Nissan Juke Service and Repair Manual : P0471 exhaust gas pressure sensor 1

DTC Logic

DTC DETECTION LOGIC

NOTE:


NOTE

:
If DTC P0471 is displayed with DTC P0470 or P2226, first perform trouble diagnosis for DTC P0470 or P2226.

Refer to EC-944, "DTC Logic" (P0470), EC-1002, "DTC Logic" (P2226).

Diagnosis Procedure

1.CHECK GROUND CONNECTIONS

1. Turn ignition switch OFF and wait at least 20 seconds.

2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit Inspection".

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace ground connection.

2.CHECK EXHAUST GAS PRESSURE SENSOR 1 AND EXHAUST GAS PIPE INSTALLATION

Check exhaust gas pressure sensor and exhaust gas pipe for poor installation and damage.

Is the inspection result normal? YES >> GO TO 3.

NO >> Install exhaust gas pressure sensor and exhaust gas pipe properly.

3.CHECK EXHAUST GAS PRESSURE SENSOR 1 POWER SUPPLY CIRCUIT

1. Disconnect exhaust pressure sensor 1 harness connector.

2. Turn ignition switch ON.

3. Check the voltage between exhaust gas pressure sensor 1 harness connector and ground.

Is the inspection result normal?


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 EXHAUST GAS PRESSURE SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF and wait at least 20 seconds.

2. Check the continuity between exhaust gas pressure sensor 1 harness connector and ECM harness connector.

3. Also check harness for short to ground and short to power.


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 EXHAUST PRESSURE SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1. Check the continuity between exhaust gas pressure sensor 1 harness connector and ECM harness connector.

2. Also check harness for short to ground and short to power.


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

Refer to GI-42, "Intermittent Incident".

Is the inspection result normal? YES >> Replace exhaust gas pressure sensor 1.

NO >> Repair or replace.

    P0470 exhaust gas pressure sensor 1
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0470 is displayed with DTC P0651 or P2263, first perform trouble diagnosis for DTC P0651 or P2263. Refer to EC-975, "DTC Logic" (P0651), ...

    P047A exhaust gas pressure sensor 2
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P047A is displayed with DTC P0651, first perform trouble diagnosis for DTC P0651. Refer to EC-975, "DTC Logic". Diagnosis Procedure 1.CHE ...

    Other materials:

    Cylinder block
    Exploded View 1. Cylinder block 2. Top ring 3. Second ring 4. Oil ring 5. Piston 6. Piston pin 7. Snap ring 8. Connecting rod 9. Connecting rod bearing (upper) 10. Connecting rod bearing (lower) 11. Crankshaft key 12. Connecting rod cap 13. Connecting rod cap bolt 14. Main ...

    Intelligent key
    Component Function Check 1.CHECK FUNCTION 1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III. 2. Select “RKE OPE COUN1” in “DATA MONITOR” mode. 3. Check that the function operates normally according to the following conditions. Is the inspection result normal? YES >> Intelligent ...

    B26E9 steering status
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Turn ignition switch OFF. 3. Press driver side door switch. 4. Turn ignition switch ON. 5. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III. ...