Nissan Juke Service and Repair Manual : Additional service when replacing ECM
Description
When replacing ECM, this procedure must be performed.
Work Procedure
1.PRECONDITIONING
• Connect a CONSULT-III • Connect a battery charger • Electric load switch is OFF • Wait for the engine to cool [engine coolant temperature < 60?°C (140?°F) and air temperature < 50?°C (122?°F)].
NOTE
:
While the ECM is being programmed the cooling fan motors are triggered
automatically.
>> GO TO 2.
2.SAVE ECM DATA
Turn ignition switch ON.
Perform ???SAVE DATA FOR CPU REPLC??? in WORK SUPPORT mode with CONSULT-III.
>> GO TO 3.
3.REPLACE ECM
Replace ECM.
>> GO TO 4.
4.WRITE ECM DATA
1. Wait at least 30 seconds to turn ON the ignition switch.
2. Perform ???PRGRM REINITIALIZE??? in WORK SUPPORT mode with CONSULT-III.
3. Perform ???WRT DATA AFTR REPLC CPU??? in WORK SUPPORT mode with CONSULT-III.
4. Perform initialization of NATS system and registration of all NATS ignition key IDs.
Refer to SEC-50, "ECM : Work Procedure" (With intelligent key system), SEC-190, "ECM : Work Procedure" (Without intelligent key system).
5. Turn ignition switch OFF, wait at least 30 seconds and then turn ON.
6. Select ???DATA MONITOR??? mode in ECM with CONSULT-III.
7. Check that the ???CODE PROGRAM??? indication.
Which is displayed on CONSULT-III? YES >> GO TO 6.
NO >> GO TO 5.
5.WRITE ECM DATA
1. Perform initialization of NATS system and registration of all NATS ignition key IDs.
Refer to SEC-50, "ECM : Work Procedure" (With intelligent key system), SEC-190, "ECM : Work Procedure" (Without intelligent key system).
2. Turn ignition switch OFF, wait at least 30 seconds and then turn ON.
3. Select ???DATA MONITOR??? mode in ECM with CONSULT-III.
4. Check that the ???CODE PROGRAM??? indication.
Which is displayed on CONSULT-III? YES >> GO TO 6.
NO >> Repeat above steps.
6.PERFORM VIN REGISTRATION
1. Start engine and warm it up to normal operating temperature.
NOTE
:
The start-up phase may last up to 30 seconds.
2. Turn ignition switch OFF, wait at least 30 seconds and then turn ON.
3. Perform ???VIN REGISTRATION??? in WORK SUPPORT mode with CONSULT-III.
4. Follow the instruction of CONSULT-III display.
NOTE
:
After replace ECM, stored DTC may appear on other control unit. Clear the
malfunction memory of these
control unit.
>> END
Basic inspection
Description
NOTE:
Only consult the tests after following the diagnostic procedure chart.
Some specific checks are grouped under the ???tests??? heading and are used as
required in different dia ...
EGR volume control valve closed position learning
Description
EGR Volume Control Valve Closed Position Learning is an operation to learn
the fully closed position of the
EGR volume control valve by monitoring the EGR volume control valve control ...
Other materials:
P0300, P0301, P0302, P0303, P0304 misfire
DTC Logic
DTC DETECTION LOGIC
When a misfire occurs, engine speed will fluctuate. If the engine speed
fluctuates enough to cause the crankshaft
position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is
occurring.
The misfire detection logic consists of the following t ...
Door switch
Component Function Check
1.CHECK FUNCTION
1. Select “DOOR LOCK” of “BCM” using CONSULT-III.
2. Select “DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL”, “DOOR SW-RR”, “DOOR SW-BK”
in “DATA
MONITOR” mode.
3. Check that the function operates normally according to the following
conditions.
Is the ...
Combination meter
Reference Value
VALUES ON THE DIAGNOSIS TOOL
NOTE:
Some items are not available according to vehicle specification.
TERMINAL LAYOUT
PHYSICAL VALUES
Fail-Safe
FAIL-SAFE
The combination meter activates the fail-safe control if CAN communication
with each unit is malfuncti ...