Nissan Rogue. Manual — part 540
EC-428
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
P2014, P2016, P2017, P2018 INTAKE MANIFOLD RUNNER CONTROL VALVE
POSITION SENSOR
NO
>> Repair or replace error-detected parts.
5.
CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between intake manifold runner control valve position sensor harness connector and
ECM harness connector.
4. Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between intake manifold runner control valve position sensor harness connector and
ECM harness connector.
2. Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace error-detected parts.
7.
CHECK INTERMITTENT INCIDENT
Perform
GI-44, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace intake manifold assembly. Refer to
EM-29, "Removal and Installation"
NO
>> Repair or replace error-detected parts.
8.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
+
-
Continuity
Intake manifold runner control
valve position sensor
ECM
Connector
Terminal
Connector
Terminal
F20
3
F52
92
Existed
+
-
Continuity
Intake manifold runner control
valve position sensor
ECM
Connector
Terminal
Connector
Terminal
F20
2
F52
83
Existed
P2096, P2097 A/F SENSOR 1
EC-429
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
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P2096, P2097 A/F SENSOR 1
DTC Description
INFOID:0000000011278145
DTC DETECTION LOGIC
POSSIBLE CAUSE
• A/F sensor 1
• A/F sensor 1 heater
• Heated oxygen sensor 2
• Fuel pressure
• Fuel injector
• Intake air leaks
• Exhaust gas leaks
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Clear the mixture ratio self-learning value. Refer to
.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and keep the engine speed between 3,500 and 4,000 rpm for 1 minute under no load.
4. Let engine idle for 1 minute.
5. Keep engine speed between 2,500 and 3,000 rpm for 20 minutes.
6. Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000011278146
1.
CHECK HARNESS CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect A/F sensor 1 harness connector.
3. Check harness connector for water.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P2096
POST CATALYST FUEL TRIM SYS B1
(Post catalyst fuel trim system too lean bank
1)
The output voltage computed by ECM from the A/F sensor 1 signal is shifts
to the lean side for a specified period.
P2097
POST CATALYST FUEL TRIM SYS B1
(Post catalyst fuel trim system too rich bank
1)
The A/F signal computed by ECM from the A/F sensor 1 signal is shifts to
the rich side for a specified period.
Water should not exit.
EC-430
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
P2096, P2097 A/F SENSOR 1
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness connector.
2.
RETIGHTEN A/F SENSOR 1 AND HEATED OXYGEN SENSOR 2
Loosen and retighten the A/F sensor 1 and heated oxygen sensor 2. Refer to
>> GO TO 3.
3.
CHECK FOR EXHAUST GAS LEAK
1. Start engine and run it at idle.
2. Listen for an exhaust gas leak before the three way catalyst 2.
Is exhaust gas leak detected?
YES
>> Repair or replace malfunctioning parts.
NO
>> GO TO 4.
4.
CHECK FOR INTAKE AIR LEAK
1. Reconnect A/F sensor 1 harness connector.
2. Start engine and run it at idle.
3. Listen for an intake air leak after the mass air flow sensor.
Is intake air leak detected?
YES
>> Repair or replace malfunctioning parts.
NO
>> GO TO 5.
5.
CLEAR THE MIXTURE RATIO SELF-LEARNING VALUE
1. Clear the mixture ratio self-learning value. Refer to
.
2. Run engine for at least 10 minutes at idle speed.
Is the 1st trip DTC P0171 or P0172 detected? Is it difficult to start engine?
YES
>> Perform trouble diagnosis for DTC P0171 or P0172. Refer to
.
NO
>> GO TO 6.
6.
CHECK A/F SENSOR 1 POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect A/F sensor 1 harness connector.
3. Turn ignition switch ON.
4. Check the voltage between A/F sensor 1 harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
CHECK A/F SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between A/F sensor 1 harness connector and IPDM E/R harness connector.
+
-
Voltage
A/F sensor 1
Connector
Terminal
F18
4
Ground
Battery voltage
P2096, P2097 A/F SENSOR 1
EC-431
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
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4. Also check harness for short to ground.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit.
NO
>> Repair or replace error-detected parts.
8.
CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between A/F sensor 1 harness connector and ECM harness connector.
4. Check the continuity between A/F sensor 1 harness connector and ground, or ECM harness connector
and ground.
5. Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace error-detected parts.
9.
CHECK A/F SENSOR 1 HEATER
Check the A/F sensor 1 heater. Refer to
EC-189, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 12.
10.
CHECK HEATED OXYGEN SENSOR 2
Check heated oxygen sensor 2. Refer to
EC-242, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Replace heated oxygen sensor 2. Refer to
.
+
−
Continuity
A/F sensor 1
IPDM E/R
Connector
Terminal
Connector
Terminal
F18
4
F35
75
Existed
+
−
Continuity
A/F sensor 1
ECM
Connector
Terminal
Connector
Terminal
F18
1
F51
41
Existed
2
45
+
-
Continuity
A/F sensor 1
Connector
Terminal
F18
1
Ground
Not existed
2
+
-
Continuity
ECM
Connector
Terminal
F51
41
Ground
Not existed
45
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