Nissan Qashqai J11. Manual - part 330
P0603, P062F ECM
ECM-297
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
C
D
E
F
G
H
I
J
K
L
M
A
ECM
N
P
O
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0603
1.
Turn ignition switch OFF and wait at least 10 seconds.
2.
Turn ignition switch ON and wait at least 10 seconds.
3.
Turn ignition switch OFF and wait at least 5 minutes.
4.
Turn ignition switch ON and wait at least 10 seconds.
5.
Repeat steps 3 and 4 for 5 times.
6.
Turn ignition switch ON.
7.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
ECM-297, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010702985
1.
INSPECTION START
Check that the battery negative terminal is not disconnected during ignition switch ON.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
ERASE DTC
1.
Start the engine and let it idle at least 10 seconds.
2.
Turn ignition switch OFF.
3.
Repeat steps 1 and 2 for 4 times.
4.
Erase DTC.
5.
Turn ignition switch OFF and wait at least 10 seconds.
6.
Start the engine and let it idle for 10 seconds.
7.
Check 1st trip DTC.
Is DTC P062F detected again?
YES
>> Replace ECM. Refer to
ECM-416, "Removal and Installation"
NO
>> INSPECTION END
3.
CHECK ECM POWER SUPPLY AND GROUND CIRCUIT
Check ECM power supply and ground circuit. Refer to
ECM-145, "Diagnosis Procedure"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Perform DTC confirmation procedure. Refer to
Is the DTC P0603 or P062F detected again?
YES
>> Replace ECM. Refer to
ECM-416, "Removal and Installation"
NO
>> INSPECTION END