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Nissan Pathfinder (2008 year). Manual - part 560

B2190, P1614 NATS ANTENNA AMP.

SEC-113

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

SEC

CHECK NATS ANTENNA AMP. SIGNAL LINE- 2

Check voltage between NATS antenna amp. connector M21 terminal
4 and ground with analog tester.

Is the inspection result normal?

YES

>> NATS antenna amp. is malfunctioning.

>> • Repair or replace harness.

NOTE:
If harness is OK, replace BCM, refer to XX-XX, "*****". Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual”.

LIIA1282E

Terminals

Position of ignition key cylinder

Voltage (V)

(Approx.)

( + )

( - )

Ground

Before inserting ignition key

Battery voltage

After inserting ignition key

Pointer of tester should move for approx. 30 seconds,

then return to battery voltage

Just after turning ignition switch

Pointer of tester should move for approx. 1 second, then

return to battery voltage

SEC-114

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2191, P1615 DIFFERENCE OF KEY

B2191, P1615 DIFFERENCE OF KEY

Description

INFOID:0000000001689615

Performs ID verification through BCM when ignition knob switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of mechanical key is used.

DTC Logic

INFOID:0000000001689616

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Insert mechanical key into the key cylinder.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Refer to

SEC-114, "Diagnosis Procedure"

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000001689617

PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to “CONSULT-III Operation Manual”.

Can the system be initialized and can the engine be started with re-registered mechanical key?

YES

>> Mechanical key was unregistered.

BCM is malfunctioning.

• Replace BCM. Refer to

BCS-54, "Removal and Installation"

• Perform initialization again

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2191

DIFFERENCE OF
KEY

The ID verification results between BCM and me-
chanical key are NG. The registration is necessary.

Mechanical key

P1615

B2192, P1611 ID DISCORD, IMMU-ECM

SEC-115

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

SEC

B2192, P1611 ID DISCORD, IMMU-ECM

Description

INFOID:0000000001689618

BCM performs the ID verification with ECM that allows the engine to start. BCM starts the communication with
ECM if ignition switch is turned ON and starts the engine if the ID is OK. ECM prevents the engine from start-
ing if the ID is not registered.

DTC Logic

INFOID:0000000001689619

DTC DETECTION LOGIC

NOTE:
• If DTC B2192 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-109, "DTC Logic"

• If DTC B2192 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-110, "DTC Logic"

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Refer to

SEC-115, "Diagnosis Procedure"

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000001689620

PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to “CONSULT-III Operation Manual”.

Can the system be initialized and can the engine be started with re-registered mechanical key?

YES

>> ID was unregistered.

>> GO TO 2

PEPLACE BCM

Replace BCM. Refer to

BCS-54, "Removal and Installation"

Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to “CONSULT-III Operation Manual”.

Can the system be initialized and can the engine be started with re-registered mechanical key?

YES

>> BCM is malfunctioning.

>> GO TO 3

PEPLACE ECM

Replace ECM. Refer to Removal and Installation.

Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to “CONSULT-III Operation Manual”.

Can the system be initialized and can the engine be started with re-registered mechanical key?

YES

>> ECM is malfunctioning.

>> GO TO 4

CHECK INTERMITENT INCIDENT

Refer to

GI-51, "Intermittent Incident"

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2192

ID DISCORD BCM-
ECM

The ID verification results between BCM and ECM
are NG. The registration is necessary.

• BCM
• ECM

P1611

SEC-116

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2192, P1611 ID DISCORD, IMMU-ECM

>> INSPECTION END

B2193, P1612 CHAIN OF ECM-IMMU

SEC-117

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

SEC

B2193, P1612 CHAIN OF ECM-IMMU

Description

INFOID:0000000001689621

DTC Logic

INFOID:0000000001689622

DTC DETECTION LOGIC

NOTE:
• If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-109, "DTC Logic"

• If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-110, "DTC Logic"

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Refer to

SEC-117, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000001689623

REPLACE BCM

Replace BCM. Refer to

BCS-54, "Removal and Installation"

Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual”.

Does the engine start?

YES

>> BCM was malfunctioning.

ECM is malfunctioning.

• Replace ECM.
• Perform ECM re-communicating function.

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2193

CHAIN OF BCM-
ECM

Inactive communication between ECM and BCM

• Harness or connectors

(The CAN communication line is
open or short)

• BCM
• ECM

P1612

SEC-118

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

P1610 LOCK MODE

P1610 LOCK MODE

Description

INFOID:0000000001689624

When the starting operation is carried more than five times consecutively under the following conditions, NATS
will shift to the mode which prevents the engine from being started.
• Unregistered mechanical key is used.
• BCM or ECM's malfunctioning.

DTC Logic

INFOID:0000000001689625

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Refer to

SEC-118, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000001689626

CHECK ENGINE START FUNCTION

Perform the check for DTC except DTC P1610.

Use CONSULT-III to erase DTC after fixing.

Check that engine can start with registered mechanical key.

Does the engine start?

YES

>> INSPECTION END

>> GO TO 2

CHECK INTERMITTENT INCIDENT

Refer to

GI-51, "Intermittent Incident"

>> INSPECTION END

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

P1610

LOCK MODE

When the starting operation is carried out
five or more times consecutively under the
following conditions.
• Unregistered mechanical key
• BCM or ECM's malfunctioning.

—

POWER SUPPLY AND GROUND CIRCUIT

SEC-119

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

SEC

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

INFOID:0000000001689627

Refer to

BCS-32, "Diagnosis Procedure"

SEC-120

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

KEY CYLINDER SWITCH

KEY CYLINDER SWITCH

Description

INFOID:0000000001728845

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:0000000001728846

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-III.

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

>> Refer to

SEC-120, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000001728847

CHECK DOOR KEY CYLINDER SWITCH LH

With CONSULT-III

Check front door lock assembly LH (key cylinder switch) ("KEY CYL LK-SW") and ("KEY CYL UN-SW) in
DATA MONITOR mode with CONSULT–III.
• 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-III

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.

>> GO TO 2.

CHECK DOOR KEY CYLINDER SWITCH LH GROUND HARNESS

Turn ignition switch OFF.

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

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

Content .. 558 559 560 561 ..