PR25DD engine
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR FOR WATER
- Turn ignition switch OFF.
- Disconnect EVAP control system pressure sensor harness connector.
- Check sensor harness connector for water.
Water should not exist.
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace harness connector.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY
- Turn ignition switch ON.
- Check the voltage between EVAP control system pressure sensor harness connector and ground.
+
-
Voltage
(Approx.)
EVAP control system pressure sensor
Connector
Terminal
B63 *1
B64 *2
3
Ground
5 V
*1: Without all wheel drive
*2: With all wheel drive
Is the inspection result normal?
YES
GO TO 4.
NO
GO TO 3.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
+
-
Continuity
EVAP control system pressure sensor
ECM
Connector
Terminal
Connector
Terminal
B63 *1
B64 *2
3
E31
135
Existed
*1: Without all wheel drive
*2: With all wheel drive
- Also check harness for short to ground and to power.
Is the inspection result normal?
YES
Perform the trouble diagnosis for power supply circuit.
NO
Repair or replace error-detected parts
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
+
-
Continuity
EVAP control system pressure sensor
ECM
Connector
Terminal
Connector
Terminal
B63 *1
B64 *2
1
E31
158
Existed
*1: Without all wheel drive
*2: With all wheel drive
- Also check harness for short to power.
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace error-detected parts.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR SIGNAL CIRCUIT
- Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
+
-
Continuity
EVAP control system pressure sensor
ECM
Connector
Terminal
Connector
Terminal
B63 *1
B64 *2
2
E31
131
Existed
*1: Without all wheel drive
*2: With all wheel drive
- Also check harness for short to ground and to power.
Is the inspection result normal?
YES
GO TO 6.
NO
Repair or replace error-detected parts.
- Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Check the EVAP control system pressure sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Replace EVAP control system pressure sensor. Refer to Removal and Installation (AWD) or Removal and Installation (FWD).