Infiniti FX35, FX50 (S51). Manual — part 1657
P1615 DIFFRENCE OF KEY
SEC-41
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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P1615 DIFFRENCE OF KEY
Description
INFOID:0000000005249434
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.
DTC Logic
INFOID:0000000005249435
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the push-button ignition switch.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005249436
1.
PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Reregister all Intelligent Keys.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
REPLACE INTELLIGENT KEY
1.
Replace Intelligent Key.
2.
Perform initialization with CONSULT-III.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1615
DIFFERENCE OF KEY
The ID verification results between BCM and Intelligent
Key are NG. The registration is necessary.
Intelligent Key
SEC-42
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2190 NATS ANTENNA AMP.
B2190 NATS ANTENNA AMP.
Description
INFOID:0000000005249437
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.
DTC Logic
INFOID:0000000005249438
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Insert Intelligent Key into the key slot.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the push-button ignition switch.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005249439
1.
INSPECTION START
Check the case in which DTC is detected.
• Case1: It is detected when Intelligent Key is inserted into key slot.
• Case2: It is detected after Intelligent Key is inserted into key slot and push-button ignition switch is pressed.
In which case is DTC detected?
Case1. >> GO TO 2.
Case2. >> GO TO 4.
2.
CHECK KEY SLOT INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES
>> Replace key slot. Refer to
SEC-219, "Removal and Installation"
NO
>> GO TO 3.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2190
NATS ANTENNA
AMP
Inactive communication between key slot and
BCM.
• Harness or connectors
(The key slot circuit is open or
shorted)
• Key slot
• BCM
(+)
(–)
Voltage (V)
(Approx.)
Key slot
Connector
Terminal
M22
2
Ground
Battery voltage
B2190 NATS ANTENNA AMP.
SEC-43
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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3.
CHECK KEY SLOT CIRCUIT
1.
Disconnect BCM connector M122.
2.
Check continuity between key slot harness connector and BCM harness connector.
3.
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-83, "Removal and Installation"
NO
>> Repair or replace harness.
4.
CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn to ON?
YES
>> GO TO 5.
NO
>> GO TO 7.
5.
CHECK KEY SLOT COMMUNICATION SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES
>> Replace key slot. Refer to
SEC-219, "Removal and Installation"
NO
>> GO TO 6.
6.
CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT
1.
Disconnect BCM connector M122.
2.
Check continuity between key slot harness connector and BCM harness connector.
3.
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-83, "Removal and Installation"
NO
>> Repair or replace harness.
7.
CHECK KEY SLOT GROUND CIRCUIT
Key slot
BCM
Continuity
Connector
Terminal
Connector
Terminal
M22
2
M122
80
Existed
Key slot
Ground
Continuity
Connector
Terminal
M22
2
Not existed
(+)
(–)
Voltage (V)
(Approx.)
Key slot
Connector
Terminal
M22
3
Ground
Battery voltage
Key slot
BCM
Continuity
Connector
Terminal
Connector
Terminal
M22
3
M122
81
Existed
Key slot
Ground
Continuity
Connector
Terminal
M22
3
Not existed
SEC-44
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2190 NATS ANTENNA AMP.
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness.
8.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
>> INSPECTION END
Key slot
Ground
Continuity
Connector
Terminal
M22
7
Existed
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