Infiniti G35 (V35) Sedan. Manual — part 1176
B2603 SHIFT POSITION STATUS
SEC-59
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
4.
Check continuity between A/T assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK A/T DEVICE POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect A/T device (detention switch) harness connector.
3.
Check voltage between A/T device (detention switch) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK A/T DEVICE POWER SUPPLY CIRCUIT
1.
Disconnect BCM harness connector M122.
2.
Check continuity between A/T device (detention switch) harness connector and BCM harness connector.
3.
Check continuity between A/T device (detention switch) harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
NO
>> Repair harness or connector.
5.
CHECK A/T DEVICE CIRCUIT
1.
Disconnect BCM harness connector M122.
2.
Check continuity between A/T device (detention switch) harness connector and BCM harness connector.
3.
Check continuity between A/T device (detention switch) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair harness or connector.
A/T assembly
Ground
Continuity
Connector
Terminal
F51
9
Ground
Not existed
A/T device (detention switch)
Ground
Voltage [V]
Connector
Terminal
M137
10
Ground
Battery voltage
A/T device (detention switch)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M137
10
M122
96
Existed
A/T device (detention switch)
Ground
Continuity
Connector
Terminal
M137
10
Ground
Not existed
A/T device
(detention switch)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M137
11
M122
99
Existed
A/T device (detention switch)
Ground
Continuity
Connector
Terminal
M137
11
Ground
Not existed
SEC-60
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2603 SHIFT POSITION STATUS
6.
CHECK A/T DEVICE
SEC-55, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace A/T device. Refer to
TM-232, "2WD : Removal and Installation"
(2WD models)
"AWD : Removal and Installation"
(AWD models)
7.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
>> INSPECTION END.
B2604 PNP SWITCH
SEC-61
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2604 PNP SWITCH
Description
INFOID:0000000000961380
BCM confirms the shift position with the following 4 signals.
• AT selector lever
• P/N position switch
• P position signal from IPDM E/R (CAN)
• P position signal from TCM (CAN)
DTC Logic
INFOID:0000000000961381
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 seconds.
-
A/T 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
>> Go to
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000000961382
1.
CHECK DTC WITH TCM
Check “Self diagnostic result” with CONSULT-III. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace.
2.
CHECK PNP SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect A/T assembly harness connector and BCM harness connector.
3.
Check continuity between A/T assembly harness connector and BCM harness connector.
4.
Check continuity between A/T assembly harness connector and ground.
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.
• N position input signal exists. Shift position signal
from TCM does not exist.
• N position input signal does not exist. Shift posi-
tion signal from TCM exists.
• Harness or connectors
[The park/neutral position (PNP)
switch circuit is open or shorted.]
• Park/ neutral position (PNP) switch
A/T assembly
BCM
Continuity
Connector
Terminal
Connector
Terminal
F51
9
M23
140
Existed
SEC-62
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2604 PNP SWITCH
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
>> INSPECTION END.
A/T assembly
Ground
Continuity
Connector
Terminal
F51
9
Ground
Not existed
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