Infiniti FX35, FX50 (S51). Manual - part 374

CCS-316

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

U1010 CONTROL UNIT (CAN)

U1010 CONTROL UNIT (CAN)

ICC SENSOR INTEGRATED UNIT

ICC SENSOR INTEGRATED UNIT : Description

INFOID:0000000005501977

• CAN controller controls the communication of CAN communication signal and the error detection. 
• CAN controller controls the communication of ITS communication signal and the error detection.

ICC SENSOR INTEGRATED UNIT : DTC Logic

INFOID:0000000005501978

DTC DETECTION LOGIC

ICC SENSOR INTEGRATED UNIT : Diagnosis Procedure

INFOID:0000000005501979

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn the DCA system ON. 

2.

Perform “All DTC Reading” with CONSULT-III. 

3.

Check if the “U1010” is detected as the current malfunction in self-diagnosis results of “ICC”. 

Is “U1010” detected as the current malfunction?

YES

>> Replace the ICC sensor integrated unit. 

NO

>> INSPECTION END

ICC SENSOR INTEGRATED UNIT : Special Repair Requirement

INFOID:0000000005501980

DESCRIPTION

Perform the action test after adjusting the laser beam aiming of ICC sensor integrated unit when the following
operation is performed. 
• Removal and installation of ICC sensor integrated unit
• Replacement of ICC sensor integrated unit

SPECIAL REPAIR REQUIREMENT

1.

LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT

Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to 

CCS-13, "LASER BEAM AIMING

ADJUSTMENT : Description"

. 

>> GO TO 2.

2.

CHECK DCA SYSTEM

1.

Erase the “self-diagnosis results”, and then perform “All DTC Reading” again after performing the action
test. (Refer to 

CCS-191, "ACTION TEST : Description"

 for action test.)

2.

Check that the DCA system is normal. 

>> WORK END

ACCELERATOR PEDAL ACTUATOR

ACCELERATOR PEDAL ACTUATOR : Description

INFOID:0000000005501981

CAN controller controls the communication of ITS communication signal and the error detection. 

DTC

(On board 

display)

Trouble diagnosis name

DTC detecting condition

Possible causes

U1010

(110)

CONTROL UNIT (CAN)

If ICC sensor integrated unit detects malfunc-
tion by CAN controller initial diagnosis

ICC sensor integrated unit

CCS

U1010 CONTROL UNIT (CAN)

CCS-317

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

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ACCELERATOR PEDAL ACTUATOR : DTC Logic

INFOID:0000000005501982

DTC DETECTION LOGIC

ACCELERATOR PEDAL ACTUATOR : Diagnosis Procedure

INFOID:0000000005501983

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn the DCA system ON. 

2.

Perform “All DTC Reading” with CONSULT-III. 

3.

Check if the DTC “U1010” is detected as the current malfunction in self-diagnosis results of “ACCELE
PEDAL ACT”. 

Is “U1010” detected as the current malfunction?

YES

>> Replace the accelerator pedal assembly. 

NO

>> INSPECTION END

ACCELERATOR PEDAL ACTUATOR : Special Repair Requirement

INFOID:0000000005501984

DESCRIPTION

The accelerator pedal released position learning is necessary when the following operation is performed. 
• Disconnection and connection of accelerator pedal assembly connector
• Replace accelerator pedal assembly

SPECIAL REPAIR REQUIREMENT

1.

ACCELERATOR PEDAL RELEASED POSITION LEARNING

Perform the accelerator pedal released position learning. Refer to 

EC-25, "ACCELERATOR PEDAL

RELEASED POSITION LEARNING : Description"

 (VQ35HR) or 

EC-581, "ACCELERATOR PEDAL

RELEASED POSITION LEARNING : Description"

 (VK50VE). 

>> GO TO 2.

2.

CHECK DCA SYSTEM

1.

Erase the “self-diagnosis results”, and then perform “All DTC Reading” again after performing the action
test. (Refer to 

CCS-191, "ACTION TEST : Description"

 for action test.)

2.

Check that the DCA system is normal. 

>> WORK END

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

U1010

CONTROL UNIT (CAN)

If accelerator pedal actuator detects malfunc-
tion by CAN controller initial diagnosis.

Accelerator pedal actuator

CCS-318

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

ICC SENSOR INTEGRATED UNIT

ICC SENSOR INTEGRATED UNIT : Diagnosis Procedure

INFOID:0000000005501985

1.

CHECK FUSES

Check if any of the following fuses are blown:

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

2.

CHECK ICC SENSOR INTEGRATED UNIT POWER SUPPLY CIRCUIT 

1.

Turn the ignition switch ON.

2.

Check voltage between ICC sensor integrated unit harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the ICC sensor integrated unit power supply circuit. 

3.

CHECK ICC SENSOR INTEGRATED UNIT GROUND CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect the ICC sensor integrated unit connector. 

3.

Check for continuity between ICC sensor integrated unit harness connector and ground. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair the ICC sensor integrated unit ground circuit. 

BRAKE BOOSTER CONTROL UNIT

BRAKE BOOSTER CONTROL UNIT : Diagnosis Procedure

INFOID:0000000005501986

1.

CHECK FUSES

Check if any of the following fuses are blown:

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

Signal name

Fuse No.

Ignition power supply

45

Terminal

Voltage

(Approx.)

(+)

(–)

ICC sensor integrated unit

Ground

Connector

Terminal

E67

1

Battery voltage

ICC sensor integrated unit

Ground

Continuity

Connector

Terminal

E67

4

Existed

Signal name

Fuse No.

Battery power supply

33

Ignition power supply

45

CCS

POWER SUPPLY AND GROUND CIRCUIT

CCS-319

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

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2.

CHECK BRAKE BOOSTER CONTROL UNIT POWER SUPPLY CIRCUIT

1.

Turn the ignition switch ON.

2.

Check voltage between brake booster control unit harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the brake booster control unit power supply circuit. 

3.

CHECK BRAKE BOOSTER CONTROL UNIT GROUND CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect brake booster control unit connector. 

3.

Check for continuity between brake booster control unit harness connector and ground. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair the brake booster control unit ground circuit. 

ACCELERATOR PEDAL ACTUATOR

ACCELERATOR PEDAL ACTUATOR : Diagnosis Procedure

INFOID:0000000005501987

1.

CHECK FUSES

Check if any of the following fuses are blown:

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

2.

CHECK ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect the accelerator pedal actuator connector. 

3.

Check voltage between accelerator pedal actuator harness connector and ground. 

Terminal

Condition

Voltage

(Approx.)

(+)

(–)

Brake booster control unit

Ground

Ignition 

switch

Connector

Terminal

B250

1

OFF

Battery volt-

age

2

B249

33

ON

42

Brake booster control unit

Ground

Continuity

Connector

Terminal

B250

19

Existed

20

B249

46

Power supply

Fuse No.

Battery power supply

61

Ignition power supply

45