Infiniti QX56 (Z62). Manual — part 281
DAS
C1A35 ACCELERATOR PEDAL ACTUATOR
DAS-161
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
C1A35 ACCELERATOR PEDAL ACTUATOR
DTC Logic
INFOID:0000000006228104
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:0000000006228105
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.
DAS-182, "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
DAS-162
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1A36 ACCELERATOR PEDAL ACTUATOR CAN COMM
C1A36 ACCELERATOR PEDAL ACTUATOR CAN COMM
DTC Logic
INFOID:0000000006228106
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
DAS-162, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006228107
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.
DAS-182, "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
DAS
C1A37 ACCELERATOR PEDAL ACTUATOR CAN 2
DAS-163
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
C1A37 ACCELERATOR PEDAL ACTUATOR CAN 2
DTC Logic
INFOID:0000000006228113
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
DAS-163, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006228114
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.
DAS-182, "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
DAS-164
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1A38 ACCELERATOR PEDAL ACTUATOR CAN 1
C1A38 ACCELERATOR PEDAL ACTUATOR CAN 1
DTC Logic
INFOID:0000000006228115
DTC DETECTION LOGIC
NOTE:
If DTC “C1A38” 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 “C1A38” is detected as the current malfunction in self-diagnosis results of “ICC/ADAS”.
Is “C1A38” detected as the current malfunction?
YES
>> Refer to
DAS-164, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006228116
1.
CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A38” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
DAS-182, "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.
Erases All self-diagnosis results.
4.
Perform “All DTC Reading” again.
5.
Check if the “C1A38” is detected in self-diagnosis results of “ICC/ADAS”.
Is “C1A38” 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
C1A38
(132)
APA CAN CIR1
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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