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:
P2162 vehicle speed sensor
Description
ECM receives a rear wheel sensor signal from ABS actuator and electric unit
(control unit) via CAN communication
to switch combustion for the direct injection gasoline system. For the direct
injection gasoline system,
refer to EC-48, "DIRECT INJECTION GASOLINE SYSTEM : System ...
B2605 shift position
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2605 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
BCS-83, "DTC Logic".
• If DTC B2605 is displayed with DTC U1010, first perform the trouble diagnosis
for DTC U1010. Refer to
BCS-84, "D ...
P0172 fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensor 1. The ECM calculates
the necessary compensation to correct the ...
