Nissan Sentra. Manual — part 758
SEC-60
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
DIAGNOSIS AND REPAIR WORK FLOW
Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?
YES
>> GO TO 8.
NO
>> Check according to
GI-39, "Intermittent Incident"
.
8.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3. Check DTC. If DTC is detected, erase it.
>> GO TO 9.
9.
FINAL CHECK
When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the
malfunction is repaired securely.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the
symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 7.
YES-2 >> Symptom remains: GO TO 4.
NO
>> Before returning the vehicle to the customer, always erase DTC.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
SEC-61
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
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ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ECM
ECM : Description
INFOID:0000000009756695
Performing the following procedure can automatically activate recommunication of ECM and BCM, but only
when the ECM is replaced with a new one*.
*: New one means an ECM that has never been energized on-board.
(In this step, initialization procedure using CONSULT is not necessary)
NOTE:
• When the replaced ECM is not a brand new, the specified procedure (Initialization of BCM and regis-
tration of Intelligent Keys) using CONSULT is necessary.
• If multiple keys are attached to the key holder, separate them before beginning work.
• Distinguish keys with unregistered key IDs from those with registered IDs.
ECM : Work Procedure
INFOID:0000000009756696
1.
PERFORM ECM RECOMMUNICATING FUNCTION
1. Install ECM.
2. Contact backside of the registered Intelligent key* to push-button ignition switch while brake pedal is
depressed, then turn ignition switch ON.
*: To perform this step, use the key that is used before performing ECM replacement.
3. Maintain ignition switch in the ON position for at least 5 seconds.
4. Turn ignition switch OFF.
5. Check that the engine starts.
>> GO TO 2.
2.
PERFORM ADDITIONAL SERVICE WHEN REPLACING ECM
Perform additional service when replacing ECM. Refer to
.
>> Inspection End
BCM
BCM : Description
INFOID:0000000009756697
BEFORE REPLACEMENT
When replacing BCM, save or print current vehicle specification with CONSULT configuration before replace-
ment.
NOTE:
If “Before Replace ECU” cannot be used, use the “After Replace ECU” or “Manual Configuration” after replac-
ing BCM.
AFTER REPLACEMENT
CAUTION:
• When replacing BCM, you must perform “After Replace ECU” with CONSULT.
- Complete the procedure of “After Replace ECU” in order.
- If you set incorrect “After Replace ECU”, incidents might occur.
- Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
• When replacing BCM, perform the system initialization (NATS).
BCM : Work Procedure
INFOID:0000000009756698
1.
SAVING VEHICLE SPECIFICATION
CONSULT
Enter "Re/Programming, Configuration" and perform “Before Replace ECU” to save or print current vehicle
specification.
NOTE:
SEC-62
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
If “Before Replace ECU” cannot be used, use the "After Replace ECU" or "Manual Configuration" after replac-
ing BCM.
>> GO TO 2.
2.
REPLACE BCM
Replace BCM. Refer to
BCS-73, "Removal and Installation"
>> GO TO 3.
3.
WRITING VEHICLE SPECIFICATION
CONSULT
1. Enter "Re/Programming, Configuration".
2. If “Before Replace ECU” operation was performed, automatically an "Operation Log Selection" screen will
be displayed. Select the applicable file from the "Saved Data List" and press “Confirm” to write vehicle
specification. Refer to
BCS-60, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) :
3. If “Before Replace ECU” operation was not performed, select "After Replace ECU" or "Manual Configura-
tion" to write vehicle specification. Refer to
BCS-60, "ADDITIONAL SERVICE WHEN REPLACING CON-
TROL UNIT (BCM) : Work Procedure"
.
>> GO TO 4.
4.
INITIALIZE BCM (NATS)
Perform BCM initialization. (NATS)
>> Work End.
P1610 LOCK MODE
SEC-63
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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DTC/CIRCUIT DIAGNOSIS
P1610 LOCK MODE
Description
INFOID:0000000009756699
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:0000000009756700
DTC DETECTION LOGIC
NOTE:
If DTC P1610 is displayed with other DTC (for BCM or ENGINE), first perform the trouble diagnosis for other
DTC.
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:0000000009756701
1.
CHECK ENGINE START FUNCTION
1. Check that DTC except for DTC P1610 is not detected.
If detected, erase the DTC after fixing.
2. Turn ignition switch OFF.
3. Depress brake pedal and contact the registered Intelligent Key backside to push-button ignition switch,
then 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.
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