Infiniti QX56 (Z62). Manual - part 283

DAS

C1F02 ACCELERATOR PEDAL ACTUATOR

DAS-169

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

YES

>> Replace the accelerator pedal assembly. Refer to 

DAS-213, "Exploded View"

.

NO

>> INSPECTION END

DAS-170

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C1F03 ACCELERATOR PEDAL ACTUATOR

C1F03 ACCELERATOR PEDAL ACTUATOR

DTC Logic

INFOID:0000000006223592

DTC DETECTION LOGIC

NOTE:
When the accelerator pedal actuator operates excessively, “C1F03” may be detected temporarily.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn the ignition switch OFF.

2.

Wait for 10 minutes or more and cool the accelerator pedal actuator integrated motor.

3.

Drive the vehicle with DCA system ON and operate the system.

CAUTION:

Always drive safely.

4.

Stop the vehicle.

5.

Perform “All DTC Reading” with CONSULT-III.

6.

Check if the DTC “C1F03” is detected as the current malfunction in self-diagnosis results of “ACCELE
PEDAL ACT”.

Is “C1F03” detected as the current malfunction?

YES

>> Refer to 

DAS-170, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-40, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000006223593

1.

REPLACE ACCELERATOR PEDAL ASSEMBLY

Perform DTC confirmation procedure. If “C1F03” is detected, replace the accelerator pedal assembly. Refer to

DAS-213, "Exploded View"

.

>> INSPECTION END

DTC

Trouble diagnosis 

name

DTC detecting condition

Possible causes

C1F03

APA HI TEMP

• The temperature of the motor integrated in the 

accelerator pedal actuator remains 100

°

C 

(212

°

F) or more for 0.4 seconds or more

• The temperature of the motor drive circuit inte-

grated in the accelerator pedal actuator remains 
120

°

C (248

°

F) or more for 0.4 seconds or more

Accelerator pedal actuator integrated 
motor malfunction

DAS

C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT

DAS-171

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT

ADAS CONTROL UNIT

ADAS CONTROL UNIT : DTC Logic

INFOID:0000000006228129

DTC DETECTION 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 “C1F05” is detected as the current malfunction on the self-diagnosis results of “ICC/ADAS”. 

Is “C1F05” detected as the current malfunction?

YES

>> Refer to 

DAS-171, "ADAS CONTROL UNIT : Diagnosis Procedure"

.

NO

>> Refer to 

GI-40, "Intermittent Incident"

.

ADAS CONTROL UNIT : Diagnosis Procedure

INFOID:0000000006228130

1.

CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “C1F05” 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 “C1F05” is detected in “Self Diagnostic Result” of “ACCELE PEDAL ACT”. 

Is “C1F05” detected?

YES

>> Refer to 

DAS-171, "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:0000000006223596

DTC DETECTION 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. 

DTC

(On board 

display)

Trouble diagnosis name

DTC detecting condition

Possible causes

C1F05

(95)

APA PWR SUPLY CIR

The battery voltage sent to accelerator pedal 
actuator remains less than 7.9 V or more than 
19.3 V for 5 seconds

• Harness, connector, or fuse
• Accelerator pedal actuator

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

C1F05

APA PWR SUPLY CIR

The battery voltage sent to accelerator pedal 
actuator remains less than 7.9 V or more than 
19.3 V for 5 seconds

• Harness, connector, or fuse
• Accelerator pedal actuator

DAS-172

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C1F05 ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT

4.

Check if the “C1F05” is detected as the current malfunction on the self-diagnosis results of “ACCELE
PEDAL ACT”. 

Is “C1F05” detected as the current malfunction?

YES

>> Refer to 

DAS-172, "ACCELERATOR PEDAL ACTUATOR : Diagnosis Procedure"

.

NO

>> Refer to 

GI-40, "Intermittent Incident"

. 

ACCELERATOR PEDAL ACTUATOR : Diagnosis Procedure

INFOID:0000000006223597

1.

CHECK POWER SUPPLY CIRCUIT

Check the accelerator pedal actuator power supply circuit. Refer to

DAS-195, "ACCELERATOR PEDAL

ACTUATOR : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace the accelerator pedal assembly. Refer to 

DAS-213, "Exploded View"

.

NO

>> Repair or replace the malfunctioning parts.