Nissan Qashqai J11. Manual - part 1488

B2193 CHAIN OF ECM-IMMU

SEC-251

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

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• MR16DDT: 

ECM-616, "Removal and Installation"

• MR20DD: 

ECM-1031, "Removal and Installation"

>> INSPECTION END

SEC-252

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2195 ANTI-SCANNING

B2195 ANTI-SCANNING

DTC Logic

INFOID:0000000010479753

DTC DETECTION LOGIC

POSSIBLE CAUSE

ID verification request out of the specified specification

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

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-252, "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:0000000010479754

1.

CHECK SELF DIAGNOSTIC RESULT 1

1.

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

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to 

SEC-252, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

CHECK EQUIPMENT OF THE VEHICLE

Check that unspecified accessory part related to engine start is not installed.

Is unspecified accessory part related to engine start installed?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

CHECK SELF DIAGNOSTIC RESULT 2

1.

Obtain the customers approval to remove unspecified accessory part related to engine start, and then
remove it.

2.

Select “Self Diagnostic Result” of “BCM” using CONSULT.

3.

Erase DTC.

4.

Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to 

SEC-252, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE BCM

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

>> INSPECTION END

DTC No.

CONSULT screen items

DTC detecting condition

B2195

ANTI-SCANNING

ID verification between BCM and ECM that is out of the specified 
specification is detected.

B2196 DONGLE UNIT

SEC-253

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B2196 DONGLE UNIT

Description

INFOID:0000000010479755

BCM performs ID verification between BCM and dongle unit.
When verification result is OK, BCM permits cranking.

DTC Logic

INFOID:0000000010479756

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(Dongle unit circuit is open or shorted.)

• Dongle unit

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF.

3.

Turn ignition switch ON.

4.

Check DTC in Self-diagnosis result mode of BCM using CONSULT.

Is the DTC detected?

YES

>> Refer to 

SEC-253, "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:0000000010479757

1.

PERFORM INITIALIZATION

1.

Perform initialization of BCM and registration of all mechanical keys using CONSULT.
For initialization and registration procedures, refer to CONSULT Immobilizer mode and follow the on-
screen instructions.

2.

Start the engine.

Dose the engine start?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK DONGLE UNIT CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and dongle unit connector.

3.

Check continuity between BCM harness connector and dongle unit harness connector.

4.

Check continuity between BCM harness connector and ground.

DTC No.

CONSULT screen items

DTC detecting condition

B2196

DONGLE NG

The ID verification results between BCM and dongle unit is invalid.

BCM

Dongle unit

Continuity

Connector

Terminal

Connector

Terminal

M70

56

M24

1

Existed

SEC-254

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2196 DONGLE UNIT

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK DONGLE UNIT GROUND CIRCUIT

Check continuity between dongle unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace dongle unit.

NO

>> Repair or replace harness.

BCM

Ground

Continuity

Connector

Terminal

M70

56

Not existed

Dongle unit

Ground

Continuity

Connector

Terminal

M24

4

Existed