Nissan Altima L32. Instruction — part 1337
SEC-498
< COMPONENT DIAGNOSIS >
[SEDAN WITHOUT INTELLIGENT KEY]
B2619 BCM
B2619 BCM
Description
INFOID:0000000004499183
BCM requests IPDM E/R to supply power to steering lock unit. After receiving the power, the steering lock unit
transmits an ON signal to BCM.
DTC Logic
INFOID:0000000004499184
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.
-
CVT selector lever is in the P position
-
Do not depress brake pedal
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-498, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004499185
1.
INSPECTION START
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Touch “ERASE”.
4. Perform DTC Confirmation Procedure.
Is the DTC B2619 displayed again?
YES
>> Replace BCM. Refer to
BCS-96, "Removal and Installation"
NO
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2619
BCM
BCM detects a mismatch between the power sup-
plied to the steering lock unit and the feedback for
one second or more.
• BCM
B261A PUSH-BUTTON IGNITION SWITCH
SEC-499
< COMPONENT DIAGNOSIS >
[SEDAN WITHOUT INTELLIGENT KEY]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B261A PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000004499186
IPDM E/R transmits the push-button ignition switch status via CAN communication to BCM. BCM receives
push-button ignition switch status by hardwire input. BCM compares the 2 signals for mismatch.
DTC Logic
INFOID:0000000004499187
DTC DETECTION LOGIC
NOTE:
• If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.
-
CVT selector lever is in the P position
-
Do not depress brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-499, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004499188
1.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 1
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch harness connector and IPDM E/R harness connector.
3. Check voltage between push-button ignition switch harness con-
nector 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 harness connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B261A
PUSH-BUTTON
IGNITION
SWITCH
BCM detects the mismatch between the following for 1
second or more
• Push-button ignition switch status
• Push-button ignition switch status from IPDM E/R (CAN)
• Harness or connectors
(Push-button ignition switch circuit is
open or shorted)
• Between BCM and push-button igni-
tion switch
• Between IPDM E/R and push-button
ignition switch
Push-button ignition switch
Ground
Voltage (V)
Connector
Terminal
M38
4
Ground
Battery voltage
ALKIA1350ZZ
SEC-500
< COMPONENT DIAGNOSIS >
[SEDAN WITHOUT INTELLIGENT KEY]
B261A PUSH-BUTTON IGNITION SWITCH
2. Check continuity between push-button ignition switch harness
connector M38 (A) terminal 4 and BCM harness connector M19
(B) terminal 77.
3. Check continuity between push-button ignition switch harness
connector M38 (A) terminal 4 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK PUSH-BUTTON IGNITION SWITCH
1. Disconnect IPDM E/R harness connector.
2. Check continuity between push-button ignition switch harness
connector M38 (A) terminal 4 and IPDM E/R harness connector
E18 (B) terminal 28.
3. Check continuity between push-button ignition switch harness
connector and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
>> Inspection End.
Push-button ignition switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
A: M38
4
B: M19
77
Yes
Push-button ignition switch
Ground
Continuity
Connector
Terminal
A: M38
4
Ground
No
ALKIA0460ZZ
Push-button ignition switch
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
A: M38
4
B: E18
28
Yes
Push-button ignition switch
Ground
Continuity
Connector
Terminal
A: M38
4
Ground
No
ALKIA0461ZZ
B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL
SEC-501
< COMPONENT DIAGNOSIS >
[SEDAN WITHOUT INTELLIGENT KEY]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL
Description
INFOID:0000000004499192
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
INFOID:0000000004499193
DTC DETECTION LOGIC
NOTE:
• If DTC B26E1 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B26E1 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.
-
CVT selector lever is in the P or N position.
-
Do not depress the brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-501, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004499194
1.
INSPECTION START
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Touch “ERASE”.
4. Perform DTC Confirmation Procedure.
Is the DTC B26E1 displayed again?
YES
>> GO TO 2
NO
>> Inspection End.
2.
REPLACE ECM
1. Replace ECM.
2. Refer to
EC-560, "BASIC INSPECTION : Special Repair Requirement"
(QR25DE except California) or
EC-24, "BASIC INSPECTION : Special Repair Requirement"
(QR25DE California).
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B26E1
NO RECEPTION OF
ENGINE STATUS
SIGNAL
BCM does not receive the engine status signal from
ECM when ignition switch is in the ON position
• ECM
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