Nissan Pathfinder. Manual — part 1060
B2556 PUSH-BUTTON IGNITION SWITCH
SEC-103
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2556 PUSH-BUTTON IGNITION SWITCH
DTC Logic
INFOID:0000000009176015
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Press push-button ignition switch under the following condition:
-
Brake pedal: Not depressed
2. Release push-button ignition switch and wait 100 seconds or more.
3. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> GO TO
SEC-103, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009176016
Regarding Wiring Diagram information, refer to
.
1.
CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
1. Disconnect BCM connector and IPDM E/R connector.
2. Check continuity between push-button ignition switch harness connector and BCM harness connector.
3. Check continuity between push-button ignition switch harness connector and ground.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2556
PUSH-BTN IGN SW
BCM detects the push-button ignition switch
stuck at ON for 100 seconds or more.
• Harness or connectors
(Push-button ignition switch circuit is
shorted.)
• Push-button ignition switch
• BCM
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M17
8
Ground
12
Push-button ignition switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
M17
8
M18
1
Yes
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M17
8
No
SEC-104
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2556 PUSH-BUTTON IGNITION SWITCH
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
REPLACE BCM
1. Replace BCM. Refer to
BCS-80, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on-screen instructions.
>> Inspection End.
4.
CHECK PUSH-BUTTON IGNITION SWITCH
SEC-104, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace push-button ignition switch. Refer to
SEC-145, "Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-49, "Intermittent Incident"
>> Inspection End.
Component Inspection
INFOID:0000000009176017
1.
CHECK PUSH-BUTTON IGNITION SWITCH
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check continuity between push-button ignition switch terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace push-button ignition switch. Refer to
SEC-145, "Removal and Installation"
.
Push-button ignition switch
Condition
Continuity
Terminal
4
8
Push-button ignition
switch
Pressed
Yes
Not pressed
No
B2557 VEHICLE SPEED
SEC-105
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2557 VEHICLE SPEED
DTC Logic
INFOID:0000000009176018
DTC DETECTION LOGIC
NOTE:
• If DTC B2557 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2557 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and wait 10 seconds or more.
2. Drive the vehicle at a vehicle speed of 10 km/h (6.2 MPH) or more for 10 seconds or more.
3. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> GO TO
SEC-105, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009176019
1.
CHECK DTC OF “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Check DTC in “Self-Diagnostic Result” mode of “ABS” using CONSULT.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
NO
>> GO TO 2.
2.
CHECK DTC OF “COMBINATION METER”
Check DTC in “Self-Diagnostic Result” mode of “METER/M&A” using CONSULT.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
NO
>> GO TO 3.
3.
CHECK INTERMITTENT INCIDENT
GI-49, "Intermittent Incident"
.
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible causes
B2557
VEHICLE SPEED
BCM detects one of the following conditions for 10
seconds continuously.
• Vehicle speed signal from combination meter is 10
km/h (6.2 MPH) or more, and vehicle speed signal
from ABS actuator and electric unit (control unit) is
4 km/h (2.5 MPH) or less.
• Vehicle speed signal from combination meter is 4
km/h (2.5 MPH) or less, and vehicle speed signal
from ABS actuator and electric unit (control unit) is
10 km/h (6.2 MPH) or more.
• Harness or connectors
(The CAN communication line is
open or shorted.)
• Combination meter
• ABS actuator and electric unit
(control unit)
SEC-106
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2560 STARTER CONTROL RELAY
B2560 STARTER CONTROL RELAY
Description
INFOID:0000000009176020
Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N (Neutral) or P (Park)
position.
DTC Logic
INFOID:0000000009176021
DTC DETECTION LOGIC
NOTE:
• If DTC B2560 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B2560 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON under the following conditions and wait for at least 2 seconds:
-
CVT selector lever is in the P (Park) position.
-
Depress the brake pedal.
2. Check “Self-Diagnostic Result” with CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-106, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009176022
1.
CHECK DTC WITH IPDM E/R
Check “Self Diagnostic Result” with CONSULT. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK INTERMITTENT INCIDENT
GI-49, "Intermittent Incident"
>> Inspection End.
DTC
Self-diagnosis name
DTC detecting condition
Possible causes
B2560
STARTER CONTROL
RELAY
BCM detects a mismatch between the OFF re-
quest of starter control relay to IPDM E/R and the
feedback. (The feedback is ON instead of OFF.)
• IPDM E/R
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