Nissan Altima L32. Instruction — part 1239
SEC-106
< COMPONENT DIAGNOSIS >
[COUPE]
B2617 STARTER RELAY CIRCUIT
Is the measurement value within the specification.
YES
>> GO TO 3
NO
>> GO TO 2
2.
CHECK STARTER RELAY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM harness connector and IPDM E/R harness connector.
3. Check continuity between IPDM E/R harness connector and
BCM harness connector.
4. Check continuity between IPDM E/R harness connector and
ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-96, "Removal and Installation"
NO
>> Repair harness or connector.
3.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
>> Inspection End.
BCM
Ground
Transmission type
Condition
Voltage (V)
Connector
Terminal
M21
132
Ground
CVT: Select lever in
Park
Ignition switch cranking or
request to start
Battery voltage
Other than above
0
M/T: Clutch pedal
depressed
Ignition switch cranking or
request to start
Battery voltage
Other than above
0
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
A: E17
46
B: M21
132
Yes
IPDM E/R
Ground
Continuity
Connector
Terminal
A: E17
46
Ground
No
ALKIA1318ZZ
B2619 BCM
SEC-107
< COMPONENT DIAGNOSIS >
[COUPE]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2619 BCM
Description
INFOID:0000000004206092
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:0000000004206093
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-107, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206094
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
SEC-108
< COMPONENT DIAGNOSIS >
[COUPE]
B261A PUSH-BUTTON IGNITION SWITCH
B261A PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000004206095
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:0000000004206096
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-108, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206097
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
B261A PUSH-BUTTON IGNITION SWITCH
SEC-109
< COMPONENT DIAGNOSIS >
[COUPE]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
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
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