Nissan X-Trail 32. Manual — part 796
P0604 ECM
EC-313
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0604 ECM
DTC Description
INFOID:0000000010775205
DTC DETECTION LOGIC
POSSIBLE CAUSE
ECM
FAIL-SAFE
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
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 11 V or more at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON (engine stopped) and wait least 20 minutes.
CAUTION:
Never start engine during this procedure.
2.
Turn ignition switch OFF and wait at least 10 seconds.
3.
Turn ignition switch ON.
4.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010775206
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Perform DTC confirmation procedure. Refer to
Is the 1st trip DTC P0604 displayed again?
YES
>> Replace ECM. Refer to
EC-430, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0604
ECM
[Internal control module random access
memory (RAM) error]
Malfunction in the internal RAM of ECM.
Engine operating condition in fail-safe mode
Fail safe mode
Vehicle behavior
Others
(Computing part of ECM does not operate normally.)
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed
opening (approx. 5 degrees) by the return spring.
EC-314
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
P0605 ECM
P0605 ECM
DTC Description
INFOID:0000000010775207
DTC DETECTION LOGIC
POSSIBLE CAUSE
ECM
FAIL-SAFE
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
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 11 V or more with ignition
switch ON.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON (engine stopped) and wait least 20 minutes.
CAUTION:
Never start engine during this procedure.
2.
Turn ignition switch OFF and wait at least 10 seconds.
3.
Turn ignition switch ON.
4.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010775208
1.
INSPECTION START
1.
Erase self-diagnostic results. Refer to
2.
Perform “DTC Confirmation Procedure”. Refer to
.
Does 1st trip DTC P0605 duplicated?
YES
>> Replace ECM. Refer to
EC-430, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0605
ECM
[Internal control module read only memory
(ROM) error]
Malfunction in the internal ROM of ECM.
Engine operating condition in fail-safe mode
Fail safe mode
Vehicle behavior
Others
(Computing part of ECM does not operate normally.)
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed
opening (approx. 5 degrees) by the return spring.
P0606 ECM
EC-315
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0606 ECM
DTC Description
INFOID:0000000010775209
DTC DETECTION LOGIC
POSSIBLE CAUSE
ECM
FAIL-SAFE
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
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 11 V or more at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE-1
1.
Turn ignition switch ON (engine stopped) and wait at least 10 seconds.
CAUTION:
Never start engine during this procedure.
2.
Turn ignition switch OFF and wait at least 10 seconds.
3.
Turn ignition switch ON.
4.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE-2
1.
Start engine.
2.
Rev up the engine quickly to approximately 3,000 rpm under unloaded condition and completely release
the accelerator pedal.
3.
Let the engine idle and wait at least 10 seconds.
4.
Turn ignition switch OFF and wait at least 10 seconds.
5.
Turn ignition switch ON.
6.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0606
CONTROL MODULE
(Control module processor)
Malfunction in ECM processor.
Engine operating condition in fail-safe mode
Fail safe mode
Vehicle behavior
Others
(Computing part of ECM does not operate normally.)
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed
opening (approx. 5 degrees) by the return spring.
EC-316
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
P0606 ECM
Diagnosis Procedure
INFOID:0000000010775210
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Perform DTC confirmation procedure for 3 times. Refer to
.
Is the 1st trip DTC P0606 displayed again?
YES
>> Replace ECM. Refer to
EC-430, "Removal and Installation"
NO
>> INSPECTION END
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