Nissan Qashqai J11. Manual — part 217
ECH-166
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0106 INTAKE MANIFOLD PRESSURE SENSOR
P0106 INTAKE MANIFOLD PRESSURE SENSOR
DTC Logic
INFOID:0000000010379058
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.
Start engine and let it idle for at least 2 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECH-166, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379059
1.
CHECK INTAKE SYSTEM
Check the following for connection.
• Intake manifold pressure sensor
• Air duct
• Vacuum hoses
• Intake air passage between air duct and intake manifold.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning part.
2.
CHECK INTAKE MANIFOLD PRESSURE SENSOR AND ECM HARNESS CONNECTOR CONNECTIONS
Check intake manifold pressure sensor harness connector connection F99 and ECM harness connector con-
nection F18.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace intake manifold pressure sensor or ECM harness connector connection.
3.
CHECK INTAKE MANIFOLD PRESSURE SENSOR POWER SUPPLY CIRCUIT FOR OPEN AND SHORT
1.
Disconnect intake manifold pressure sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between intake manifold pressure sensor harness connector and ground.
Is the inspection result normal?
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0106
MAP/BAROMETRIC PRESS SEN-
SOR
(Manifold absolute pressure/baro-
metric pressure circuit range/perfor-
mance)
ECM detects abnormal voltage sig-
nal of intake manifold pressure sen-
sor.
• Harness or connectors
(The intake manifold pressure sen-
sor circuit is open or shorted.)
• Intake manifold pressure sensor
Intake manifold pressure sensor
Ground
Voltage (V)
Connector
Terminal
F99
1
Ground
Approx. 5
P0106 INTAKE MANIFOLD PRESSURE SENSOR
ECH-167
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
YES
>> GO TO 4.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
4.
CHECK INTAKE MANIFOLD PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between intake manifold pressure sensor harness connector and ECM harness con-
nector.
4.
Also check harness for short to ground and power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
5.
CHECK INTAKE MANIFOLD PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between intake manifold pressure sensor harness connector and ECM harness con-
nector.
2.
Also check harness for short to ground and power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
6.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace intake manifold pressure sensor.
NO
>> Repair or replace harness or connectors.
Intake manifold pressure sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F99
2
F18
114
Existed
Intake manifold pressure sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F99
3
F18
102
Existed
ECH-168
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0115 ECT SENSOR
P0115 ECT SENSOR
DTC Logic
INFOID:0000000010379061
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 8 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECH-168, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379062
1.
CHECK ECM HARNESS CONNECTOR CONNECTION
1.
Turn ignition switch OFF.
2.
Check ECM connector connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ECM connector connection.
2.
CHECK ENGINE COOLANT TEMPERATURE SENSOR HARNESS CONNECTOR CONNECTION
Check engine coolant temperature sensor harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace engine coolant temperature sensor harness connector connection.
3.
CHECK ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT FOR OPEN AND SHORT
1.
Disconnect ECM harness connector.
2.
Check the continuity engine coolant temperature sensor circuit.
3.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 6.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0115
COOLANT TEMP SEN [P0115]
(Engine coolant temperature
sensor 1 circuit)
• Engine coolant temperature sensor voltage sig-
nal above maximum threshold for 1 second or
more.
• Engine coolant temperature sensor voltage sig-
nal below minimum threshold for 1 second or
more.
• Abnormal coolant temperature gradient for 8
seconds or more.
• Harness or connectors
(Engine coolant temperature
sensor circuit is open or shorted.)
• Engine coolant temperature sen-
sor
ECM
Continuity
Connector
Terminal
Terminal
F17
75
81
Existed
P0115 ECT SENSOR
ECH-169
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
NO
>> GO TO 4.
4.
CHECK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL CIRCUIT
1.
Disconnect engine coolant temperature sensor harness connector.
2.
Check the continuity between engine coolant temperature sensor harness connector and ECM harness
connector.
3.
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 ENGINE COOLANT TEMPERATURE SENSOR GROUND CIRCUIT
1.
Check the continuity between engine coolant temperature sensor harness connector and ECM harness
connector.
2.
Also check harness for short to ground and 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
Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace engine coolant temperature sensor.
NO
>> Repair or replace error-detected parts.
Engine coolant temperature sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F72
2
F17
75
Existed
Engine coolant temperature sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F72
1
F17
81
Existed
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