Qashqai J11. Security control system - part 10

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 4

REPLACE STEERING LOCK UNIT

Replace steering lock unit. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 5

CHECK INTERMITTENT INCIDENT

SEC-146, "Diagnosis Procedure"

>> INSPECTION END

SEC-146

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27DD BCM - S/L ID DISCORD

B27DD BCM - S/L ID DISCORD

DTC Logic

INFOID:0000000010438879

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Steering lock unit
• BCM

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438880

INTELLIGENT KEY REGISTRATION

Using CONSULT, register all Intelligent Keys again.

>> GO TO 2

CHECK SELF-DIAGNOSIS RESULT

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

Erase DTC.

Perform DTC CONFIRMATION PROCEDURE for DTC B27DD. Refer to

SEC-146, "DTC Logic"

Is the DTC detected?

YES

>> GO TO 3

>> INSPECTION END

REPLACE BCM

Replace BCM. Refer to

Perform DTC CONFIRMATION PROCEDURE for DTC B27DD. Refer to

SEC-146, "DTC Logic"

Is the DTC detected?

YES

>> GO TO 4

>> INSPECTION END

REPLACE STEERING LOCK UNIT

Replace steering lock unit. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 5

CHECK INTERMITTENT INCIDENT

SEC-148, "Diagnosis Procedure"

DTC No.

CONSULT screen items

DTC detecting condition

B27DD–00

BCM-S/L ID DISCORD

When BCM detects that the ID verification result of the steeling lock unit is NG.

B27DD BCM - S/L ID DISCORD

SEC-147

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

>> INSPECTION END

SEC-148

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27DE S/L MECHANICAL MALFUNCTION

B27DE S/L MECHANICAL MALFUNCTION

DTC Logic

INFOID:0000000010438881

DTC DETECTION LOGIC

POSSIBLE CAUSE

Steering lock unit

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438882

REPLACE STEERING LOCK UNIT

Replace steering lock unit. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 2

CHECK INTERMITTENT INCIDENT

SEC-149, "Diagnosis Procedure"

>> INSPECTION END

DTC No.

CONSULT screen items

DTC detecting condition

B27DE–00

S/L MECHANICAL
MALFUNCTION

When steering lock unit detects a steering lock unit internal malfunction, and steer-
ing lock unit no longer operates normally.

B27DF S/L HIGH LEVEL MALFUNCTION

SEC-149

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

B27DF S/L HIGH LEVEL MALFUNCTION

DTC Logic

INFOID:0000000010438883

DTC DETECTION LOGIC

POSSIBLE CAUSE

Steering lock unit

FAIL-SAFE

Inhibit steering lock/unlock

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438884

REPLACE STEERING LOCK UNIT

Replace steering lock unit. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 2

CHECK INTERMITTENT INCIDENT

SEC-150, "Diagnosis Procedure"

>> INSPECTION END

DTC No.

CONSULT screen items

DTC detecting condition

B27DF–00

S/L HIGH LEVEL MALFUNC-
TION

When steering lock unit detects an internal malfunction and the steering lock
unit no longer operates normally.

SEC-150

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E0 S/L LOW LEVEL MALFUNCTION

B27E0 S/L LOW LEVEL MALFUNCTION

DTC Logic

INFOID:0000000010438885

DTC DETECTION LOGIC

POSSIBLE CAUSE

Steering lock unit

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438886

REPLACE STEERING LOCK UNIT

Replace steering lock unit. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 2

CHECK INTERMITTENT INCIDENT

SEC-151, "Diagnosis Procedure"

>> INSPECTION END

DTC No.

CONSULT screen items

DTC detecting condition

B27E0–00

S/L LOW LEVEL MAL-
FUNCTION

When the steering lock unit detects an internal memory malfunction

B27E1 S/L SAFETY CIRCUIT

SEC-151

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

B27E1 S/L SAFETY CIRCUIT

DTC Logic

INFOID:0000000010438887

The safety circuit is the circuit with an interlock function that prohibits lock operation of the steering lock unit at
ignition switch ON.

DTC DETECTION LOGIC

POSSIBLE CAUSE

Harness or connectors
(Steering lock unit safety circuit is open or shorted)

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Performs lock operation of the steering lock unit.

Press push-button ignition switch under the following conditions.

Selector lever: In the P position.

Brake pedal: Not depressed.

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438888

CHECK FUSE

Turn ignition switch OFF.

Check that following fuse in IPDM E/R is not blown.

Is the inspection result normal?

YES

>> GO TO 2

>> Replace the blown fuse after repairing the cause of blowing.

CHECK STEERING LOCK UNIT SAFETY CIRCUIT1

Turn ignition switch ON.

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

>> GO TO 3

CHECK STEERING LOCK UNIT SAFETY CIRCUIT2

DTC No.

CONSULT screen items

DTC detecting condition

B27E1–00

S/L SAFETY CIRCUIT

When the steering lock unit detects a short circuit and disconnection in the
safety circuit.

Fuse No.

Signal name

85(5A)

Ignition ON power supply

(+)

(-)

Voltage

Steering lock unit

Connector

Terminal

M46

Ground

Battery voltage

SEC-152

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E1 S/L SAFETY CIRCUIT

Turn ignition switch OFF.

Disconnect IPDM E/R connector and steering lock unit connector.

Check continuity between steering lock unit harness connector and IPDM E/R harness connector.

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

Is the inspection result normal?

YES

>> GO TO 4

>> Repair or replace harness.

CHECK INTERMITTENT INCIDENT

SEC-153, "Diagnosis Procedure"

>> INSPECTION END

IPDM E/R

Steering lock unit

Continuity

Connector

Terminal

Connector

Terminal

E12

M46

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

E12

Not existed

B27E3 S/L KEY NOT REGISTRATION

SEC-153

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

B27E3 S/L KEY NOT REGISTRATION

DTC Logic

INFOID:0000000010438889

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• Steering lock unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438890

INTELLIGENT KEY REGISTRATION

Using CONSULT, register all Intelligent Keys again.

>> GO TO 2

CHECK SELF-DIAGNOSIS RESULT

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

Erase DTC.

Perform DTC CONFIRMATION PROCEDURE for DTC B27E3. Refer to

SEC-153, "DTC Logic"

Is the DTC detected?

YES

>> GO TO 3

>> INSPECTION END

REPLACE BCM

Replace BCM. Refer to

Perform DTC CONFIRMATION PROCEDURE for DTC B27E3. Refer to

SEC-153, "DTC Logic"

Is the DTC detected?

YES

>> GO TO 4

>> INSPECTION END

REPLACE STEERING LOCK UNIT

Replace steering lock unit. Refer to

SEC-154, "Diagnosis Procedure"

>> INSPECTION END

DTC No.

CONSULT screen items

DTC detecting condition

B27E3–00

S/L KEY NOT REGISTRA-
TION

When the steering lock unit is registered in a KEY unregistered status.

SEC-154

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E4 S/L REGISTRATION STATUS

B27E4 S/L REGISTRATION STATUS

DTC Logic

INFOID:0000000010438891

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Steering lock unit
• BCM

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438892

INTELLIGENT KEY REGISTRATION

Using CONSULT, register all Intelligent Keys again.

>> GO TO 2

CHECK SELF-DIAGNOSIS RESULT

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

Erase DTC.

Perform DTC CONFIRMATION PROCEDURE for DTC B27E4. Refer to

SEC-154, "DTC Logic"

Is the DTC detected?

YES

>> GO TO 3

>> INSPECTION END

REPLACE BCM

Replace BCM. Refer to

Perform DTC CONFIRMATION PROCEDURE for DTC B27E4. Refer to

SEC-154, "DTC Logic"

Is the DTC detected?

YES

>> GO TO 4

>> INSPECTION END

REPLACE STEERING LOCK UNIT

Replace steering lock unit. Refer to

SEC-155, "Diagnosis Procedure"

>> INSPECTION END

DTC No.

CONSULT screen items

DTC detecting condition

B27E4–00

S/L REGISTRATION STATUS

When BCM does not register the steering lock unit successfully.

B27E5 S/L IGN OFF POSITION

SEC-155

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

B27E5 S/L IGN OFF POSITION

DTC Logic

INFOID:0000000010438893

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(Steering lock unit power supply is shorted)

• IPDM E/R
• BCM

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

PCS-68, "Removal and Installation"

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438894

CHECK STEERING LOCK UNIT POWER SUPPLY

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5

>> GO TO 2

CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT

Disconnect IPDM E/R connector and BCM connector.

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

Check continuity between BCM harness connector and ground

Is the inspection result normal?

DTC No.

CONSULT screen items

DTC detecting condition

B27E5–00

S/L IGN OFF POSITION

When BCM detects a short in the steering lock unit power circuit.

(+)

(-)

Condition

Voltage

BCM

Connector

Terminal

E27

166

Ground

Ignition switch

OFF

9 - 16 V

0 - 0.5 V

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

E10

E27

166

Existed

BCM

Ground

Continuity

Connector

Terminal

E27

166

Not existed

SEC-156

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E5 S/L IGN OFF POSITION

YES

>> GO TO 3

>> Repair or replace harness

REPLACE IPDM E/R

Replace IPDM E/R. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 4

REPLACE BCM

Replace BCM. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 5

CHECK INTERMITTENT INCIDENT

SEC-157, "Diagnosis Procedure"

>> INSPECTION END

B27E6 S/L ANTI-SCAN MODE

SEC-157

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

B27E6 S/L ANTI-SCAN MODE

DTC Logic

INFOID:0000000010438895

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• Steering lock unit

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438896

CHECK SELF-DIAGNOSIS RESULT

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

Erase DTC.

Perform DTC CONFIRMATION PROCEDURE for DTC B27E6. Refer to

SEC-157, "DTC Logic"

Is the DTC detected?

YES

>> GO TO 2

>> INSPECTION END

CHECK FUNCTION

Check that a steering lock unit compatible with the vehicle is installed.

Is a steering lock unit compatible with the vehicle is installed?

YES

>> GO TO 3

>> GO TO 4

STEERING LOCK UNIT REGISTRATION

Using CONSULT, register steering lock unit again.

Does steering lock operate?

YES

>> GO TO 1

>> GO TO 4

REPLACE STEERING LOCK UNIT

Replace steering lock unit. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 5

REPLACE BCM

Replace BCM. Refer to

SEC-159, "Diagnosis Procedure"

DTC No.

CONSULT screen items

DTC detecting condition

B27E6–00

S/L ANTISCAN MODE

When the BCM detects multiple inconsistencies in steering lock unit ID
verification.

SEC-158

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E6 S/L ANTI-SCAN MODE

>> INSPECTION END

B27E7 S/L UNDETERMINED UNLOCK POS

SEC-159

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

B27E7 S/L UNDETERMINED UNLOCK POS

DTC Logic

INFOID:0000000010438897

DTC DETECTION LOGIC

POSSIBLE CAUSE

Steering lock unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Press push-button ignition switch under the following conditions.

Selector lever: In the P position

Brake pedal: Not depressed

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

Is DTC detected?

YES

>> Refer to

NO-1

>> To check malfunction symptom before repair: Refer to

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438898

CHECK SELF-DIAGNOSIS RESULTDTC

Perform DTC CONFIRMATION PROCEDURE for DTC B27E7. Refer to

SEC-159, "DTC Logic"

Is DTC detected?

YES

>> GO TO 2

>> INSPECTION END

CHECK STEERING LOCK UNIT SENSOR CIRCUIT OUTPUT SIGNAL

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

>> GO TO 3

CHECK STEERING LOCK UNIT SENSOR CIRCUIT OUTPUT SIGNAL CIRCUIT

Disconnect BCM connector and steering lock unit connector.

Check continuity between BCM harness connector and steering lock unit harness connector.

Check continuity between steering lock unit harness connector and ground.

DTC No.

CONSULT screen items

DTC detecting condition

B27E7–00

S/L UNDETERMINED UN-
LOCK POS

When the steering lock unit does not performs unlock operation successfully.

(+)

(-)

Condition

Voltage

Steering lock unit

Connector

Terminal

M46

Ground

Steering lock unit

Active

9 - 16 V

Not active

0 - 0.5 V

BCM

Steering lock unit

Continuity

Connector

Terminal

Connector

Terminal

M86

M46

Existed

SEC-160

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E7 S/L UNDETERMINED UNLOCK POS

Is the inspection result normal?

YES

>> GO TO 5

>> Repair or replace harness.

REPLACE STEERING LOCK UNIT

Replace steering lock unit. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 5

REPLACE BCM

Replace BCM. Refer to

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 6

CHECK INTERMITTENT INCIDENT