Nissan Frontier D22. Manual — part 311
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-347
[KA24DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Wiring Diagram
UBS00D82
BBWA0445E
EC-348
[KA24DE]
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure
UBS00D83
1.
CHECK RUBBER TUBE CONNECTED TO THE SENSOR
Check rubber tube connected to the sensor for clogging, vent, kink, disconnection or improper connection.
OK or NG
OK
>> GO TO 2.
NG
>> Reconnect, repair or replace.
2.
RETIGHTEN GROUND SCREWS
1.
Turn ignition switch OFF.
2.
Loosen and retighten engine ground screws.
>> GO TO 3.
3.
CHECK HARNESS CONNECTOR
1.
Disconnect EVAP control system pressure sensor harness con-
nector.
2.
Check sensor harness connector for water.
Water should not exist.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness connector.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
42
BR
Sensor power supply
[Ignition switch: ON]
Approximately 5V
43
B/W
Sensor ground
[Engine is running]
●
Warm-up condition
●
Idle speed
Approximately 0V
62
Y
EVAP control system pres-
sure sensor
[Ignition switch: ON]
1.8 - 4.8V
BBIA0431E
SEF341V
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-349
[KA24DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
4.
CHECK POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between EVAP control system pressure sensor
terminal 3 and engine ground with CONSULT-II or tester.
OK or NG
OK
>> GO TO 6.
NG
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors C1, M67
●
Harness connectors M59, F27
●
Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair harness or connectors.
6.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check harness continuity between EVAP control system pressure sensor terminal 1 and engine ground.
Refer to Wiring Diagram.
3.
Also check harness for short to power.
OK or NG
OK
>> GO TO 8.
NG
>> GO TO 7.
7.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors C1, M67
●
Harness connectors M81, F36
●
Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to power in harness or connectors.
Voltage
: Approximately 5V
SEF410Q
Continuity should exist.
EC-350
[KA24DE]
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
8.
CHECK INPUT SIGNAL CIRCUIT
1.
Disconnect ECM harness connector.
2.
Check harness continuity between ECM terminal 62 and EVAP control system pressure sensor terminal
2.
Refer to Wiring Diagram.
3.
Also check harness for short to ground and short to power.
OK or NG
OK (With CONSULT-II)>>GO TO 10.
OK (Without CONSULT-II)>>GO TO 11.
NG
>> GO TO 9.
9.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors C1, M67
●
Harness connectors M59, F27
●
Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
10.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
With CONSULT-II
1.
Start engine.
2.
Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with
CONSULT-II. Check that engine speed varies according to the
valve opening.
OK or NG
OK
>> GO TO 12.
NG
>> GO TO 11.
Continuity should exist.
SEF801Y
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