Nissan Qashqai J11. Manual - part 1448

B2192 ID DISCORD, IMMU-ECM

SEC-91

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

>> INSPECTION END

SEC-92

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2193 CHAIN OF ECM-IMMU

B2193 CHAIN OF ECM-IMMU

DTC Logic

INFOID:0000000010438912

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(The CAN communication line is open or shorted.)

• BCM 
• ECM

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC B2193-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 or U1010-00.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000-00: Refer to 

BCS-124, "DTC Description"

. U1010-00:

Refer to 

BCS-125, "DTC Description"

.

NO

>> GO TO 2

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

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

Is DTC detected?

YES

>> Refer to 

SEC-92, "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:0000000010438913

1.

CHECK DTC PRIORITY

If DTC B2193-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 or U1010-00.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000-00: Refer to 

BCS-124, "DTC Description"

. U1010-00:

Refer to 

BCS-125, "DTC Description"

.

NO

>> GO TO 2

2.

CHECK IPDM E/R IGNITION POWER OUTPUT SIGNAL 

Check voltage between ECM harness connector and ground.

HRA2DDT engine models

DTC No.

CONSULT screen items

DTC detecting condition

B2193-00

CHAIN OF BCM-ECM

Inactive communication between BCM and ECM

(+)

(-)

Condition

Voltage

ECM

Connector

Terminal

E9

16

Ground

Ignition switch

OFF

0 - 1 V

ON

6 - 16 V

B2193 CHAIN OF ECM-IMMU

SEC-93

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

K9K engine models

R9M engine models

 MR20DDengine models

MR16DDT engine models

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 3

3.

CHECK IPDM E/R IGNITION POWER OUTPUT SIGNAL CIRCUIT

1.

Disconnect ECM connector and IPDM E/R connector.

2.

Check continuity between ECM harness connector and IPDM E/R harness connector.

HRA2DDT engine models

K9K engine models

R9M engine models

MR20DD engine models

(+)

(-)

Condition

Voltage

ECM

Connector

Terminal

E59

16

Ground

Ignition switch

OFF

0 - 1 V

ON

6 - 16 V

(+)

(-)

Condition

Voltage

ECM

Connector

Terminal

E58

16

Ground

Ignition switch

OFF

0 - 1 V

ON

6 - 16 V

(+)

(-)

Condition

Voltage

ECM

Connector

Terminal

E57

109

Ground

Ignition switch

OFF

0 - 1 V

ON

6 - 16 V

(+)

(-)

Condition

Voltage

ECM

Connector

Terminal

E61

133

Ground

Ignition switch

OFF

0 - 1 V

ON

6 - 16 V

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

E9

16

E38

19

Existed

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

E59

16

E38

19

Existed

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

E58

16

E38

19

Existed

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

E57

109

E38

19

Existed

SEC-94

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2193 CHAIN OF ECM-IMMU

MR16DDT engine models

3.

Check continuity between ECM harness connector and ground.

HRA2DDT engine models

K9K engine models

R9M engine models

MR20DD engine models

MR16DDT engine models

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

2.

Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

Can the system be initialized and can the engine be started with registered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 5.

5.

REPLACE ECM

Replace ECM.
Refer to the following procedure.
• HRA2DDT: 

ECH-320, "Removal and Installation"

• K9K: 

ECK-398, "Removal and Installation"

• R9M: 

EC9-409, "Removal and Installation"

• MR16DDT: 

ECM-616, "Removal and Installation"

• MR20DD: 

ECM-1031, "Removal and Installation"

>> INSPECTION END

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

E61

133

E38

19

Existed

ECM

Ground

Continuity

Connector

Terminal

E9

16

No existed

ECM

Ground

Continuity

Connector

Terminal

E59

16

No existed

ECM

Ground

Continuity

Connector

Terminal

E58

16

No existed

ECM

Ground

Continuity

Connector

Terminal

E57

109

No existed

ECM

Ground

Continuity

Connector

Terminal

E61

133

No existed