATOR PEDAL ACTUATOR
DTC Logic
INFOID:0000000006224357
DTC DETECTION LOGIC
NOTE:
If DTC “C1A35” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
"ADAS CONTROL UNIT : DTC Logic"
Diagnosis Procedure
INFOID:0000000006224358
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 “C1A35” is detected as the current malfunction in self-diagnosis results of “ICC/ADAS”.
Is “C1A35” detected as the current malfunction?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A35” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ADAS CONTROL UNIT : DTC Logic"
.
NO
>> GO TO 3.
3.
CHECK ACCELERATOR PEDAL ACTUATOR SELF-DIAGNOSIS RESULTS
Check if the DTC is detected in “Self Diagnostic Result” of “ACCELE PEDAL ACT”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
NO
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A35
(35)
APA CIR
If the accelerator pedal actuator is malfunc-
tioning
Accelerator pedal actuator
CCS
C1A36 ACCELERATOR PEDAL ACTUATOR CAN COMM
CCS-121
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
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A
C1A36 ACCELERATOR PEDAL ACTUATOR CAN COMM
DTC Logic
INFOID:0000000006224359
DTC DETECTION LOGIC
NOTE:
If DTC “C1A36” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
"ADAS CONTROL 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 “C1A36” is detected as the current malfunction in self-diagnosis results of “ICC/ADAS”.
Is “C1A36” detected as the current malfunction?
YES
>> Refer to
CCS-121, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006224360
1.
CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A36” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ADAS CONTROL UNIT : DTC Logic"
NO
>> GO TO 2.
2.
CHECK ACCELERATOR PEDAL ACTUATOR SELF-DIAGNOSIS RESULTS
Check if the DTC is detected in “Self Diagnostic Result” of “ACCELE PEDAL ACT”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
NO
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A36
(36)
APA CAN COMM CIR
If an error occurs in the signal that the accel-
erator pedal actuator transmits via ITS com-
munication
• ADAS control unit
• Accelerator pedal actuator
• ITS communication system
CCS-122
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C1A37 ACCELERATOR PEDAL ACTUATOR CAN 2
C1A37 ACCELERATOR PEDAL ACTUATOR CAN 2
DTC Logic
INFOID:0000000006224361
DTC DETECTION LOGIC
NOTE:
If DTC “C1A37” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
"ADAS CONTROL 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/ADAS”.
Is “C1A37” detected as the current malfunction?
YES
>> Refer to
CCS-122, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006224362
1.
CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A37” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ADAS CONTROL 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/ADAS”.
Is “C1A37” detected?
YES
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
NO
>> INSPECTION END
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A37
(133)
APA CAN CIR2
If ADAS control unit detects an error signal
that is received from accelerator pedal actu-
ator via ITS communication
Accelerator pedal actuator malfunction
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