Nissan Maxima. Manual — part 1052
P1610 LOCK MODE
SEC-33
< DTC/CIRCUIT DIAGNOSIS >
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2. Check continuity between key slot harness connector M40 (A)
terminal 3 and BCM harness connector M19 (B) terminal 69.
3. Check continuity between key slot harness connector M40 (A)
terminal 3 and ground.
Is the inspection result normal?
YES
>> GO TO 8
NO
>> Repair harness or connector.
7.
CHECK KEY SLOT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key slot harness connector.
3. Check continuity between key slot harness connector M40 ter-
minal 7 and ground.
Is the inspection result normal?
YES
>> GO TO 8
NO
>> Repair harness or connector.
8.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
>> Inspection End.
Key slot
BCM
Continuity
Connector
Terminal
Connector
Terminal
A: M40
3
B: M19
69
Yes
Key slot
Ground
Continuity
Connector
Terminal
A: M40
3
Ground
No
ALKIA0431ZZ
Key slot
Ground
Continuity
Connector
Terminal
M40
7
Ground
Yes
ALKIA0344ZZ
SEC-34
< DTC/CIRCUIT DIAGNOSIS >
P1611 ID DISCORD, IMMU-ECM
P1611 ID DISCORD, IMMU-ECM
Description
INFOID:0000000010051924
BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if
ignition switch is turned ON.
DTC Logic
INFOID:0000000010051925
DTC DETECTION LOGIC
NOTE:
• If DTC P1611 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC P1611 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:
-
CVT selector lever is in the P or N position.
-
Do not depress the brake pedal.
2. Check “Self Diagnostic Result” with CONSULT.
Is DTC detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010051926
1.
PERFORM INITIALIZATION
Perform initialization with CONSULT. Re-register all Intelligent Keys.
For initialization and registration of Intelligent Key, refer to “CONSULT Immobilizer mode and follow the on-
screen instructions.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?
YES
>> ID was unregistered.
NO
>> BCM is malfunctioning.
• Replace BCM. Refer to
BCS-79, "Removal and Installation"
.
• Perform initialization again.
• Replace ECM.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
P1611
ID DISCORD, IMMU-
ECM
The ID verification results between BCM and ECM
are NG. The registration is necessary.
• BCM
• ECM
P1612 CHAIN OF ECM-IMMU
SEC-35
< DTC/CIRCUIT DIAGNOSIS >
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P1612 CHAIN OF ECM-IMMU
Description
INFOID:0000000010051927
BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if
ignition switch is turned ON.
DTC Logic
INFOID:0000000010051928
DTC DETECTION LOGIC
NOTE:
• If DTC P1612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC P1612 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:
-
CVT selector lever is in the P or N position.
-
Do not depress brake pedal.
2. Check “Self Diagnostic Result” with CONSULT.
Is DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010051929
1.
REPLACE BCM
1. Replace BCM. Refer to
BCS-79, "Removal and Installation"
.
2. Perform initialization with CONSULT.
For initialization, refer to CONSULT Immobilizer mode and follow the on-screen instructions.
Does the engine start?
YES
>> BCM is malfunctioning.
• Replace BCM. Refer to
BCS-79, "Removal and Installation"
.
• Perform initialization again.
NO
>> ECM is malfunctioning.
• Replace ECM.
• Perform ECM re-communicating function.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
P1612
CHAIN OF ECM-
IMMU
Inactive communication between ECM and BCM.
• Harness or connectors
(The CAN communication line is
open or shorted)
• BCM
• ECM
SEC-36
< DTC/CIRCUIT DIAGNOSIS >
P1615 DIFFRENCE OF KEY
P1615 DIFFRENCE OF KEY
Description
INFOID:0000000010051930
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the start of engine when an unregistered ID of Intelligent Key is used.
DTC Logic
INFOID:0000000010051931
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Insert the Intelligent Key in the key slot. Press the push-button ignition switch.
2. Check “Self Diagnostic Result” with CONSULT.
Is DTC detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010051932
1.
PERFORM INITIALIZATION
Perform initialization with CONSULT. Re-register all Intelligent Keys.
For initialization and registration of Intelligent Key, refer to CONSULT Immobilizer mode and follow the on-
screen instructions.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?
YES
>> Intelligent Key was unregistered.
NO
>> BCM is malfunctioning.
• Replace BCM. Refer to
BCS-79, "Removal and Installation"
.
• Perform initialization again.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
P1615
DIFFERENCE OF
KEY
The ID verification results between BCM and Intel-
ligent Key are NG. The registration is necessary.
• Intelligent Key
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