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Nissan Pathfinder (2012 year). Manual - part 532

POWER SUPPLY AND GROUND CIRCUIT

SEC-45

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

>> GO TO 2

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM.

3. Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3

>> Repair or replace harness.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> Inspection End.

>> Repair or replace harness.

Connector

Terminals

Power

source

Condition

Voltage (V) (Ap-

prox.)

(+)

(-)

M18

Ground

ACC

power

supply

Ignition

switch

ACC or

Battery voltage

Ground

Ignition

power

supply

Ignition

switch ON

or START

Battery voltage

M20

Ground

Battery

power

supply

Ignition

switch

OFF

Battery voltage

Ground

Battery

power

supply

Ignition

switch

OFF

Battery voltage

LIIA2415E

BCM

Ground

Continuity

Connector

Terminal

M20

Yes

LIIA0915E

August 2012

2012 Pathfinder

SEC-46

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

KEY CYLINDER SWITCH

KEY CYLINDER SWITCH

Description

INFOID:0000000007355721

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:0000000007355722

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

Check "KEY CYL LK-SW" AND "KEY CYL UN-SW" in DATA MONITOR mode for “POWER DOOR LOCK

SYSTEM” with CONSULT.

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

>> Refer to

SEC-46, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000007355723

Regarding Wiring Diagram information, refer to

SEC-92, "Wiring Diagram"

CHECK DOOR KEY CYLINDER SWITCH LH

With CONSULT

Check front door lock assembly LH (key cylinder switch) ("KEY CYL LK-SW") and ("KEY CYL UN-SW) in

DATA MONITOR mode with CONSULT.

• When key inserted in left front key cylinder is turned to LOCK:

• When key inserted in left front key cylinder is turned to UNLOCK:

Without CONSULT

Check voltage between main power window and door lock/unlock

switch connector D7 terminals 4, 6 and ground.

Is the inspection result normal?

YES

>> Key cylinder switch signal is OK.

Monitor item

Condition

KEY CYL LK-SW

Lock

: ON

Neutral / Unlock

: OFF

KEY CYL UN-SW

Unlock

: ON

Neutral / Lock

: OFF

KEY CYL LK-SW

: ON

KEY CYL UN-SW

: ON

Connector

Terminals

Condition of left front key cylinder

Voltage (V)

(Approx.)

(+)

(–)

Ground

Neutral/Unlock

Lock

Neutral/Lock

Unlock

LIIA0566E

August 2012

2012 Pathfinder

KEY CYLINDER SWITCH

SEC-47

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

>> GO TO 2

CHECK DOOR KEY CYLINDER SWITCH LH GROUND HARNESS

1. Turn ignition switch OFF.

2. Disconnect front door lock assembly LH (key cylinder switch).

3. Check continuity between front door lock assembly LH (key cyl-

inder switch) connector (A) D14 terminal 4 and body ground.

Is the inspection result normal?

YES

>> GO TO 3

>> Repair or replace harness.

CHECK DOOR KEY CYLINDER SWITCH LH

Check continuity between front door lock assembly LH (key cylinder

switch) terminals.

Is the inspection result normal?

YES

>> GO TO 4

>> Replace front door lock assembly LH (key cylinder switch). Refer to

DLK-202, "Removal and

Installation"

CHECK DOOR KEY CYLINDER HARNESS

Check continuity between main power window and door lock/unlock

switch connector (A) D7 terminals 4, 6 and front door lock assembly

LH (key cylinder switch) connector (B) D14 terminals 3, 5 and body

ground.

Is the inspection result normal?

YES

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

>> Repair or replace harness.

Connector

Terminals

Continuity

D14

4 – Ground

Yes

ALKIA1186ZZ

Terminals

Condition

Continuity

3 – 4

Key is turned to LOCK or neutral.

Key is turned to UNLOCK.

Yes

4 – 5

Key is turned to UNLOCK or neutral.

Key is turned to LOCK.

Yes

ALKIA1183ZZ

Connector

Terminals

Connector

Terminals

Continuity

A: Main

power win-

dow and

door lock/

unlock

switch

B: Front

door lock

assembly

LH (key
cylinder

switch)

Yes

4, 6

Ground

ALKIA1184ZZ

August 2012

2012 Pathfinder

SEC-48

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

GLASS HATCH AJAR SWITCH

GLASS HATCH AJAR SWITCH

Description

INFOID:0000000007355724

Detects glass hatch open/close condition.

Component Function Check

INFOID:0000000007355725

CHECK FUNCTION

With CONSULT

Check glass hatch switch in data monitor mode with CONSULT.

Is the inspection result normal?

YES

>> Glass hatch switch is OK.

>> Refer to

SEC-48, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000007355726

Regarding Wiring Diagram information, refer to

SEC-92, "Wiring Diagram"

CHECK GLASS HATCH AJAR SWITCH INPUT SIGNAL

With CONSULT

Check glass hatch ajar switch "GLASS HATCH SW" in DATA MONITOR mode with CONSULT.

• When glass hatch is open:

• When glass hatch is closed:

Without CONSULT

Check voltage between BCM connector M19 terminal 42 and ground.

Is the inspection result normal?

YES

>> Glass hatch ajar switch circuit is OK.

>> GO TO 2

CHECK GLASS HATCH AJAR SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect glass hatch ajar switch and BCM.

3. Check continuity between BCM connector M19 (A) terminal 42 and glass hatch ajar switch connector

D503 (B) terminal 1.

Monitor item

Condition

GLASS HATCH SW

→

OPEN: OFF

→

GLASS HATCH SW

:ON

GLASS HATCH SW

:OFF

Connector

Item

Terminals

Condition

Voltage (V)

(Approx.)

( + )

( – )

M19

BCM

Ground

Open

↓

Closed

↓

Battery voltage

ALKIA1708ZZ

August 2012

2012 Pathfinder

GLASS HATCH AJAR SWITCH

SEC-49

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

4. Check continuity between BCM connector M19 (A) terminal 42

and ground.

Is the inspection result normal?

YES

>> GO TO 3

>> Repair or replace harness.

CHECK GLASS HATCH AJAR SWITCH

Check continuity between glass hatch ajar switch connector terminal 1 and ground.

Is the inspection result normal?

YES

>> Refer to

GI-37, "Intermittent Incident"

>> Replace glass hatch ajar switch.

42 - 1

:Continuity should exist

42 - Ground

:Continuity should not exist

ALKIA1709ZZ

Terminals

Condition

Continuity

Glass hatch ajar

switch

1 – Ground

Open

Yes

Closed

ALKIA0668ZZ

August 2012

2012 Pathfinder

SEC-50

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

IGNITION KNOB SWITCH

IGNITION KNOB SWITCH

Ignition Knob Switch Check

INFOID:0000000007355727

Regarding Wiring Diagram information, refer to

SEC-78, "Wiring Diagram"

CHECK IGNITION KNOB SWITCH

With CONSULT

Display “PUSH SW” on DATA MONITOR screen, and check if ON/OFF display is linked to ignition switch oper-

ation.

Without CONSULT

1. Turn ignition switch OFF.

2. Disconnect Intelligent Key unit connector.

3. Check voltage between Intelligent Key unit harness connector

M164 terminal 27 and ground.

Is the inspection result normal?

YES

>> Ignition knob switch is OK.

>> GO TO 2

CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect key switch and ignition knob switch connector.

3. Check voltage between key switch and ignition knob switch har-

ness connector M66 terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 3

>> Repair or replace key switch and ignition knob switch

power supply circuit.

CHECK IGNITION KNOB SWITCH OPERATION

Monitor item

Condition

PUSH SW

Ignition switch is pushed: ON

Ignition switch is released: OFF

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M164

Ground

Ignition switch is
pushed

Battery voltage

Ignition switch is re-
leased

WIIA1175E

1 - Ground

: Battery voltage

ALKIA1217ZZ

August 2012

2012 Pathfinder

IGNITION KNOB SWITCH

SEC-51

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

Check continuity between key switch and ignition knob switch termi-

nals 1 and 2.

Is the inspection result normal?

YES

>> GO TO 4

>> Replace key switch and ignition knob switch.

CHECK IGNITION KNOB SWITCH CIRCUIT

1. Check continuity between Intelligent Key unit harness connector M164 (A) terminal 27 and key switch and

ignition knob switch harness connector M66 (B) terminal 2.

2. Check continuity between Intelligent Key unit harness connector

M164 (A) terminal 27 and ground.

Is the inspection result normal?

YES

>> Check the condition of harness and harness connector.

>> Repair or replace harness between Intelligent Key unit

and key switch and ignition knob switch.

Component

Terminals

Condition

Continuity

Ignition

knob switch

Ignition switch is pushed

Yes

Ignition switch is released

ALKIA1218ZZ

27 - 2

: Continuity should exist.

27 - Ground

: Continuity should not exist.

ALKIA1219ZZ

August 2012

2012 Pathfinder

SEC-52

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

HORN FUNCTION

HORN FUNCTION

Symptom Table

INFOID:0000000007355728

HAZARD AND HORN REMINDER FUNCTION MALFUNCTION

NOTE:

• Before performing the diagnosis in the following table, check “Work flow”. Refer to

SEC-5, "Work Flow"

• If the following symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column

in this order.

Conditions of Vehicle (Operating Conditions)

• “ANSWER BACK FUNCTION” is ON when setting on CONSULT.

• Ignition switch is in OFF position.

• All doors are closed.

Symptom

Diagnosis/service procedure

Reference

page

Hazard reminder does not operate by request switch.
(Horn reminder operate.)

Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.

BCS-23

2. Check hazard function.

EXL-4

3. Check Intermittent Incident.

GI-37

Hazard reminder does not operate by Intelligent Key.
(Horn reminder operate.)

Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.

BCS-23

2. Check hazard function.

EXL-4

3. Check Intelligent Key battery inspection.

DLK-103

Horn reminder does not operate by request switch.
(Hazard reminder operate.)

Check “ANSWER BACK WITH I-KEY LOCK” or “AN-
SWER BACK WITH I-KEY UNLOCK” setting in “WORK
SUPPORT”.

BCS-23

2. Check Intelligent Key warning buzzer.

DLK-88

3. Check Intermittent Incident.

GI-37

Horn reminder does not operate by Intelligent Key.
(Hazard reminder operate.)

Check “HORN WITH KEYLESS LOCK” setting in
“WORK SUPPORT”.

BCS-23

2. Check horn function.

SEC-92

3. Check Intermittent Incident.

GI-37

August 2012

2012 Pathfinder

Content .. 530 531 532 533 ..