Infiniti QX56 (Z62). Manual — part 215
CCS
C1A40 SYSTEM SWITCH CIRCUIT
CCS-127
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
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4.
CHECK IBA OFF SWITCH GROUND CIRCUIT
Check for continuity between IBA OFF switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair the harnesses or connectors.
5.
CHECK IBA OFF SWITCH
1.
Turn the ignition switch OFF.
2.
Disconnect the IBA OFF switch connector.
3.
Check the IBA OFF switch. Refer to
CCS-127, "Component Inspection (IBA OFF Switch)"
.
Is the inspection result normal?
YES
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
NO
>> Replace the IBA OFF switch.
Component Inspection (IBA OFF Switch)
INFOID:0000000006224371
1.
CHECK IBA OFF SWITCH
Check for continuity of IBA OFF switch.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the IBA OFF switch.
IBA OFF switch
Ground
Continuity
Connector
Terminal
M93
6
Existed
Terminal
Condition
Continuity
6
7
When the IBA OFF switch is pressed
Existed
When the IBA OFF switch is released
Not existed
CCS-128
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C1A50 ADAS CONTROL UNIT
C1A50 ADAS CONTROL UNIT
DTC Logic
INFOID:0000000006224372
DTC DETECTION LOGIC
NOTE:
If DTC “C1A50” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
.
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the MAIN switch of ICC system ON.
3.
Perform “All DTC Reading” with CONSULT-III.
4.
Check if the “C1A50” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is “C1A50” detected as the current malfunction?
YES
>> Refer to
CCS-128, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006224373
1.
CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A50” in “Self Diagnostic Result” of “LASER”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ICC SENSOR : DTC Logic"
NO
>> GO TO 2.
2.
CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “ICC/ADAS”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
.
NO
>> Replace the ICC sensor. Refer to
DTC
Trouble diagnosis name
DTC detecting condition
Possible cause
C1A50
ADAS MALFUNCTION
If ADAS control unit is malfunctioning
ADAS control unit
CCS
C1F01 ACCELERATOR PEDAL ACTUATOR
CCS-129
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
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C1F01 ACCELERATOR PEDAL ACTUATOR
DTC Logic
INFOID:0000000006224374
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
CCS-129, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006224375
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.
CCS-145, "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"
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
CCS-130
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C1F02 ACCELERATOR PEDAL ACTUATOR
C1F02 ACCELERATOR PEDAL ACTUATOR
DTC Logic
INFOID:0000000006224376
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
CCS-130, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006224377
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.
CCS-145, "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-166, "ACCELERATOR PEDAL ACTUATOR : 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
C1F02
(92)
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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