Nissan Qashqai J11. Manual — part 220
ECH-178
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0135 HO2S1 HEATER
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
Check the following.
• Harness for open or short between heated oxygen sensor 1 and fuse
>> Repair or replace harness or connectors.
6.
CHECK HO2S1 OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between HO2S1 harness connector and ECM harness connector.
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
7.
CHECK INTERMITTENT INCIDENT
Perform
GI-41, "Intermittent Incident"
.
YES
>> Replace heated oxygen sensor 1.
NO
>> Repair or replace harness or connectors.
HO2S1
Ground
Voltage
Connector
Terminal
F48
4
Ground
Battery voltage
HO2S1
ECM
Continuity
Connector
Terminal
Connector
Terminal
F48
3
F17
91
Existed
P0136 HO2S2
ECH-179
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
P0136 HO2S2
DTC Logic
INFOID:0000000010379073
DTC DETECTION LOGIC
NOTE:
If DTC P0136 is display with DTC P0014, P0095, P0105 or P0155, first perform the trouble diagnosis for DTC
DTC P0014, P0095, P0105 or P0155. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
Turn ignition switch OFF and wait at least 12 minutes.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for 5 minutes.
2.
Check DTC.
Is DTC detected?
YES
>> Go to
ECH-179, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379074
1.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
Check ECM connector connection F18.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ECM connector connection.
2.
CHECK HEATED OXYGEN SENSOR 2 HARNESS CONNECTOR CONNECTION
Check heated oxygen sensor 2 harness connector connection F10.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace heated oxygen sensor 2 harness connector.
3.
CHECK GROUND CONNECTION
Check ground connection E4. Refer to Ground Inspection in
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace ground connection.
4.
CHECK HO2S2 GROUND CIRCUIT FOR OPEN AND SHORT
1.
Disconnect heated oxygen sensor 2 harness connector.
2.
Disconnect ECM harness connector.
3.
Check the continuity between HO2S2 harness connector and ECM harness connector.
DTC No.
CONSULT screen terms
(Trouble diagnosis con-
tent)
DTC detecting condition
Possible cause
P0136
O2 SENSOR 2 B1
(O2 sensor circuit bank 1
sensor 2)
• Heated oxygen sensor 2 voltage to ECM is
0.02 V or less for 30 seconds.
• Heated oxygen sensor 2 voltage to ECM is
1.395 V or more for 0.01 second.
• Heated oxygen sensor 2 voltage to ECM is
0.275 V or more after more than 10s of in-
jection cut-off for 1.001 seconds.
• Harness or connectors
(The sensor circuit is open or shorted)
• Heated oxygen sensor 2
ECH-180
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0136 HO2S2
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.
CHECK HO2S2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between HO2S2 harness connector and ECM harness connector.
2.
Check the continuity between HO2S2 harness connector or ECM harness connector and ground.
3.
Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
YES
>> Replace heated oxygen sensor 2.
NO
>> Repair or replace error-detected parts.
HO2S2
ECM
Continuity
Connector
Terminal
Connector
Terminal
F10
1
F18
100
Existed
HO2S2
ECM
Continuity
Connector
Terminal
Connector
Terminal
F10
2
F18
112
Existed
HO2S2
ECM
Ground
Continuity
Connector
Terminal
Connector
Terminal
F10
2
F18
112
Ground
Not existed
P0141 HO2S2 HEATER
ECH-181
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
P0141 HO2S2 HEATER
DTC Logic
INFOID:0000000010379076
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
Turn ignition switch OFF and wait at least 12 minutes.
>> 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
>> Go to
ECH-181, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379077
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Disconnect 15 A fuse (No. 55) from IPDM E/R.
3.
Check 15 A fuse for blown.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace 15 A fuse.
2.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
Check ECM connector connection F17.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace ECM connector connection.
3.
CHECK HEATED OXYGEN SENSOR 2 HARNESS CONNECTOR CONNECTION
Check heated oxygen sensor 2 harness connector connection F10.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace heated oxygen sensor 2 harness connector.
4.
CHECK GROUND CONNECTION
Check ground connection E4. Refer to Ground Inspection in
Is the inspection result normal?
DTC No.
CONSULT screen
terms
(Trouble diagnosis
content)
DTC detecting condition
Possible cause
P0141
O2 SENSOR 2
HEATER B1
(O2 sensor heater
circuit bank 1 sen-
sor 2)
• ECM detects open circuit of Heated oxygen
sensor 2 heater circuit for 1 second or more.
• ECM detects short circuit to power of Heated
oxygen sensor 2 heater circuit for 1 second or
more.
• ECM detects short circuit to ground of Heated
oxygen sensor 2 heater circuit for 1 second or
more.
• Harness or connectors
(The heated oxygen sensor 2 heater circuit is
open or shorted.)
• Heated oxygen sensor 2 heater
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