Nissan Altima HL32 Hybrid. Manual - part 216

UNLOCK SENSOR

DLK-85

< COMPONENT DIAGNOSIS >

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UNLOCK SENSOR

Description

INFOID:0000000004215686

Detects door lock condition of driver door.

Component Function Check

INFOID:0000000004215687

1.

CHECK FUNCTION

With CONSULT-III

Check unlock sensor DR DOOR STATE in “DATA MONITOR” mode.

Is the inspection result normal?

YES

>> Unlock sensor is OK.

NO

>> Refer to 

DLK-85, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000004215688

1.

CHECK UNLOCK SENSOR POWER SUPPLY

Check signal between BCM connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> GO TO 2

2.

CHECK UNLOCK SENSOR CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM and front door lock assembly LH connector.

Monitor item

Condition

DOOR STAT SW (DR DOOR STATE)

Front door lock (driver side) LOCK : OFF

Front door lock (driver side) UNLOCK : ON

ALKIA0352ZZ

Terminals

Front door lock assembly 

LH condition

Voltage (V)

(Approx.)

(+)

(–)

BCM connector

Terminal

M18

27

Ground

Locked

Unlocked

0

JPMIA0011GB

DLK-86

< COMPONENT DIAGNOSIS >

UNLOCK SENSOR

3. Check continuity between BCM connector M18 (A) terminal 27

and front door lock assembly LH connector D10 (B) terminal 3.

4. Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness between BCM and front door lock assembly LH.

3.

CHECK UNLOCK SENSOR GROUND CIRCUIT

Check continuity between front door lock assembly LH connector

and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK BCM OUTPUT SIGNAL

1. Connect BCM harness connector.

2. Check signal between BCM connector and ground with oscillo-

scope.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace BCM. Refer to 

BCS-87, "Removal and Installation"

.

5.

CHECK UNLOCK SENSOR 

Refer to 

DLK-87, "Component Inspection"

. 

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Replace front door lock assembly LH. Refer to 

DLK-226, "FRONT DOOR LOCK : Removal and

Installation"

.

6.

CHECK INTERMITTENT INCIDENT 

Refer to 

GI-42, "Intermittent Incident"

.

BCM connector

Terminal

 Front door lock assembly 

LH connector

Terminal

Continuity 

A: M18

27

B: D10

3

Yes

BCM connector

Terminal

Ground

Continuity 

A: M18

27

No

ALKIA0353ZZ

Front door lock assembly 

LH connector

Terminal

Ground

Continuity 

D10

4

Yes

ALKIA0348ZZ

Terminals

Voltage (V)

(Approx.)

(+)

(–)

BCM connector

Terminal

M18

27

Ground

ALKIA0354ZZ

JPMIA0011GB

UNLOCK SENSOR

DLK-87

< COMPONENT DIAGNOSIS >

C

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DLK

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>> Inspection End.

Component Inspection

INFOID:0000000004215689

1.

CHECK UNLOCK SENSOR

Check unlock sensor.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace front lock assembly LH. Refer to 

DLK-226,

"FRONT DOOR LOCK : Removal and Installation"

.

Terminal

Front door lock assembly LH 

condition

Continuity

Front door lock assembly 

LH

3

4

Unlock

Yes

Lock

No

ALKIA0355ZZ

DLK-88

< COMPONENT DIAGNOSIS >

TRUNK LID OPENER SWITCH

TRUNK LID OPENER SWITCH

Description

INFOID:0000000004215690

Transmits trunk lid open signal to BCM.

Component Function Check

INFOID:0000000004215691

1.

CHECK TRUNK LID OPENER CANCEL SWITCH

Check trunk lid opener cancel switch position.
Does trunk lid opener cancel switch turn ON (CANCEL)?

YES

>> Turn off trunk lid opener cancel switch.

NO

>> GO TO 2

2.

CHECK FUNCTION

 With CONSULT-III

Check trunk lid opener switch TR/BD OPEN SW in “DATA MONITOR" mode with CONSULT-III.

• When trunk lid opener switch is turned to “ON”.

Is the inspection result normal?

YES

>> Trunk lid opener switch is OK.

NO

>> Refer to 

DLK-88, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000004215692

1.

CHECK TRUNK LID OPEN INPUT SIGNAL

1. Remove Intelligent Key from key slot.

2. Turn on trunk lid opener cancel switch.

3. Check voltage between BCM connector M21 terminal 147 and

ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

CHECK TRUNK LID OPENER SWITCH CIRCUIT

Monitor item

Condition

TR/BD OPEN SW

Trunk lid opener switch is pressed: ON

Trunk lid opener switch is released: OFF

ALKIA0356ZZ

Terminals

Condition of trunk lid opener switch

Voltage (V)

(Approx.)

(+)

(–)

BCM

connector

Terminal 

M21

147

Ground

ON (press and hold)

0

OFF (release)

Battery voltage