Nissan Versa Note. Instruction — part 304
EC-198
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P0117, P0118 ECT SENSOR
P0117, P0118 ECT SENSOR
DTC Logic
INFOID:0000000009020713
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
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.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 5 seconds.
2. Check DTC.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009020714
1.
CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in
GI-41, "Intermittent Incident"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK ECT SENSOR POWER SUPPLY CIRCUIT
1. Disconnect engine coolant temperature (ECT) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between ECT sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.
CHECK ECT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between ECT sensor harness connector and ECM harness connector.
DTC No.
Trouble diagnosis content
DTC detecting condition
Possible cause
P0117
Engine coolant temperature
sensor circuit low input
An excessively low voltage from the sensor
is sent to ECM.
• Harness or connectors
(The sensor circuit is open or shorted.)
• Engine coolant temperature sensor
P0118
Engine coolant temperature
sensor circuit high input
An excessively high voltage from the sensor
is sent to ECM.
ECT sensor
Ground
Voltage
Connector
Terminal
F6
1
Ground
Approx. 5 V
P0117, P0118 ECT SENSOR
EC-199
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK ENGINE COOLANT TEMPERATURE SENSOR
EC-199, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace engine coolant temperature sensor. Refer to
5.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000009020715
1.
CHECK ENGINE COOLANT TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect engine coolant temperature sensor harness connector.
3. Remove engine coolant temperature sensor. Refer to
4. Check resistance between engine coolant temperature sensor
terminals by heating with hot water as shown in the figure.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace engine coolant temperature sensor. Refer to
ECT sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F6
2
F11
44
Existed
Terminals
Condition
Resistance
1 and 2
Temperature [
°C (°F)]
20 (68)
2.10 - 2.90 k
Ω
50 (122)
0.68 - 1.00 k
Ω
90 (194)
0.236 - 0.260 k
Ω
JMBIA0080ZZ
EC-200
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P0122, P0123 TP SENSOR
P0122, P0123 TP SENSOR
DTC Logic
INFOID:0000000009020716
DTC DETECTION LOGIC
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
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 more than 10 V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 1 second.
2. Check DTC.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009020717
1.
CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY CIRCUIT
1. Disconnect electric throttle control actuator harness connector.
2. Turn ignition switch ON.
3. Check the voltage between electric throttle control actuator harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
DTC No.
Trouble diagnosis content
DTC detecting condition
Possible cause
P0122
Throttle position sensor 2
circuit low input
An excessively low voltage from the TP sensor
2 is sent to ECM.
• Harness or connectors
(TP sensor 2 circuit is open or shorted.)
• Electric throttle control actuator
(TP sensor 2)
P0123
Throttle position sensor 2
circuit high input
An excessively high voltage from the TP sensor
2 is sent to ECM.
Electric throttle control actuator
Ground
Voltage
Connector
Terminal
F7
2
Ground
Approx. 5 V
P0122, P0123 TP SENSOR
EC-201
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
3.
CHECK THROTTLE POSITION SENSOR 2 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between electric throttle control actuator harness connector and ECM harness con-
nector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK THROTTLE POSITION SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between electric throttle control actuator harness connector and ECM harness con-
nector.
2. 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 THROTTLE POSITION SENSOR
EC-201, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
Replace electric throttle control actuator. Refer to
EM-28, "Removal and Installation"
>> INSPECTION END
7.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000009020718
1.
CHECK THROTTLE POSITION SENSOR
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Perform
.
4. Turn ignition switch ON.
5. Set selector lever to D (CVT) or 1st (M/T) position.
6. Check the voltage between ECM harness connector and ground.
Electric throttle control actuator
ECM
Continuity
Connector
Terminal
Connector
Terminal
F7
4
F11
36
Existed
Electric throttle control actuator
ECM
Continuity
Connector
Terminal
Connector
Terminal
F7
3
F11
34
Existed
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