Nissan Pathfinder. Manual — part 1053
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
SEC-75
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
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NOTE:
If “READ CONFIGURATION” can not be used, use the “WRITE CONFIGURATION - Manual selection” after
replacing BCM.
>> GO TO 2.
2.
REPLACE BCM
BCS-80, "Removal and Installation"
.
>> GO TO 3.
3.
WRITING VEHICLE SPECIFICATION
CONSULT Configuration
Perform “WRITE CONFIGURATION - Config file” or “WRITE CONFIGURATION - Manual selection” to write
vehicle specification. Refer to
BCS-65, "CONFIGURATION (BCM) : Work Procedure"
.
>> GO TO 4.
4.
INITIALIZE BCM (NATS)
Perform BCM initialization. (NATS) Refer to the CONSULT Immobilizer mode and follow the on-screen instruc-
tions.
>> WORK END
SEC-76
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
P1610 LOCK MODE
DTC/CIRCUIT DIAGNOSIS
P1610 LOCK MODE
Description
INFOID:0000000009175968
ECM forcibly switches to the mode that inhibits engine start, when engine start operation is performed 5 times
or more while communication between ECM and BCM is not normal.
DTC Logic
INFOID:0000000009175969
DTC DETECTION LOGIC
NOTE:
• If DTC B1610 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B1610 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.
2. Check DTC in “Self-Diagnostic Result” mode of “ENGINE” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009175970
1.
CHECK ENGINE START FUNCTION
1. Check that there are no DTC’s except for DTC P1610 detected.
If detected, erase the DTC after fixing.
2. Turn ignition switch OFF.
3. Contact the registered Intelligent Key backside to push-button ignition switch and wait 5 seconds.
4. Turn ignition switch ON.
5. Turn ignition switch OFF and wait 5 seconds.
6. Repeat steps 3 and 5 twice (a total of 3 times).
7. Check that engine can start.
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1610
LOCK MODE
When ECM detects a communication malfunction between
ECM and BCM 5 times or more.
—
P1611 ID DISCORD, IMMU-ECM
SEC-77
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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P1611 ID DISCORD, IMMU-ECM
DTC Logic
INFOID:0000000009175971
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check DTC in “Self-Diagnostic Result” mode of “ENGINE” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009175972
1.
PERFORM INITIALIZATION
Perform initialization of BCM and reregistration of all Intelligent Keys using CONSULT. Refer to the CONSULT
Immobilizer mode and follow the on-screen instructions.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK SELF DIAGNOSTIC RESULT
1. Select “Self Diagnostic Result” mode of “ENGINE” using CONSULT.
2. Erase DTC.
3. Perform DTC CONFIRMATION PROCEDURE for DTC P1611. Refer to
.
Is DTC detected?
YES
>> GO TO 3.
NO
>> Inspection End.
3.
REPLACE BCM
1. Replace BCM. Refer to
BCS-80, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on-screen instructions.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES
>> Inspection End.
NO
>> GO TO 4.
4.
REPLACE ECM
1. Replace ECM. Refer to
EC-466, "Removal and Installation"
2. Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”. Refer to
>> Inspection End.
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.
• Harness or connectors
(The CAN communication line is open
or shorted.)
• BCM
• ECM
SEC-78
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
P1612 CHAIN OF ECM-IMMU
P1612 CHAIN OF ECM-IMMU
DTC Logic
INFOID:0000000009175973
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.
2. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009175974
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
.
1.
CHECK BCM POWER SUPPLY AND GROUND CIRCUIT.
Check BCM power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the harness.
2.
CHECK ECM POWER SUPPLY AND GROUND CIRCUIT.
Check ECM power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the harness.
3.
PERFORM DTC CONFIRMATION PROCEDURE.
Perform the DTC confirmation procedure. Refer to
Does the DTC return?
YES
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
NO
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1612
CHAIN OF BCM-ECM
Inactive communication between BCM
and ECM
• Harness or connectors
(The CAN communication line is open or
shorted.)
• ECM
• BCM
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