Infiniti QX56 (Z62). Manual - part 281

 

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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 

DAS-182,

"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.

Refer to 

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

DAS-108, "DTC Index"

.

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 

DAS-182,

"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.

Refer to 

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

DAS-108, "DTC Index"

.

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 

DAS-182,

"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.

Refer to 

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 

DAS-182,

"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.

Refer to 

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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