Infiniti M35/M45 Y50. Manual - part 12

 

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Infiniti M35/M45 Y50. Manual - part 12

 

 

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

ACS-41

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

14

ECM CIRCUIT

[C1A14]

×

×

×

×

ECM malfunction.

Accelerator pedal position sensor 
malfunction.

ICC sensor integrated unit mal-
function.

ACS-56

15

GEAR POSITION 

[C1A15]

×

×

×

TCM malfunction.

A/T turbine revolution sensor mal-
function.

A/T vehicle speed sensor mal-
function.

ACS-57

16

RADAR STAIN

[C1A16]

×

×

×

ICC sensor integrated unit body 
window has contamination.

ACS-58

18

LASER AIMING INCMP

[C1A18]

×

×

×

Laser beam aiming of ICC sensor 
integrated unit is not adjusted.

ACS-58

21

UNIT HIGH TEMP

[C1A21]

×

×

×

Temperature around ICC sensor 
integrated unit is excessively high.

ACS-58

24

NP RANGE

[C1A24]

×

×

×

Park/neutral position switch mal-
function. 

TCM malfunction.

ACS-59

25 

SHIFT RANGE IND

[C1A25]

×

×

×

TCM malfunction.

ACS-59

26

ECD MODE MALF

[C1A26]

×

×

×

ABS actuator and electric unit 
(control unit) malfunction.

ICC sensor integrated unit mal-
function.

ACS-60

27

ECD PWR SUPLY CIR

[C1A27]

×

×

×

×

ABS actuator and electric unit 
(control unit) power supply voltage 
is excessively low.

ABS actuator and electric unit 
(control unit) malfunction.

ACS-60

55

NO DTC IS DETECTED.

FURTHER TESTING

MAY BE REQUIRED.

No malfunction item has been 
detected. 

100

CAN COMM CIRCUIT

[U1000]

×

×

×

×

ICC sensor integrated unit detects 
CAN communication malfunction.

ACS-61

110

CONTROL UNIT (CAN)

[U1010]

×

×

×

×

ICC sensor integrated unit detects 
malfunction by CAN initial diagno-
sis.

ACS-61

DTC 

No.

CONSULT-II 

screen terms

ICC 

system 

warning 

lamp

Fail-safe

Malfunctions detected where...

Refer-

ence 
page

Vehicle-

to-

vehicle

 distance 

control 

mode

Conven-

tional 
(fixed 

speed) 

cruise 

control 

mode

Brake 
assist 

(with 

preview 

function)

ACS-42

[ICC]

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

DTC 0 CONTROL UNIT

NKS004D0

1. 

PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS

1.

Perform self-diagnosis.

2.

Check if any item other than “CONTROL UNIT [C1A00]” (DTC 0) is indicated on self-diagnosis display.

Is any indicated?

YES

>> 1. Repair or replace applicable item. Refer to 

ACS-40, "Diagnostic Trouble Code (DTC) Chart"

 .

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

NO

>> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

DTC 1 POWER SUPPLY CIR, DTC 2 POWER SUPPLY CIR 2

NKS004D1

1. 

CHECK CONNECTOR ICC SENSOR INTEGRATED UNIT

1.

Turn ignition switch OFF.

2.

Disconnect ICC sensor integrated unit connector, and connect it securely again.

3.

Erase DTC and perform ICC running test. Then perform self-diagnosis of ICC system again.

4.

Check if “POWER SUPPLY CIR [C1A01]” (DTC 1) or “ POWER SUPPLY CIR 2 [C1A02]” (DTC 2) is indi-
cated in self-diagnosis item in the display.

Is malfunction indicated?

YES

>> GO TO 2.

NO

>> Poor connector connection

1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-

minals. If any malfunction is detected, repair applicable part.)

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

2. 

CHECK POWER SUPPLY CIRCUIT FOR ICC SENSOR INTEGRATED UNIT

1.

Turn ignition switch OFF.

2.

Disconnect ICC sensor integrated unit connector.

3.

Turn ignition switch ON.

4.

Check voltage between ICC sensor integrated unit harness con-
nector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> 1. Repair or replace ICC sensor integrated unit power

supply harness or fuse.

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

Terminals

Voltage

(Approx.)

(+)

(–)

ICC sensor integrated 
unit connector

Terminal

E61

1 Ground

Battery 

voltage

PKIB8375E

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

ACS-43

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

3. 

CHECK GROUND CIRCUIT FOR ICC SENSOR INTEGRATED UNIT

1.

Turn ignition switch OFF.

2.

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

OK or NG

OK

>> 1. Replace ICC sensor integrated unit, and adjust laser

beam aiming.

2. Erase DTC and perform ICC system running test.

Then perform self-diagnosis of ICC system again.

NG

>> 1. Repair or replace ICC sensor integrated unit ground harness.

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

DTC 3 VHCL SPEED SE CIRC

NKS004D2

1. 

PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS

1.

Perform self-diagnosis.

2.

Check if “ABS/TCS/VDC CIRC [C1A04]” (DTC 4) or “CAN COMM CIRCUIT [U1000]” (DTC 100) other
than “VHCL SPEED SE CIRC [C1A03]” (DTC 3) is indicated in self-diagnosis item in the display.

Is any indicated?

YES

>> 1. Repair or replace applicable item. Refer to 

ACS-40, "Diagnostic Trouble Code (DTC) Chart"

 .

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

NO

>> GO TO 2.

2. 

CHECK A/T VEHICLE SPEED SENSOR

 With CONSULT-II

With “ICC” “DATA MONITOR”, check if “VHCL SPD AT” operates normally. 

OK or NG

OK

>> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

NG

>> 1. Perform “A/T” self-diagnosis. Refer to 

AT-90, "CONSULT-II Function (A/T)"

 .

2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.

Then perform self-diagnosis of ICC system again.

DTC 4 ABS/TCS/VDC CIRC

NKS004D3

1. 

PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS

1.

Perform self-diagnosis.

2.

Check if “CAN COMM CIRCUIT [U1000]” (DTC100) other than “ABS/TCS/VDC CIRC [C1A04]” (DTC 4) is
indicated in self-diagnosis item in the display.

Is it indicated?

YES

>> 1. CAN communication inspection. Refer to 

ACS-61, "DTC 100 CAN COMM CIRCUIT"

 .

2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.

Then perform self-diagnosis of ICC system again.

NO

>> GO TO 2.

ICC sensor integrated 
unit connector

Terminal 

Ground

Continuity

E61

4 Yes

PKIB8376E

ACS-44

[ICC]

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

2. 

PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS

 With CONSULT-II

1.

Perform “ABS” self-diagnosis. Refer to 

BRC-23, "CONSULT-II Functions (ABS)"

 .

2.

Check if malfunction is indicated. 

Is malfunction indicated?

YES

>> 1. Repair or replace applicable item.

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

NO

>> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

DTC 5 BRAKE SW/STOP L SW

NKS004D4

1. 

PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS

1.

Perform self-diagnosis.

2.

Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “BRAKE SW/STOP L SW [C1A05]” (DTC
5) is indicated in self-diagnosis item in the display.

Is it indicated?

YES

>> 1. CAN communication inspection. Refer to 

ACS-61, "DTC 100 CAN COMM CIRCUIT"

 .

2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.

Then perform self-diagnosis of ICC system again.

NO

>> GO TO 2.

2. 

CHECK ICC BRAKE SWITCH WITH ICC DATA MONITOR

 With CONSULT-II

With “ICC” “DATA MONITOR”, check if “BRAKE SW” operates normally. 

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 6.

3. 

CHECK STOP LAMP SWITCH WITH ABS DATA MONITOR

 With CONSULT-II

With “ABS” “DATA MONITOR”, check if “STOP LAMP SW” operates normally. 
OK or NG

OK

>> GO TO 4.

NG

>> GO TO 11.

4. 

PERFORM ECM SELF-DIAGNOSIS

 With CONSULT-II

1.

Perform “ENGINE” self-diagnosis. Refer to 

EC-123, "CONSULT-II Function (ENGINE)"

  (for VQ35DE) or

EC-826, "CONSULT-II Function (ENGINE)"

  (for VK45DE).

2.

Check if malfunction is indicated.

Is malfunction indicated?

YES

>> 1. Repair or replace applicable item.

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

NO

>> GO TO 5.

 

 

 

 

 

 

 

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