Infiniti QX56 (Z62). Manual — part 287

DAS

U150B ECM CAN 3

DAS-185

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

U150B ECM CAN 3

DTC Logic

INFOID:0000000006228151

DTC DETECTION LOGIC

NOTE:
If DTC “U150B” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to

DAS-182,

"ADAS CONTROL UNIT : DTC 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 “U150B” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.

Is “U150B” detected as the current malfunction?

YES

>> Refer to

DAS-185, "Diagnosis Procedure"

.

NO

>> Refer to

GI-40, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000006228152

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “U150B” 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 ECM SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in “Self Diagnostic Result” of “ENGINE”.

Is any DTC detected?

YES

>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to

EC-98, "DTC Index"

.

NO

>> Replace the ADAS control unit. Refer to

DAS-63, "Removal and Installation"

.

DTC

(On board dis-

play)

Trouble diagnosis name

DTC detecting condition

Possible causes

U150B

(157)

ECM CAN CIRC 3

ADAS control unit detects an error signal that is
received from ECM via CAN communication

ECM

DAS-186

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

U150C VDC CAN 3

U150C VDC CAN 3

DTC Logic

INFOID:0000000006228153

DTC DETECTION LOGIC

NOTE:
If DTC “U150C” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to

DAS-182,

"ADAS CONTROL UNIT : DTC 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 “U150C” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.

Is “U150C” detected as the current malfunction?

YES

>> Refer to

DAS-186, "Diagnosis Procedure"

.

NO

>> Refer to

GI-40, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000006228154

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “U150C” 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 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in “Self Diagnostic Result” of “ABS”.

Is any DTC detected?

YES

>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to

BRC-51, "DTC Index"

.

NO

>> Replace the ADAS control unit. Refer to

DAS-63, "Removal and Installation"

.

DTC

(On board dis-

play)

Trouble diagnosis name

DTC detecting condition

Possible causes

U150C

(158)

VDC CAN CIRC 3

ADAS control unit detects an error signal that is
received from ABS actuator and electric unit
(control unit) via CAN communication

ABS actuator and electric unit (control
unit)

DAS

U150D TCM CAN 3

DAS-187

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

U150D TCM CAN 3

DTC Logic

INFOID:0000000006228155

DTC DETECTION LOGIC

NOTE:
If DTC “U150D” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to

DAS-182,

"ADAS CONTROL UNIT : DTC 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 “U150D” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.

Is “U150D” detected as the current malfunction?

YES

>> Refer to

DAS-187, "Diagnosis Procedure"

.

NO

>> Refer to

GI-40, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000006228156

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “U150D” 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 TCM SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in “Self Diagnostic Result” of “TRANSMISSION”.

Is any DTC detected?

YES

>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to

TM-78, "DTC Index"

.

NO

>> Replace the ADAS control unit. Refer to

DAS-63, "Removal and Installation"

.

DTC

(On board dis-

play)

Trouble diagnosis name

DTC detecting condition

Possible causes

U150D

(159)

TCM CAN CIRC 3

ADAS control unit detects an error signal that is
received from TCM via CAN communication

TCM

DAS-188

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

U150E BCM CAN 3

U150E BCM CAN 3

DTC Logic

INFOID:0000000006228157

DTC DETECTION LOGIC

NOTE:
If DTC “U150E” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to

DAS-182,

"ADAS CONTROL UNIT : DTC 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 “U150E” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.

Is “U150E” detected as the current malfunction?

YES

>> Refer to

DAS-188, "Diagnosis Procedure"

.

NO

>> Refer to

GI-40, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000006228158

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “U150E” 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 BCM SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in “Self Diagnostic Result” of “BCM”.

Is any DTC detected?

YES

>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to

BCS-57, "DTC Index"

.

NO

>> Replace the ADAS control unit. Refer to

DAS-63, "Removal and Installation"

.

DTC

(On board dis-

play)

Trouble diagnosis name

DTC detecting condition

Possible causes

U150E

(160)

BCM CAN CIRC 3

ADAS control unit detects an error signal that is
received from BCM via CAN communication

BCM