Nissan X-Trail 32. Manual — part 855
BASIC INSPECTION
EC-549
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17.
DETECT MALFUNCTIONING PART
Check the following.
• Check camshaft position sensor (PHASE) and circuit. Refer to
.
• Check crankshaft position sensor (POS) and circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 18.
NO
>> Repair or replace. Then GO TO 4
18.
CHECK ECM FUNCTION
1.
Substitute another known-good ECM to check ECM function. (ECM may be the cause of an incident, but
this is a rare case.)
2.
Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to
SEC-262, "ECM : Work Procedure"
(With intelligent key system) or
SEC-100, "ECM : Work Procedure"
(Without intelligent key system).
>> GO TO 4.
EC-550
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ADDITIONAL SERVICE WHEN REPLACING ECM
ADDITIONAL SERVICE WHEN REPLACING ECM
Description
INFOID:0000000010986271
When replacing ECM, the following procedure must be performed. (For details, refer to
.)
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM information. Be sure to follow the pro-
cedure to perform the programming.
Work Procedure
INFOID:0000000010986272
1.
SAVE ECM DATA
With CONSULT
1.
Turn ignition switch OFF.
2.
Reconnect all harness connectors disconnected.
3.
Turn ignition switch ON.
4.
Select “SAVING DATA FOR REPLC CPU” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
5.
Follow the instruction of CONSULT display.
NOTE:
• Necessary data in ECM is copied and saved to CONSULT.
• Go to Step 2 regardless of with or without success in saving data.
>> GO TO 2.
2.
CHECK ECM PART NUMBER
Check ECM part number to see whether it is blank ECM or not.
NOTE:
• Part number of blank ECM is 23703 -
×××××
.
• Check part number when ordering ECM or the one included in the label on the container box.
Is the ECM a blank ECM?
YES
>> GO TO 3.
NO
>> GO TO 5.
3.
SAVE ECM PART NUMBER
Read out the part number from the old ECM and save the number, following the programming instructions.
Refer to CONSULT Operation Manual.
NOTE:
• The ECM part number is saved in CONSULT.
• Even when ECM part number is not saved in CONSULT, go to 4.
>> GO TO 4.
4.
PERFORM ECM PROGRAMMING
After replacing ECM, perform the ECM programming. Refer to CONSULT Operation Manual.
NOTE:
• Refer to
EC-806, "Removal and Installation"
for replacement of ECM.
• During programming, maintain the following conditions:
- Ignition switch: ON
- Electric load: OFF
- Brake pedal: Not depressed
- Battery voltage: 12 – 13.5 V (Be sure to check the value of battery voltage by selecting “BATTERY VOLT” in
“Data monitor” of CONSULT.)
>> GO TO 6.
5.
REPLACE ECM
ADDITIONAL SERVICE WHEN REPLACING ECM
EC-551
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EC-806, "Removal and Installation"
>> GO TO 6.
6.
PERFORM INITIALIZATION OF IVIS (NATS) SYSTEM AND REGISTRATION OF ALL IVIS (NATS) IGNI-
TION KEY IDS
SEC-100, "ECM : Work Procedure"
(with intelligent key system) or
(without intelligent key system).
>> GO TO 7.
7.
CHECK ECM DATA STATUS
Check if the data is successfully copied from the ECM at Step 1 (before replacement) and saved in CONSULT.
Is the data saved successfully?
YES
>> GO TO 8.
NO
>> GO TO 9.
8.
WRITE ECM DATA
With CONSULT
1.
Select “WRITING DATA FOR REPLC CPU” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
2.
Follow the instruction of CONSULT display.
NOTE:
The data saved by “SAVING DATA FOR REPLC CPU” is written to ECM.
>> GO TO 10.
9.
PERFORM VIN REGISTRATION
>> GO TO 10.
10.
PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Perform Accelerator Pedal Released Position Learning. Refer to
.
>> GO TO 11.
11.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform Throttle Valve Closed Position Learning. Refer to
.
>> GO TO 12.
12.
PERFORM IDLE AIR VOLUME LEARNING
Perform Idle Air Volume Learning. Refer to
>> END
EC-552
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VIN REGISTRATION
VIN REGISTRATION
Description
INFOID:0000000010986273
VIN Registration is an operation to registering VIN in ECM. It must be performed each time ECM is replaced.
Work Procedure
INFOID:0000000010986274
1.
CHECK VIN
Check the VIN of the vehicle and note it. Refer to
GI-38, "Information About Identification or Model Code"
>> GO TO 2.
2.
PERFORM VIN REGISTRATION
With CONSULT
1.
Turn ignition switch ON and engine stopped.
2.
Select “VIN REGISTRATION” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
3.
Follow the instruction of CONSULT display.
>> END
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