Infiniti QX56 (JA60). Manual - part 176

CCS-40

< COMPONENT DIAGNOSIS >

DTC 97 AT CIRCUIT

DTC 97 AT CIRCUIT

DTC 97 AT CIRCUIT

INFOID:0000000005145997

1.

CHECK A/T CIRCUIT

With TCM diagnosis, check that shift operates normally. Refer to 

TM-20, "TCM Function"

.

Is the transmission operating normally?

YES

>> Replace ICC unit. Refer to 

CCS-71, "ICC Unit"

.

NO

>> • Perform TCM diagnosis.

• Erase DTC and perform self-diagnosis of ICC system again.

CCS

DTC 98 GEAR POSITION

CCS-41

< COMPONENT DIAGNOSIS >

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DTC 98 GEAR POSITION

DTC 98 GEAR POSITION

INFOID:0000000005145998

1.

DIAGNOSTIC CHECK

Perform ICC self diagnosis.

Does "DTC 43 VDC/TCS/ABS CIRC" or "DTC 41 VHCL SPEED SE CIRC" indicated in self-diagnosis display

item?

YES

>> Repair or replace as necessary. Erase DTC and perform self-diagnosis of ICC system again.

NO

>> GO TO 2

2.

CHECK VEHICLE SPEED SIGNAL

With data monitor, check that “VHCL SPEED SE” is normal.
Does the "VHCL SPEED SE" monitor item display normally?

YES

>> GO TO 3

NO

>> Replace ICC unit. Refer to 

CCS-71, "ICC Unit"

. Erase DTC and perform self-diagnosis of ICC sys-

tem again.

3.

CHECK GEAR SHIFT POSITION 

Check that gear positions are correct in A/T.
Does the transmission operate normally?

YES

>> GO TO 5

NO

>> GO TO 4

4.

CHECK TCM GEAR POSITION SIGNAL 

With TCM data monitor, check that gear positions are correct.
Does the data monitor indicate proper gear positions?

YES

>> Replace ICC unit. Refer to 

CCS-71, "ICC Unit"

.

NO

>> • Perform TCM diagnosis.

• Erase DTC and perform self-diagnosis of ICC system again.

5.

CHECK TCM TURBINE ROTATION 

With TCM diagnosis, check that turbine rpm is normal. Refer to 

TM-48, "Description"

.

Does the TCM check OK?

YES

>> Replace ICC unit. Refer to 

CCS-71, "ICC Unit"

. 

NO

>> • Perform TCM diagnosis.

• Erase DTC and perform self-diagnosis of ICC system again. Refer to 

CCS-17, "Diagnosis

Description"

.

CCS-42

< COMPONENT DIAGNOSIS >

DTC 102 LASER STAIN

DTC 102 LASER STAIN

DTC 102 LASER STAIN

INFOID:0000000005145999

1.

VISUAL INSPECTION (1)

Check that there is no contamination and foreign material on ICC sensor body window.
Is the ICC sensor clean?

YES

>> GO TO 2

NO

>> • Clean ICC sensor.

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

CCS-8, "ACTION TEST : ICC Sys-

tem Running Test"

.

2.

VISUAL INSPECTION (2)

Check ICC sensor body window for cracks.
Is the ICC sensor window undamaged?

YES

>> GO TO 3

NO

>> • Replace ICC sensor and adjust laser beam. 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"

.

3.

ASK CUSTOMER FOR DRIVING CONDITIONS 

1. Is there any trace of contamination or foreign material on ICC sensor?

2. Is there any possibility that vehicle was driven in snow or ICC sensor was frosted?

3. Is there any possibility that ICC sensor was fogged temporarily? (Front window glass may have also been

fogged.)

Was the ICC sensor obstructed by normal conditions?

YES

>> Explain system operation and parameters to customer. System may be operating normally.

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

DTC 103 LASER SENSOR FAIL

CCS-43

< COMPONENT DIAGNOSIS >

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DTC 103 LASER SENSOR FAIL

DTC 103 LASER SENSOR FAIL

INFOID:0000000005146000

1.

DIAGNOSTIC CHECK 

Perform self-diagonsis.
Are "DTC 11 CONTROL UNIT" or DTC 20 CAN COMM CIRCUIT" indicated in self diagnosis?

YES

>> GO TO applicable item inspection. Refer to 

CCS-22, "DTC 11 CONTROL UNIT"

, and 

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"

.