Nissan Altima L32. Instruction — part 1330
SEC-470
< COMPONENT DIAGNOSIS >
[SEDAN WITHOUT INTELLIGENT KEY]
B2602 SHIFT POSITION
B2602 SHIFT POSITION
Description
INFOID:0000000004499141
BCM confirms the shift position with the following 2 signals.
• CVT selector lever
• Speed signal from meter
DTC Logic
INFOID:0000000004499142
DTC DETECTION LOGIC
NOTE:
• If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2602 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 10 seconds.
-
CVT selector lever is in the P or N position
-
Depress the brake pedal.
2. Drive the vehicle for at least 10 seconds at a speed greater than 4 km/h (2 MPH).
3. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-470, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004499143
1.
CHECK DTC WITH “COMBINATION METER”
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 CVT DEVICE POWER SUPPLY
1. Turn ignition switch to ACC.
2. Disconnect CVT device (park position switch) harness connector.
3. Check voltage between CVT device (park position switch) har-
ness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> GO TO 3
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2602
SHIFT POSITION
BCM detects the following status for 10 seconds.
• Shift position is in P position
• Vehicle speed is 4km/h (2 MPH) or more
• Ignition switch is in the ON position
• Harness or connectors
(CVT drive circuit is open or short-
ed)
• CVT device (park position switch)
• Combination meter
CVT device (park position switch)
Ground
Voltage [V]
Connector
Terminal
M23
8
Ground
Battery voltage
ALKIA1349ZZ
B2602 SHIFT POSITION
SEC-471
< COMPONENT DIAGNOSIS >
[SEDAN WITHOUT INTELLIGENT KEY]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
3.
CHECK CVT DEVICE POWER SUPPLY CIRCUIT
1. Disconnect BCM harness connector.
2. Check continuity between BCM harness connector M19 (A) ter-
minal 84 and CVT device (park position switch) harness connec-
tor M23 (B) terminal 8.
3. Check continuity between BCM harness connector M19 (A) ter-
minal 84 and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-96, "Removal and Installation"
NO
>> Repair harness or connector.
4.
CHECK CVT DEVICE CIRCUIT
1. Disconnect BCM harness connector.
2. Check continuity between CVT device (park position switch)
harness connector and BCM harness connector.
3. Check continuity between CVT device (park position switch)
harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Repair harness or connector.
5.
CHECK CVT DEVICE
SEC-469, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 6
NO
>> Replace CVT device. Refer to
TM-431, "Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
.
>> Inspection End.
BCM
CVT device (park position switch)
Continuity
Connector
Terminal
Connector
Terminal
A: M19
84
B: M23
8
Yes
BCM
Ground
Continuity
Connector
Terminal
A: M19
84
Ground
No
ALKIA0445ZZ
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
SEC-472
< COMPONENT DIAGNOSIS >
[SEDAN WITHOUT INTELLIGENT KEY]
B2603 SHIFT POSITION STATUS
B2603 SHIFT POSITION STATUS
Description
INFOID:0000000004499144
BCM confirms the shift position with the following 2 signals.
• CVT selector lever
• P/N position switch
DTC Logic
INFOID:0000000004499145
DTC DETECTION LOGIC
NOTE:
• If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2603 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. Shift to N and wait for at least 1 second.
3. Shift to any gear other than P or N and wait for at least 1 second.
4. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-472, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004499146
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
Self-diagnosis
name
DTC detecting condition
Possible causes
B2603
SHIFT POSITION
STATUS
BCM detects the followings status for 500 ms or more when
shift is in P position and, ignition switch is in ON position.
• Park/neutral position (PNP) switch: approx. 0V
• CVT device (park position switch): approx 0V
• Harness or connector
(CVT device circuit is open
or shorted.)
• Harness or connectors
[Park/neutral position (PNP)
switch circuit is open or
shorted.]
• CVT device (park position
switch)
• Park/neutral position (PNP)
switch
B2603 SHIFT POSITION STATUS
SEC-473
< COMPONENT DIAGNOSIS >
[SEDAN WITHOUT INTELLIGENT KEY]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
3. Check continuity between TCM harness connector F16 (A) ter-
minal 20 and BCM harness connector M18 (B) terminal 48.
4. Check continuity between TCM harness connector F16 (A) ter-
minal 20 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK CVT DEVICE POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect CVT device (park position switch) harness connector.
3. Check voltage between CVT device (park position switch) har-
ness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 4
4.
CHECK CVT DEVICE POWER SUPPLY CIRCUIT
1. Disconnect BCM harness connector.
2. Check continuity between BCM harness connector M19 (A) ter-
minal 84 and CVT device (park position switch) harness connec-
tor M23 (B) terminal 8.
3. Check continuity between BCM harness connector M19 (A) ter-
minal 84 and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-96, "Removal and Installation"
NO
>> Repair harness or connector.
5.
CHECK CVT DEVICE CIRCUIT
1. Disconnect BCM harness connector.
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
CVT device (park position switch)
Ground
Voltage [V]
Connector
Terminal
M23
8
Ground
Battery voltage
ALKIA0444ZZ
BCM
CVT device (park position switch)
Continuity
Connector
Terminal
Connector
Terminal
A: M19
84
B: M23
8
Yes
BCM
Ground
Continuity
Connector
Terminal
A: M19
84
Ground
No
ALKIA0445ZZ
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