Nissan Juke Service and Repair Manual : P0471 exhaust gas pressure sensor 1
DTC Logic
DTC DETECTION LOGIC
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? 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.
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.
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:
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and ...
Precaution
Precautions for Trouble Diagnosis
CAUTION:
• Never apply 7.0 V or more to the measurement terminal.
• Use a tester with open terminal voltage of 7.0 V or less.
• Turn the ignition switch OFF and disconnect the battery cable from the
negative terminal when
checking the harness.
Precautions fo ...
Engine oil
Inspection
ENGINE OIL LEVEL
NOTE:
Before starting engine, put vehicle horizontally and check the engine oil level.
If engine is already started, stop
it and allow 10 minutes before checking.
1. Pull out oil level gauge and wipe it clean.
2. Insert oil level gauge and check that the engine ...
