Infiniti QX56 (Z62). Manual - part 369

 

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Infiniti QX56 (Z62). Manual - part 369

 

 

DAS

POWER SUPPLY AND GROUND CIRCUIT

DAS-513

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair the side radar LH ground circuit.

SIDE RADAR RH

SIDE RADAR RH : Diagnosis Procedure

INFOID:0000000006223969

1.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect the side radar RH connector.

3.

Check voltage between side radar RH harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the side radar RH power supply circuit.

2.

CHECK GROUND CIRCUIT

Check continuity between side radar RH harness connectors and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair the side radar RH ground circuit.

Side radar LH

Ground

Continuity

Connector

Terminal

B74

2

Existed

Terminals

Condition

Voltage

(Approx.)

(+)

(

)

Side radar RH

Ground

Ignition switch

Connector

Terminal

B243

5

OFF

0 V

ON

Battery voltage

Side radar RH

Ground

Continuity

Connector

Terminal

B243

2

Existed

DAS-514

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

RIGHT/LEFT SWITCHING SIGNAL CIRCUIT

RIGHT/LEFT SWITCHING SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000006223970

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Check the terminals and connectors of the side radar RH for damage, bend and short (unit side and con-
nector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal or connector.

2.

CHECK CONTINUITY RIGHT/LEFT SWITCHING SIGNAL CIRCUIT

1.

Disconnect side radar RH connector.

2.

Check continuity between side radar RH harness connectors and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Side radar RH

Ground

Continuity

Connector

Terminal

B243

1

Existed

DAS

WARNING SYSTEMS SWITCH CIRCUIT

DAS-515

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

WARNING SYSTEMS SWITCH CIRCUIT

Component Function Check

INFOID:0000000006223971

1.

CHECK WARNING SYSTEMS SWITCH INPUT SIGNAL

1.

Turn the ignition switch ON.

2.

Select the DATA MONITOR item “WARN SYS SW” of “ICC/ADAS” with CONSULT-III.

3.

With operating the warning systems switch, check the monitor status.

Is the inspection result normal?

YES

>> Warning systems switch circuit is normal.

NO

>> Refer to 

DAS-389, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006223972

1.

CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT

1.

Turn the ignition switch ON.

2.

Check voltage between ADAS control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace the ADAS control unit. Refer to 

DAS-63, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK WARNING SYSTEMS SWITCH

1.

Turn ignition switch OFF.

2.

Remove warning systems switch.

3.

Check warning systems switch. Refer to 

DAS-390, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace the warning systems switch. Refer to 

DAS-404, "Removal and Installation"

.

3.

CHECK WARNING SYSTEMS SWITCH GROUND CIRCUIT

Check continuity between twin switch harness connector terminal and the ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT CIRCUIT FOR OPEN

1.

Disconnect the ADAS control unit connector.

Monitor item

Condition

Monitor status

WARN SYS 
SW

Warning systems switch is pressed

On

Warning systems switch is not pressed

OFF

Terminals

Condition

Voltage

(Approx.)

(+)

(

)

ADAS control unit

Ground

Warning 
systems 

switch

Connector

Terminal

B61

1

Pressed

0 V

Released

12 V

Twin switch 

Ground

Continuity

Connector

Terminal

M127

3

Existed

DAS-516

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

WARNING SYSTEMS SWITCH CIRCUIT

2.

Check continuity between the ADAS control unit harness connector and twin switch harness connector.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair the harnesses or connectors.

5.

CHECK WARNING SYSTEMS SWITCH SIGNAL INPUT CIRCUIT FOR SHORT

Check continuity between the ADAS control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace the ADAS control unit. Refer to 

DAS-63, "Removal and Installation"

.

NO

>> Repair the harnesses or connectors.

Component Inspection

INFOID:0000000006223973

1.

CHECK WARNING SYSTEMS SWITCH

Check continuity of warning systems switch.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace warning systems switch.

ADAS control unit

Twin switch

Continuity

Connector

Terminal

Connector

Terminal

B61

1

M127

2

Existed

ADAS control unit

Ground

Continuity

Connector

Terminal

B61

1

Not existed

Terminal

Condition

Continuity

2

3

When warning systems switch is pressed

Existed

When warning systems switch is released

Not existed

 

 

 

 

 

 

 

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