Nissan Altima HL32 Hybrid. Manual - part 994

 

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Nissan Altima HL32 Hybrid. Manual - part 994

 

 

B2556 PUSH-BUTTON IGNITION SWITCH

SEC-49

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2556 PUSH-BUTTON IGNITION SWITCH

Description

INFOID:0000000004216006

The switch that changes the power supply position. BCM maintains the power supply position status. BCM

changes the power supply position with the operation of the push-button ignition switch.

DTC Logic

INFOID:0000000004216007

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Start the engine and wait for at least 100 seconds.

2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?

YES

>> Refer to 

SEC-49, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216008

1.

CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect push-button ignition switch harness connector.

3. Check voltage between push-button ignition switch harness con-

nector and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> GO TO 4

2.

CHECK PUSH-BUTTON IGNITION SWITCH

Refer to 

SEC-50, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace push-button ignition switch. Refer to 

SEC-176, "Removal and Installation"

.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

4.

CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT FOR SHORT

1. Disconnect BCM harness connector and IPDM E/R harness connector.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2556

PUSH-BUTTON IG-
NITION SWITCH

BCM detects the push-button ignition 
switch stuck to ON for 100 seconds or 
more

• Harness or connectors

(Push-button ignition switch circuit is shorted.)

• Push-button ignition switch

Push-button ignition switch

Ground

Voltage [V]

Connector

Terminal

M38

4

Ground

Battery voltage

ALKIA1438ZZ

SEC-50

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2556 PUSH-BUTTON IGNITION SWITCH

2. Check continuity between push-button ignition switch harness

connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-87, "Removal and Installa-

tion"

.

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000004216009

1.

CHECK PUSH-BUTTON IGNITION SWITCH

1. Turn ignition switch OFF.

2. Disconnect push-button ignition switch harness connector.

3. Check continuity between push-button ignition switch terminals

under the following conditions.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace push-button ignition switch. Refer to 

SEC-176,

"Removal and Installation"

.

Push-button ignition switch

Ground

Continuity

Connector

Terminal

M38

4

Ground

No

ALKIA0442ZZ

Push-button ignition switch

Condition

Continuity

Terminal

1

4

Pressed

Yes

Not pressed

No

ALKIA0443ZZ

B2557 VEHICLE SPEED

SEC-51

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2557 VEHICLE SPEED

Description

INFOID:0000000004216010

BCM receives the 2 vehicle speed signals via CAN communication. 1 signal is transmitted by the combination

meter. Another signal is transmitted by “ABS actuator and electric unit (control unit)”. BCM compares both sig-

nals to detect the vehicle speed.

DTC Logic

INFOID:0000000004216011

DTC DETECTION LOGIC

NOTE:

• If DTC B2557 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-28, "DTC Logic"

.

• If DTC B2557 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-29, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Drive the vehicle at the vehicle speed of 10 km/h or more and wait for at least 10 seconds.

2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?

YES

>> Refer to 

SEC-51, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216012

1.

CHECK DTC WITH HV ECU

Check “Self diagnostic result” with CONSULT-III. Refer to 

BRC-163, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace malfunctioning parts.

2.

CHECK COMBINATION METER.

Check combination meter. Refer to 

MWI-4, "Work Flow"

.

>> Inspection End.

DTC

Self-diagnosis 

name

DTC detecting condition

Possible causes

B2557

VEHICLE 

SPEED

BCM detects the following difference between the vehicle 
speed from “unified meter” and the one from “HV ECU” for 
10 seconds continuously
• One is 10km/h or more and the other is 4km/h or less.

• Wheel sensor
• Combination meter
• HV  ECU

SEC-52

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2601 SHIFT POSITION

B2601 SHIFT POSITION

Description

INFOID:0000000004216016

BCM confirms the shift position with the following 3 signals.

• ECVT selector lever

• P position signal from IPDM E/R.

DTC Logic

INFOID:0000000004216017

DTC DETECTION LOGIC

NOTE:

• If DTC B2601 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-28, "DTC Logic"

.

• If DTC B2601 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-29, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions, and wait for at least 2 seconds.

-

ECVT selector lever is in the P position.

-

Do not depress the brake pedal.

2. Check “Self diagnostic result” with CONSULT-III.

3. Turn ignition switch ON under the following conditions, and wait for at least 2 seconds.

-

ECVT selector lever is in other than P position.

-

Do not depress the brake pedal.

4. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?

YES

>> Refer to 

SEC-52, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216018

1.

CHECK ECVT DEVICE POWER SUPPLY

1. Turn ignition switch to ACC.

2. Disconnect ECVT device (detent switch) harness connector.

3. Check voltage between ECVT device (detention switch) harness

connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> GO TO 2

2.

CHECK ECVT DEVICE POWER SUPPLY CIRCUIT

1. Disconnect BCM harness connector.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2601

SHIFT POSITION

BCM detects when a difference between the shift 
P input signal and the shift position signal re-
ceived from IPDM E/R continues for 2 seconds 
or more

• Harness or connectors

(ECVT device circuit is open or short-
ed.)

• ECVT device (detent switch)

ECVT device (detent switch)

Ground

Voltage [V]

Connector

Terminal

M23

8

Ground

Battery voltage

ALKIA1349ZZ

 

 

 

 

 

 

 

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