Nissan Quest E52. Instruction — part 512
EC-258
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
P0196 EOT SENSOR
NO
>> Replace engine oil temperature sensor. Refer to
P0197, P0198 EOT SENSOR
EC-259
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0197, P0198 EOT SENSOR
DTC Logic
INFOID:0000000009651102
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing 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.
Start engine and wait at least 5 seconds.
2.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651103
1.
CHECK EOT SENSOR POWER SUPPLY
1.
Disconnect engine oil temperature (EOT) sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between EOT sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
2.
CHECK EOT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between EOT sensor harness connector and ECM harness connector.
4.
Also check harness for short to ground and short to power.
DTC No.
Trouble Diagnosis
Name
DTC detecting condition
Possible Cause
P0197
Engine oil tempera-
ture 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 oil temperature sensor
P0198
Engine oil tempera-
ture sensor circuit
high input
An excessively high voltage from the sensor is
sent to ECM.
EOT sensor
Ground
Voltage
Connector
Terminal
F66
1
Ground
Approx. 5 V
EOT sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F66
2
F8
76
Existed
EC-260
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
P0197, P0198 EOT SENSOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
3.
CHECK ENGINE OIL TEMPERATURE SENSOR
Check engine oil temperature sensor. Refer to
EC-260, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
NO
>> Replace engine oil temperature sensor. Refer to
Component Inspection
INFOID:0000000009651104
1.
CHECK ENGINE OIL TEMPERATURE SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect engine oil temperature sensor harness connector.
3.
Remove engine oil temperature sensor. Refer to
.
4.
Check resistance between engine oil temperature sensor termi-
nals by heating with hot water as shown in the figure.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace engine oil temperature sensor. Refer to
.
Terminals
Condition
Resistance
1 and 2
Temperature [
°
C (
°
F)]
20 (68)
2.1 - 2.9 k
Ω
50 (122)
0.68 - 1.00 k
Ω
90 (194)
0.236 - 0.260 k
Ω
JMBIA0080ZZ
P0222, P0223 TP SENSOR
EC-261
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0222, P0223 TP SENSOR
DTC Logic
INFOID:0000000009651105
DTC DETECTION LOGIC
NOTE:
If DTC P0222 or P0223 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 before conduct-
ing 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
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651106
1.
CHECK THROTTLE POSITION SENSOR 1 POWER SUPPLY
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 2.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
2.
CHECK THROTTLE POSITION SENSOR 1 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 and ECM harness connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0222
Throttle position sensor
1 circuit low input
An excessively low voltage from the TP sensor
1 is sent to ECM.
• Harness or connectors
(TP sensor 1 circuit is open or shorted.)
• Electric throttle control actuator
(TP sensor 1)
P0223
Throttle position sensor
1 circuit high input
An excessively high voltage from the TP sensor
1 is sent to ECM.
Electric throttle control actuator
Ground
Voltage
Connector
Terminal
F29
1
Ground
Approx. 5 V
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