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:
Power supply and ground circuit
Diagnosis Procedure
1.CHECK 4WD CONTROL MODULE POWER SUPPLY (1)
1. Turn the ignition switch OFF.
2. Disconnect 4WD control module harness connector.
3. Check the voltage between 4WD control module harness connector and ground.
4. Turn the ignition switch ON.
CAUTION:
Never start the engin ...
P060B ECM
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.INSPECTION START
1. Turn ignition switch ON.
2. Erase DTC.
3. Turn ignition switch OFF and wait for 20 seconds.
4. Turn ignition switch ON and perform the self-diagnosis.
Is the DTC P060B displayed again?
YES >> GO TO 2.
NO &g ...
ECU diagnosis information
EPS control unit
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The output signal indicates the EPS control unit calculation data. The normal
values will be displayed
even in the event that the output circuit (harness) is open.
*1: Almost in accordance with the value of “MOTOR SIG”. ...