Nissan March K13. Manual — part 191
![](/vehicles/gon/querow/ling/athuhay.png)
P0605 ECM
EC-225
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0605 ECM
DTC Logic
INFOID:0000000005989311
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A
1.
Turn ignition switch ON.
2.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B
1.
Turn ignition switch ON and wait at least 1 second.
2.
Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
3.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> GO TO 4.
4.
PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C
1.
Turn ignition switch ON and wait at least 1 second.
2.
Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
3.
Repeat step 2 for 32 times.
4.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005989312
1.
INSPECTION START
1.
Erase DTC.
2.
Perform DTC CONFIRMATION PROCEDURE.
See
.
Is the 1st trip DTC P0605 displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE ECM
1.
Replace ECM. Refer to
.
2.
.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0605
Engine control module
A)
ECM calculation function is malfunctioning.
• ECM
B)
ECM EEP-ROM system is malfunctioning.
C)
ECM self shut-off function is malfunctioning.
EC-226
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
P0605 ECM
>> INSPECTION END
![](/vehicles/gon/querow/ling/ofove.png)
P0607 ECM
EC-227
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0607 ECM
DTC Logic
INFOID:0000000006014758
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006014759
1.
INSPECTION START
1.
Erase DTC.
2.
Perform DTC CONFIRMATION PROCEDURE.
See
.
3.
Check DTC.
Is the DTC P0607 displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE ECM
1.
Replace ECM.
2.
.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0607
CAN communication bus
When detecting error during the initial diagnosis
of CAN controller of ECM.
• ECM
![](/vehicles/gon/querow/ling/mid.png)
EC-228
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
P0643 SENSOR POWER SUPPLY
P0643 SENSOR POWER SUPPLY
DTC Logic
INFOID:0000000005989313
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005989314
1.
CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT
1.
Disconnect accelerator pedal position (APP) sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0643
Sensor power supply circuit
short
ECM detects a voltage of power source
for sensor is excessively low or high.
• Harness or connectors
(APP sensor 1 circuit is shorted.)
(TP sensor circuit is shorted.)
[Camshaft position sensor (PHASE) circuit is
shorted.]
• Accelerator pedal position sensor
• Throttle position sensor
• Camshaft position sensor (PHASE)
APP sensor
Ground
Voltage
Connector
Terminal
E110
4
Ground
Approx. 5 V
ECM
Sensor
Connector
Terminal
Item
Connector
Terminal
F16
72
Electric throttle control actuator
F29
1
78
CMP sensor (PHASE)
F26
1
E18
106
APP sensor
E110
4
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