Nissan Qashqai J11. Manual — part 544
EC9-332
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P160C ECM
2.
Go to
>> INSPECTION END
5.
CHECK OTHER DTC-2
1.
Start engine and let it idle for at least 1 minutes.
2.
Check DTC.
Is the DTC U0415, P0101, P0135, P0190, P0201, P0202, P0203, P0204, P0217, P0226, P0471, P0544,
P1544, P1620, P1650, P2002, P2080, P2243, P2244, P2263, P2626 or P2A06 displayed?
YES
>> Perform the trouble diagnosis for DTC U0415, P0101, P0135, P0190, P0201, P0202, P0203,
P0204, P0217, P0226, P0471, P0544, P1544, P1620, P1650, P2002, P2080, P2243, P2244,
P2263, P2626 or P2A06, and GO TO 3. Refer to
.
NO
>> GO TO 6.
6.
CHECK RESULT OF PROCEDURE 2
Check result of procedure 2.
Is result of procedure 2 “YES”?
YES
>> GO TO 7.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
7.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Select “DATA MONITOR” mode with CONSULT.
2.
Drive the vehicle for at least 15 minutes at 0 - 50 km/h (0 - 31 MPH).
CAUTION:
Always drive vehicle at a safe speed.
3.
Check DTC.
Is DTC detected?
YES
>> Perform the trouble diagnosis for DTC U0415, P0101, P0135, P0190, P0201, P0202, P0203,
P0204, P0217, P0226, P0471, P0544, P1544, P1620, P1650, P2002, P2080, P2243, P2244,
P2263, P2626 or P2A06, and GO TO 3. Refer to
.
NO
>> INSPECTION END
P160D ECM
EC9-333
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
P160D ECM
DTC Logic
INFOID:0000000010309333
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 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC9-333, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010309334
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Turn ignition switch OFF and wait for 1 minute.
4.
Turn ignition switch ON and wait at least 1 second.
5.
Perform the self-diagnosis.
Is the DTC P160D displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE ECM
1.
Replace ECM.
2.
.
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P160D
COMPUTER
(Computer)
• 1.DEF: VALUES OUT-
SIDE TOLERANCES
ECM internal power supply malfunction.
ECM
EC9-334
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1620 ECM
P1620 ECM
DTC Logic
INFOID:0000000010309335
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DIAGNOSIS PROCEDURE
NOTE:
DTC P1620 can not duplicate.
>> Proceed to
EC9-334, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010309336
1.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
1.
Turn ignition switch OFF.
2.
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK AIR FUEL RATIO (A/F) SENSOR HARNESS CONNECTOR CONNECTIONS
Check A/F sensor harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK A/F SENSOR CIRCUIT FOR OPEN AND SHORT
Check A/F sensor circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK INTERMITTENT INCIDENT
Perform
GI-41, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> GO TO 5.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1620
PROPOR RICH SEN FNC
(Proportional richness sensor func-
tion)
• 1.DEF: VALUES OUTSIDE TOL-
ERANCES
ECM function is malfunctioning.
ECM
+
-
Continuity
ECM
A/F sensor
Connector
Terminal
Connector
Terminal
F82
89
F75
3
Existed
F83
115
6
116
2
119
1
P1620 ECM
EC9-335
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
NO
>> Repair or replace error-detected parts.
5.
REPLACE A/F SENSOR
Replace A/F sensor.
CAUTION:
• Discard any A/F sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a
hard surface such as a concrete floor; use a new one.
• Before installing new A/F sensor, clean exhaust system threads using Heated Oxygen Sensor
Thread Cleaner tool and approved anti-seize lubricant.
>> INSPECTION END
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