Nissan Versa Note. Instruction — part 342
EC-350
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P0605 ECM
2.
REPLACE ECM
1. Replace ECM. Refer to
EC-465, "Removal and Installation"
2. Perform
.
>> INSPECTION END
P0607 ECM
EC-351
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0607 ECM
DTC Logic
INFOID:0000000009020850
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check DTC.
Is DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009020851
1.
INSPECTION START
1. Turn ignition switch ON.
2. Erase DTC.
3. Perform DTC confirmation procedure. Refer to
4. Check DTC.
Is the DTC P0607 displayed again?
YES
>> Replace ECM. Refer to
EC-465, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0607
ECM
(CAN communication bus)
When detecting error during the initial diagnosis
of CAN controller of ECM.
ECM
EC-352
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P0643 SENSOR POWER SUPPLY
P0643 SENSOR POWER SUPPLY
DTC Logic
INFOID:0000000009020852
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
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:0000000009020853
1.
CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK SENSOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector and ground.
DTC No.
Trouble diagnosis content
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
(Accelerator pedal position 1 circuit is shorted.)
(Throttle position sensor 1 circuit is shorted.)
(Camshaft position sensor circuit is shorted.)
(Exhaust valve timing control position sensor cir-
cuit is shorted.)
(Engine oil pressure sensor circuit is shorted.)
• Accelerator pedal position sensor
• Throttle position sensor
• Camshaft position sensor
• Exhaust valve timing control position sensor
• Engine oil pressure sensor
P0643 SENSOR POWER SUPPLY
EC-353
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 3.
3.
CHECK SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair short to ground or short to power in harness or connectors.
4.
CHECK COMPONENTS
Check the following.
• Throttle position sensor 1 (Refer to
EC-265, "Component Inspection"
.)
• Engine oil pressure sensor (Refer to
EC-337, "Component Inspection"
• Camshaft position sensor (Refer to
EC-281, "Component Inspection"
• Exhaust valve timing control position sensor (Refer to
EC-281, "Component Inspection"
.)
• Accelerator pedal position sensor 1 (Refer to
EC-413, "Component Inspection"
.)
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace malfunctioning component.
5.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
>> INSPECTION END
ECM
Ground
Voltage
(Approx.)
Connector
Terminal
F11
72
Ground
5 V
74
78
E16
106
ECM
Sensor
Connector
Terminal
Item
Connector
Terminal
F11
72
Throttle position sensor 1
F7
2
74
Engine oil pressure sensor
F38
1
78
Camshaft position sensor
F21
1
Exhaust valve timing control posi-
tion sensor
F56
E16
106
Accelerator pedal position sensor 1
E12
4
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