Nissan Qashqai J11. Manual — part 1959

PCS-108

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B261A PUSH-BUTTON IGNITION SWITCH

DTC/CIRCUIT DIAGNOSIS

B261A PUSH-BUTTON IGNITION SWITCH

DTC Description

INFOID:0000000010434062

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

[Push-button ignition switch (push switch) circuit is open or shorted.]

• BCM
• IPDM E/R

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Press push-button ignition switch (push switch) under the following conditions, and wait for 1 second or
more.

-

Shift position is in the P position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” of BCM with CONSULT.

Is DTC detected?

YES

>> Refer to

PCS-108, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010434063

1.

CHECK PUSH-BUTTON IGNITION SWITCH (PUSH SWITCH) OUTPUT SIGNAL

1.

Disconnect push-button ignition switch connector and IPDM E/R connector.

2.

Check voltage between push-button ignition switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and push-button ignition switch harness connector.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B261A-00

PUSH-BTN IGN SW
(Push-button ignition switch)

The following signal status that BCM receives are compared, and it do not match
for 1 second or more.
• Push-button Ignition switch (push switch) signal
• Push-button Ignition switch (push switch) status signal (CAN)

(+)

(–)

Voltage

Push-button Ignition switch

Connector

Terminal

M31

8

Ground

9 – 16 V

PCS

B261A PUSH-BUTTON IGNITION SWITCH

PCS-109

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

3.

Check continuity between push-button ignition switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-135, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK PUSH-BUTTON IGNITION SWITCH (PUSH SWITCH) OUTPUT SIGNAL (IPDM E/R)

1.

Disconnect BCM connector.

2.

Connect IPDM E/R connector.

3.

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

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to

PCS-68, "Removal and Installation"

.

NO

>> GO TO 4.

4.

CHECK PUSH-BUTTON IGNITION SWITCH (PUSH SWITCH) CIRCUIT (IPDM E/R)

1.

Check continuity between IPDM E/R harness connector and push-button ignition switch harness connec-
tor.

2.

Check continuity between push-button ignition switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK INTERMITTENT INCIDENT

Refer to

GI-44, "Intermittent Incident"

.

>> INSPECTION END

BCM

Push-button Ignition switch

Continuity

Connector

Terminal

Connector

Terminal

M69

101

M31

8

Existed

Push-button Ignition switch

Ground

Continuity

Connector

Terminal

M31

8

Not existed

(+)

(–)

Voltage

IPDM E/R

Connector

Terminal

E38

32

Ground

6 – 16 V

IPDM E/R

Push-button Ignition switch

Continuity

Connector

Terminal

Connector

Terminal

E38

32

M31

8

Existed

Push-button Ignition switch

Ground

Continuity

Connector

Terminal

M31

8

Not existed

PCS-110

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B26F1 IGNITION RELAY

B26F1 IGNITION RELAY

DTC Description

INFOID:0000000010434064

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(Ignition relay circuit is open)

• BCM
• IPDM E/R
• Fuse block (J/B)

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON, and wait for 2 seconds or more.

2.

Check “Self-diagnosis result” with CONSULT.

Is DTC detected?

YES

>> Refer to

PCS-110, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010434065

1.

CHECK IPDM E/R SELF-DIAGNOSTIC RESULT

1.

Turn ignition switch ON.

2.

Erase the DTC of IPDM E/R.

3.

Turn ignition switch OFF.

4.

Turn ignition switch ON and check the DTC again.

Is DTC detected?

YES

>> Repair or replace the malfunctioning part. Refer to

PCS-37, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK IGNITION RELAY CONTROL SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 3.

3.

CHECK IGNITION RELAY CONTROL SIGNAL CIRCUIT

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B26F1-00

IGN RELAY OFF
(Ignition relay off)

BCM transmits the ignition relay control signal (ON: 0 V) or ignition switch ON sig-
nal (ON) (CAN), but does not receives ignition switch ON signal (ON) (CAN) from
IPDM E/R.

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M70

67

Ground

Ignition switch

ON

0 – 0.5 V

OFF

9 - 16 V

PCS

B26F1 IGNITION RELAY

PCS-111

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

1.

Turn ignition switch OFF.

2.

Disconnect BCM and fuse block (J/B) connectors.

3.

Check continuity between BCM harness connector and fuse block (J/B) harness connector.

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK IGNITION RELAY

Check ignition relay. Refer to

PCS-111, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace fuse block (J/B).

NO

>> Replace ignition relay.

5.

REPLACE IPDM E/R

1.

Replace IPDM E/R. Refer to

PCS-68, "Removal and Installation"

.

2.

Turn ignition switch ON and check the DTC again.

Is DTC "B26F1-00" displayed?

YES

>> Replace BCM. Refer to

BCS-135, "Removal and Installation"

.

NO

>> INSPECTION END.

Component Inspection

INFOID:0000000010508614

1.

CHECK IGNITION RELAY

1.

Turn ignition switch OFF.

2.

Remove ignition relay.

3.

Check continuity between ignition relay terminals.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Replace ignition relay.

BCM

Fuse block (J/B)

Continuity

Connector

Terminal

Connector

Terminal

M70

67

M76

3B

Existed

BCM

—

Continuity

Connector

Terminal

M70

67

Ground

Not existed

Terminal

Condition

Continuity

Ignition relay

12 V direct current supply between termi-

nals

and .

Existed

No current supply

Not existed

SEF497Y