Nissan X-Trail 32. Manual - part 1683

PCS-102

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B261A PUSH-BUTTON IGNITION SWITCH

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.

3.

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

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-121, "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-60, "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

M86

101

M16

8

Existed

Push-button Ignition switch

Ground

Continuity

Connector

Terminal

M16

8

Not existed

(+)

(–)

Voltage

IPDM E/R

Connector

Terminal

E12

38

Ground

6 – 16 V

IPDM E/R

Push-button Ignition switch

Continuity

Connector

Terminal

Connector

Terminal

E12

38

M16

8

Existed

Push-button Ignition switch

Ground

Continuity

Connector

Terminal

M16

8

Not existed

PCS

B26F1 IGNITION RELAY

PCS-103

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

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B26F1 IGNITION RELAY

DTC Description

INFOID:0000000010741747

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(Ignition relay circuit is open)

• BCM
• IPDM E/R

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-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:0000000010741748

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-38, "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 4.

NO

>> GO TO 3.

3.

CHECK IGNITION RELAY CONTROL SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connectors.

3.

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

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) or ignition switch ON signal 
(ON) (CAN), but does not receives ignition switch ON signal (ON) (CAN) from 
IPDM E/R.

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M87

67

Ground

Ignition switch

ON

0 – 0.5 V

PCS-104

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B26F1 IGNITION RELAY

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace ignition relay.

NO

>> Repair or replace harness.

4.

CHECK IGNITION RELAY

Check ignition relay. Refer to 

PCS-104, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace ignition relay.

5.

REPLACE IPDM E/R

1.

Replace IPDM E/R. Refer to 

PCS-60, "Removal and Installation"

.

2.

Turn ignition switch ON and check the DTC again.

Is DTC "B26F1-00" displayed?

YES

>> Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

NO

>> INSPECTION END.

Component Inspection

INFOID:0000000010741749

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

M87

67

M3

3C

Existed

BCM

—

Continuity

Connector

Terminal

M87

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

PCS

B26F2 IGNITION RELAY

PCS-105

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

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B26F2 IGNITION RELAY

DTC Description

INFOID:0000000010741750

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(Ignition relay circuit is short)

• BCM
• IPDM E/R

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-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:0000000010741751

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-38, "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 4.

NO

>> GO TO 3.

3.

CHECK IGNITION RELAY CONTROL SIGNAL CIRCUIT

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.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B26F2-00

IGN RELAY ON
(Ignition relay on)

BCM transmits the ignition relay control signal (OFF) or ignition switch ON signal 
(OFF) (CAN), but does not receives ignition switch ON signal (OFF) (CAN) from 
IPDM E/R.

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M87

67

Ground

Ignition switch

ON

0 – 0.5 V