Nissan Altima L32. Instruction — part 1283
SEC-282
< COMPONENT DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
B2603 SHIFT POSITION STATUS
2. Check continuity between BCM harness connector M19 (A) ter-
minal 87 and CVT device (park position switch) harness connec-
tor M23 (B) terminal 9.
3. Check continuity between BCM harness connector M19 (A) ter-
minal 87 and ground.
Is the inspection result normal?
YES
>> GO TO 6
NO
>> Repair harness or connector.
6.
CHECK CVT DEVICE
SEC-277, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 7
NO
>> Replace CVT device. Refer to
TM-255, "Removal and Installation"
(RE0F10A).
7.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
>> Inspection End.
BCM
CVT device
(park position switch)
Continuity
Connector
Terminal
Connector
Terminal
A: M19
87
B: M23
9
Yes
BCM
Ground
Continuity
Connector
Terminal
A: M19
87
Ground
No
ALKIA0446ZZ
B2604 PNP SWITCH
SEC-283
< COMPONENT DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2604 PNP SWITCH
Description
INFOID:0000000004206237
BCM confirms the shift position with the following 4 signals.
• CVT selector lever
• P/N position switch
• P position signal from IPDM E/R (CAN)
• P position signal from TCM (CAN)
DTC Logic
INFOID:0000000004206238
DTC DETECTION LOGIC
NOTE:
• If DTC B2604 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2604 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 the engine under the following conditions and wait for at least 1 second.
-
CVT selector lever is in the P position
-
Do not depress the brake pedal
2. Use CVT selector lever to select each gear one at a time. Wait at each gear for at least 1 second.
3. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-283, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206239
1.
CHECK DTC WITH TCM
Check “Self diagnostic result” with CONSULT-III. Refer to
(RE0F09B) or
(RE0F10A).
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace malfunctioning parts.
2.
CHECK PNP SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM harness connector and BCM harness connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2604
PNP SWITCH
BCM detects the following status for 500 ms or more
when the ignition switch is in the ON position.
• P/N switch indicates vehicle is in P or N shift posi-
tion. Signal from TCM indicates vehicle is in forward
or reverse gear.
• P/N switch indicates vehicle is in forward or reverse
gear. Signal from TCM indicates vehicle is in P or N.
• Harness or connectors
[The park/neutral position (PNP)
switch circuit is open or shorted.]
• Park/ neutral position (PNP) switch
• TCM
SEC-284
< COMPONENT DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
B2604 PNP SWITCH
3. Check continuity between TCM harness connector and BCM
harness connector.
4. Check continuity between TCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
>> Inspection End.
TCM
BCM
Continuity
Connector
Terminal
Connector
Terminal
A: F16
20
B: M18
48
Yes
TCM
Ground
Continuity
Connector
Terminal
A: F16
20
Ground
No
ALKIA1317ZZ
B2605 PNP SWITCH
SEC-285
< COMPONENT DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2605 PNP SWITCH
Description
INFOID:0000000004206240
BCM confirms the shift position with the following 4 signals.
• CVT selector lever
• P/N position switch
• P position signal from IPDM E/R (CAN)
• P position signal from TCM (CAN)
DTC Logic
INFOID:0000000004206241
DTC DETECTION LOGIC
NOTE:
• If DTC B2605 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2605 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 1 second.
-
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-285, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206242
1.
CHECK DTC WITH IPDM E/R
Check “Self diagnostic result” with CONSULT-III. Refer to
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace malfunctioning parts.
2.
CHECK PNP SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM harness connector and BCM harness connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2605
PNP SWITCH
BCM detects the following status for 500 ms or
more when the ignition switch is in ON position
• N position input signal exists. Shift position signal
from IPDM E/R does not exist.
• N position input signal does not exist. Shift posi-
tion signal from IPDM E/R exists.
• Harness or connectors
[The park/neutral position (PNP)
switch circuit is open or shorted.]
• Park/neutral position (PNP) switch
• IPDM E/R
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