Infiniti EX35. Manual — part 1292
SEC-64
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2603 SHIFT POSITION STATUS
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK CONTROL DEVICE POWER SUPPLY
1.
Disconnect control device (detention switch) connector.
2.
Check voltage between control device (detention switch) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK CONTROL DEVICE POWER SUPPLY CIRCUIT
1.
Disconnect BCM connector M122.
2.
Check continuity between control device (detention switch) harness connector and BCM harness connec-
tor.
3.
Check continuity between control device (detention switch) harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-84, "Removal and Installation"
NO
>> Repair or replace harness or connector.
5.
CHECK CONTROL DEVICE CIRCUIT
1.
Disconnect BCM connector M122 and IPDM E/R connector E6.
2.
Check continuity between control device (detention switch) harness connector and BCM harness connec-
tor.
3.
Check continuity between control device (detention switch) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connector.
TCM
Ground
Continuity
Connector
Terminal
F51
9
Not existed
(+)
(–)
Voltage (V)
(Approx.)
Control device (detention switch)
Connector
Terminal
M137
10
Ground
Battery voltage
Control device (detention switch)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M137
10
M122
96
Existed
Control device (detention switch)
Ground
Continuity
Connector
Terminal
M137
10
Not existed
Control device (detention switch)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M137
11
M122
99
Existed
Control device (detention switch)
Ground
Continuity
Connector
Terminal
M137
11
Not existed
B2603 SHIFT POSITION STATUS
SEC-65
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
6.
CHECK CONTROL DEVICE (DETENTION SWITCH)
SEC-60, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace control device. Refer to
TM-156, "2WD : Removal and Installation"
"AWD : Removal and Installation"
(AWD).
7.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
SEC-66
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2604 PNP SWITCH
B2604 PNP SWITCH
Description
INFOID:0000000003586555
BCM confirms the shift position with the following 4 signals.
• Selector lever
• P/N position switch
• P position signal from IPDM E/R (CAN)
• P position signal from TCM (CAN)
DTC Logic
INFOID:0000000003586556
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.
-
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:0000000003586557
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 the malfunctioning parts.
2.
CHECK PNP SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TCM connector and BCM connector M123.
3.
Check continuity between TCM harness connector and BCM harness connector.
4.
Check continuity between TCM 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
[Park/neutral position (PNP) switch
circuit is open or shorted.]
• Park/ neutral position (PNP) switch
TCM
BCM
Continuity
Connector
Terminal
Connector
Terminal
F51
9
M123
140
Existed
B2604 PNP SWITCH
SEC-67
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
TCM
Ground
Continuity
Connector
Terminal
F51
9
Not existed
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