Nissan Maxima. Manual - part 1065

 

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Nissan Maxima. Manual - part 1065

 

 

KEY CYLINDER SWITCH

SEC-85

< DTC/CIRCUIT DIAGNOSIS >

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KEY CYLINDER SWITCH

Description

INFOID:0000000010052012

The main power window and door lock/unlock switch detects condition of the door key cylinder switch and

transmits to BCM as the LOCK or UNLOCK signal.

Component Function Check

INFOID:0000000010052013

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

Check KEY CYL UN-SW, KEY CYL UN-SW in “DATA MONITOR” mode for “POWER DOOR LOCK SYSTEM”

with CONSULT. Refer to 

BCS-19, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"

.

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

NO

>> Refer to 

SEC-85, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010052014

Regarding Wiring Diagram information, refer to 

SEC-136, "Wiring Diagram"

.

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between main power window and door lock/

unlock switch harness connector D7 terminal 4, 6 and ground.

Is the inspection result normal?

YES

>> Replace main power window and door lock/unlock switch. Refer to 

PWC-107, "Removal and

Installation"

. After that, refer to 

SEC-87, "Special Repair Requirement"

.

NO

>> GO TO 2

2.

CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect main power window and door lock/unlock switch connector and front door lock assembly LH

connector.

Monitor item

Condition

KEY CYL LK-SW

Lock

: ON

Neutral / Unlock

: OFF

KEY CYL UN-SW

Unlock

: ON

Neutral / Lock

: OFF

Terminals

Key position

Voltage (V)

(Approx.)

(+)

(–)

Main power 

window and 

door lock/un-

lock switch 

connector

Terminal 

D7

4

Ground

Lock

0

Neutral / Unlock

5

6

Unlock

0

Neutral / Lock

5

LIIA0566E

SEC-86

< DTC/CIRCUIT DIAGNOSIS >

KEY CYLINDER SWITCH

3. Check continuity between main power window and door lock/

unlock switch harness connector D7 (A) terminal 4, 6 and front

door lock assembly LH harness connector D10 (B) 5, 6.

4. Check continuity between main power window and door lock/

unlock switch harness connector D7 (A) 4, 6 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT

Check continuity between front door lock assembly LH harness con-

nector D10 terminal 4 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK DOOR KEY CYLINDER SWITCH

Check door key cylinder switch. 

Refer to 

SEC-86, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace front door lock assembly LH. Refer to 

DLK-221, "FRONT DOOR LOCK : Removal and

Installation"

After that, refer to 

SEC-87, "Special Repair Requirement"

.

Component Inspection

INFOID:0000000010052015

COMPONENT INSPECTION

1.

CHECK DOOR KEY CYLINDER SWITCH

Main power window 

and door lock/un-

lock switch connec-

tor

Terminal

Front door lock assem-

bly LH connector

Terminal

Continuity

A: D7

4

B: D10

6

Yes

6

5

Power window main 

switch connector

Terminal

Ground

Continuity 

A: D7

4

No

6

ALKIA0347ZZ

Front door lock assembly LH 

connector

Terminal

Ground

Continuity 

D10

4

Yes

ALKIA0348ZZ

KEY CYLINDER SWITCH

SEC-87

< DTC/CIRCUIT DIAGNOSIS >

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Check front door lock assembly LH.

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

NO

>> Replace front door lock assembly LH. Refer to 

DLK-221, "FRONT DOOR LOCK : Removal and

Installation"

. After that, refer to 

SEC-87, "Special Repair Requirement"

Special Repair Requirement

INFOID:0000000010052016

1.

 PERFORM INITIALIZATION PROCEDURE

Perform initialization procedure. Refer to 

PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY

NEGATIVE TERMINAL : Special Repair Requirement"

 and 

PWC-7, "ADDITIONAL SERVICE WHEN

REPLACING CONTROL UNIT : Special Repair Requirement"

.

>> GO TO 2

2.

 CHECK ANTI-PINCH OPERATION

Check anti-pinch operation. Refer to 

PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGA-

TIVE TERMINAL : Special Repair Requirement"

 and 

PWC-7, "ADDITIONAL SERVICE WHEN REPLACING

CONTROL UNIT : Special Repair Requirement"

.

>> End.

Terminal

Key position

Continuity

Front door lock assembly LH 

connector

4

Unlock

Yes

Neutral / Lock

No

6

Lock

Yes

Neutral / Unlock

No

ALKIA0351ZZ

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8

< DTC/CIRCUIT DIAGNOSIS >

HORN

HORN

Description

INFOID:0000000010052017

Horn (high/low) is located inside of front bumper and operates when theft warning system is in alarm phase.

Component Function Check

INFOID:0000000010052018

1.

CHECK FUNCTION

1. Select HORN in “ACTIVE TEST” mode with CONSULT.

2. Check the horn (high/low) operation.

Is the operation normal?

YES

>> Inspection End.

NO

>> Refer to 

SEC-88, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010052019

Regarding Wiring Diagram information, refer to 

SEC-136, "Wiring Diagram"

.

1.

CHECK HORN FUNCTION

Check horn function with horn switch
Do the horns sound?

YES

>> GO TO 2

NO

>> Refer to 

SEC-136, "Wiring Diagram"

.

2.

CHECK HORN RELAY POWER SUPPLY

1. Turn ignition switch ON.

2. Perform “ACTIVE TEST” (“HORN”) with CONSULT.

3. Using an analog voltmeter or an oscilloscope, check voltage

between IPDM E/R harness connector E17 terminal 44 and

ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> GO TO 3

3.

CHECK HORN RELAY CIRCUIT

Test item

Description

HORN

ON

Horn relay

ON (for 20 ms)

ALKIA0424ZZ

IPDM E/R

Ground

Test item

Voltage (V)

(Approx.)

Connector

Terminal

E17

44

Ground

HORN

ON

Battery voltage 

→ 0 → Battery voltage

Other than above

Battery voltage

 

 

 

 

 

 

 

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