Infiniti QX56 (JA60). Manual - part 177

CCS-44

< COMPONENT DIAGNOSIS >

DTC 104 LASER AIMING INCMP

DTC 104 LASER AIMING INCMP

DTC 104 LASER AIMING INCMP

INFOID:0000000005146001

1.

DIAGNOSTIC CHECK 

1. Adjust laser beam aiming. Refer to 

CCS-5, "LASER BEAM AIMING ADJUSTMENT : Outline of Laser

Beam Aiming Adjustment Procedure"

. Erase DTC and perform ICC system running test. Refer to 

CCS-8,

"ACTION TEST : ICC System Running Test"

.

2. Perform self-diagnosis of ICC system. 
Is "DTC 104 LASER AIMING INCMP" indicated?

YES

>> • Replace ICC sensor and adjust laser beam aiming. Refer to 

CCS-72, "ICC Sensor"

.

• Erase DTC and perform ICC system running test. Refer to 

CCS-8, "ACTION TEST : ICC Sys-

tem Running Test"

.

NO

>> Inspection end.

CCS

DTC 107 LASER COMM FAIL

CCS-45

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

DTC 107 LASER COMM FAIL

DTC 107 LASER COMM FAIL

INFOID:0000000005146002

1.

DIAGNOSTIC CHECK 

Perform self-diagnosis?
Is "DTC 11 CONTROL UNIT" or "DTC 20 CAN COMM CIRCUIT" indicated?

YES

>> GO TO applicable item inspection. Refer to 

CCS-22, "DTC 11 CONTROL UNIT"

, or 

CCS-24,

"DTC 20 CAN COMM CIRCUIT"

.

NO

>> • Replace ICC sensor and adjust laser beam aiming. Refer to 

CCS-72, "ICC Sensor"

.

• Erase DTC and perform ICC system running test. Refer to 

CCS-8, "ACTION TEST : ICC Sys-

tem Running Test"

.

CCS-46

< COMPONENT DIAGNOSIS >

DTC109 LASER HIGH TEMP

DTC109 LASER HIGH TEMP

DTC 109 LASER HIGH TEMP

INFOID:0000000005146003

1.

CHECK SYMPTOM 

Inspect engine cooling system.
Did the engine overheat?

YES

>> • Repair cooling system.

• Erase DTC and perform ICC system running test. Refer to 

CCS-8, "ACTION TEST : ICC Sys-

tem Running Test"

. Then perform self-diagnosis of ICC system again.

NO

>> • Replace ICC sensor and adjust laser beam aiming. Refer to 

CCS-72, "ICC Sensor"

.

• Erase DTC, then perform ICC system running test. Refer to 

CCS-8, "ACTION TEST : ICC Sys-

tem Running Test"

. Then perform self-diagnosis of ICC system again.

CCS

ICC UNIT

CCS-47

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

ECU DIAGNOSIS

ICC UNIT

Terminal and Reference Value for ICC Unit

INFOID:0000000005146004

Terminal

Wire col-

or

Item

Condition

Voltage (V)

(Approx.)

Ignition 

switch

Operation

1

W/L

Battery power supply

OFF

—

Battery voltage

2

W/L

5

P

CAN-L

—

—

—

7

B/R

N-P RANGE

ON

A/T selector lever in "P" or "N"

Battery voltage

10

V/R

Brake booster signal 

ON

—

14

L

CAN-H

—

—

—

19

B

Ground

ON

—

—

20

B

29

BR/W

ICC brake switch
 (normally closed)

Selector le-

ver: Not in 

“N” or “P” 

position

Depress the brake 
pedal

0

Release the brake 
pedal

Battery voltage

30

L

TX

—

—

—

33

R/B

Ignition switch power supply

ON

—

Battery voltage

38

R/G

Stop lamp switch
(normally open) 

OFF

Depress the brake pedal

Release the brake pedal

0

39

V/W

RX

—

—

—

40

G

Parking brake signal

ON

Parking brake is ON

0

Parking brake is OFF

Battery voltage

42

R/B

Ignition switch power supply

—

Battery voltage

46

B

Ground

—

—

47

BR

Stop lamp drive output signal

Brake operating with ICC system

Battery voltage

Brake not operating with ICC sys-
tem

0

SKIA1243E