Nissan X-Trail 32. Manual - part 1834

P161E IMMOBILIZER

SEC-103

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

P161E IMMOBILIZER

DTC Description

INFOID:0000000010922139

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• ECM

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “ENGINE” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-103, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010922140

1.

ECM REGISTRATION

Using CONSULT, register ECM.

Is the DTC detected?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

REPLACE BCM

Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

Is the DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

REPLACE ECM

Replace ECM.
Refer to the following procedure.
• MR20DD: 

EC-430, "Removal and Installation"

.

• QR25DE: 

EC-806, "Removal and Installation"

.

• R9M: 

EC-1226, "Removal and Installation"

.

>> INSPECTION END

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

P161E

 IMMOBILIZER
(Immobilizer)

When CONSULT is not used during ECM replacement.

SEC-104

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

P161F IMMOBILIZER

P161F IMMOBILIZER

DTC Description

INFOID:0000000010922141

DTC DETECTION LOGIC

POSSIBLE CAUSE

ECM

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “ENGINE” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-104, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010922142

1.

REPLACE ECM

Replace ECM.
Refer to the following procedure.
• MR20DD: 

EC-430, "Removal and Installation"

.

• QR25DE: 

EC-806, "Removal and Installation"

.

• R9M: 

EC-1226, "Removal and Installation"

.

>> INSPECTION END

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

P161F

IMMOBILIZER
(Immobilizer)

When BCM detects an immobilizer malfunction and engine start is prohib-
ited.

P1616 ECM

SEC-105

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

P1616 ECM

DTC Description

INFOID:0000000010926623

DTC DETECTION LOGIC

POSSIBLE CAUSE

ECM

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON and wait 2 seconds or more.

2.

Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-105, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010926624

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “ENGINE” using CONSULT.

3.

Touch “ERASE”.

4.

Perform DTC CONFIRMATION PROCEDURE for DTC P1616. Refer to 

SEC-105, "DTC Description"

.

Is DTC P1616 displayed again?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

REPLACE ECM

Replace ECM.
Refer to the following procedure.
• MR20DD: 

EC-430, "Removal and Installation"

.

• QR25DE: 

EC-806, "Removal and Installation"

.

• R9M: 

EC-1226, "Removal and Installation"

.

>> INSPECTION END

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

P1616

NATS MALFUNCTION
(Nissan Anti-Theft System malfunction) 

ECM ROM is malfunctioning

SEC-106

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B121D STEERING LOCK POWER SUPPLY CIRCUIT

B121D STEERING LOCK POWER SUPPLY CIRCUIT

DTC Description

INFOID:0000000010922229

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(Steering lock unit power supply circuit is open or shorted)

• IPDM E/R
• BCM
• Steering lock unit

FAIL-SAFE

Shut off the power supply until the vehicle switches to sleep status.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Make the conditions that BCM enters in the low power consumption mode (BCM sleep condition).
Refer to 

BCS-18, "POWER CONSUMPTION CONTROL SYSTEM : System Description"

.

2.

Turn ignition switch ON.

3.

Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-106, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010922230

1.

CHECK IPDM E/R POWER SUPPLY

1.

Turn ignition switch to OFF, and then wait for 3 minutes with driver door open.
NOTE:
• Even after ignition switch is OFF, power is supplied to accessories for a certain amount of time by the

AUTO ACC function.

• When vehicle is operated while on standby, power may be supplied to accessories.

2.

Disconnect the battery negative terminal.

3.

Disconnect BCM connector.

4.

Connect the minus terminal of the battery and set the BCM to wake up status.

5.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK IPDM E/R POWER SUPPLY CIRCUIT

1.

Disconnect the battery negative terminal.

2.

Disconnect IPDM E/R connector.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B121D

S/L LOCK PWR 
SPLY CIRC
(Steering lock 
power supply cir-
cuit)

[CIRC SHORT TO 
GROUND]

• When the steering lock unit detects a short circuit in the steering lock 

unit power circuit

• When the steering lock unit detects over current in the steering lock unit 

power circuit.

BCM

(-)

Condition

Voltage

Connector

Terminal

E23

166

Ground

Ignition switch

OFF

9 - 16 V