Infiniti QX56 (Z62). Manual — part 282
DAS
C1A39 STEERING ANGLE SENSOR
DAS-165
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
C1A39 STEERING ANGLE SENSOR
DTC Logic
INFOID:0000000006228117
DTC DETECTION LOGIC
NOTE:
If DTC “C1A39” 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 “C1A39” is detected as the current malfunction in self-diagnosis results of “ICC/ADAS”.
Is “C1A39” detected as the current malfunction?
YES
>> Refer to
DAS-165, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006228118
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A39” 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 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 ADAS control unit. Refer to
DAS-63, "Removal and Installation"
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A39
(39)
STRG SEN CIR
If the steering angle sensor is malfunction
Steering angle sensor
DAS-166
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1F01 ACCELERATOR PEDAL ACTUATOR
C1F01 ACCELERATOR PEDAL ACTUATOR
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC Logic
INFOID:0000000006228122
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the ignition switch OFF.
2.
Turn the ignition switch ON.
3.
Slowly depress the accelerator pedal completely, and then release it.
4.
Repeat step 3 several times.
5.
Perform “All DTC Reading” with CONSULT-III.
6.
Check if the DTC “C1F01” is detected as the current malfunction on the self-diagnosis results of “ICC/
ADAS”.
Is “C1F01” detected as the current malfunction?
YES
>> Refer to
DAS-166, "ADAS CONTROL UNIT : Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
ADAS CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006228123
1.
CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1F01” 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 “C1F01” is detected in “Self Diagnostic Result” of “ACCELE PEDAL ACT”.
Is “C1F01” detected?
YES
>> Refer to
DAS-166, "ACCELERATOR PEDAL ACTUATOR : DTC Logic"
NO
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
ACCELERATOR PEDAL ACTUATOR
ACCELERATOR PEDAL ACTUATOR : DTC Logic
INFOID:0000000006223586
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the ignition switch OFF.
2.
Turn the ignition switch ON.
3.
Slowly depress the accelerator pedal completely, and then release it.
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1F01
(91)
APA MOTOR MALF
If the accelerator pedal actuator motor error
is detected
Accelerator pedal actuator integrated
motor malfunction
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
C1F01
APA MOTOR MALF
If the accelerator pedal actuator motor error
is detected
Accelerator pedal actuator integrated
motor malfunction
DAS
C1F01 ACCELERATOR PEDAL ACTUATOR
DAS-167
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
4.
Repeat step 3 several times.
5.
Perform “All DTC Reading” with CONSULT-III.
6.
Check if the DTC “C1F01” is detected as the current malfunction on the self-diagnosis results of “ICC/
ADAS” or “ACCELE PEDAL ACT”.
Is “C1F01” detected as the current malfunction?
YES
>> Refer to
DAS-167, "ACCELERATOR PEDAL ACTUATOR : Diagnosis Procedure"
.
NO
>> Refer to
GI-40, "Intermittent Incident"
.
ACCELERATOR PEDAL ACTUATOR : Diagnosis Procedure
INFOID:0000000006223587
1.
REPLACE ACCELERATOR PEDAL ASSEMBLY
Perform DTC confirmation procedure. If “C1F01” is detected, replace the accelerator pedal assembly. Refer to
.
>> INSPECTION END
DAS-168
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1F02 ACCELERATOR PEDAL ACTUATOR
C1F02 ACCELERATOR PEDAL ACTUATOR
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC Logic
INFOID:0000000006228127
DTC DETECTION LOGIC
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 “C1F02” is detected as the current malfunction on the self-diagnosis results of “ICC/ADAS”.
Is “C1F02” detected as the current malfunction?
YES
>> Refer to
DAS-168, "ADAS CONTROL UNIT : Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
ADAS CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006228128
1.
CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1F02” 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 “C1F02” is detected in “Self Diagnostic Result” of “ACCELE PEDAL ACT”.
Is “C1F02” detected?
YES
>> Refer to
DAS-168, "ACCELERATOR PEDAL ACTUATOR : DTC Logic"
NO
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
ACCELERATOR PEDAL ACTUATOR
ACCELERATOR PEDAL ACTUATOR : DTC Logic
INFOID:0000000006223590
DTC DETECTION LOGIC
ACCELERATOR PEDAL ACTUATOR : Diagnosis Procedure
INFOID:0000000006223591
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 “C1F02” is detected as the current malfunction on the self-diagnosis results of “ACCELE
PEDAL ACT” or “ICC/ADAS”
Is “C1F02” detected as the current malfunction?
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
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
C1F02
APA C/U MALF
If the accelerator pedal actuator integrated
control unit error is detected
Accelerator pedal actuator integrated
control unit malfunction
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