heater NISSAN NOTE 2016 Service Owner's Manual

P0037, P0038 HO2S2 HEATEREC-177
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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P0037, P0038 HO2S2 HEATER
DTC LogicINFOID:0000000012431393
DTC DETECTION LOGIC
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 at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn ignition switch ON and select “DATA MONITOR” mode of “ENGINE” using CONSULT.
2. Start engine and warm it up to normal operating temperature.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
5. Let engine idle for 1 minute.
6. Check 1st trip DTC.
With GST
Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected?
YES >> Proceed to EC-177, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431394
1.CHECK HO2S2 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect heated oxygen sensor 2 (HO2S2) harness connector.
3. Turn ignition switch ON.
4. Check the voltage between HO2S2 harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P0037 HO2 HTR (B1)
(Heated oxygen sensor 2
heater control circuit low) The current amperage in the heated oxygen sensor 2
heater circuit is out of the normal range.
(An excessively low voltage signal is sent to ECM
through the heated oxygen sensor 2 heater.) • Harness or connectors
(Heated oxygen sensor 2 heater
circuit is open or shorted.)
• Heated oxygen sensor 2 heater
P0038 HO2 HTR (B1)
(Heated oxygen sensor 2
heater control circuit high) The current amperage in the heated oxygen sensor 2
heater circuit is out of the normal range.
(An excessively high voltage signal is sent to ECM
through the heated oxygen sensor 2 heater.) • Harness or connectors
(Heated oxygen sensor 2 heater
circuit is shorted.)
• Heated oxygen sensor 2 heater
HO2S2 GroundVoltage
Connector Terminal
E63 2Ground Battery voltage
Revision: August 2015 2016 Versa Note

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EC-178
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P0037, P0038 HO2S2 HEATER
NO >> Repair or replace error-detected parts.
2.CHECK HO2S2 OUTPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between HO2S2 harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK HEATED OXYGEN SENSOR 2 HEATER
Check the heated oxygen sensor 2 heater. Refer to EC-178, "
Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> GO TO 4.
4.REPLACE HEATED OXYGEN SENSOR 2
Replace heated oxygen sensor 2. Refer to EX-5, "
Exploded View".
CAUTION:
• Discard any sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; use a new one.
• Before installing new sensor, clean exhaust system threads usi ng Oxygen Sensor Thread Cleaner
[commercial service tool (J-43897-18 or J43897-12)] and approved Anti-seize Lubricant (commercial
service tool).
>> INSPECTION END
Component InspectionINFOID:0000000012431395
1.CHECK HEATED OXYGEN SENSOR 2 HEATER
1. Turn ignition switch OFF.
2. Disconnect heated oxygen sensor 2 (HO2S2) harness connector.
3. Check resistance between HO2S2 terminals as per the following.
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE HEATED OXYGEN SENSOR 2
HO2S2 ECM
Continuity
Connector Terminal Connector Terminal
E63 3F10 5 Existed
Heated oxygen sensor 2
Resistance
+ −
Te r m i n a l
2 33.4 - 4.4 Ω [at 25°C (77 °F)]
1 2
∞ Ω
(Continuity should not exist)
3
4
4 1
2
3
Revision: August 2015
2016 Versa Note

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P0037, P0038 HO2S2 HEATEREC-179
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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Replace heated oxygen sensor 2. Refer to
EX-5, "Exploded View".
CAUTION:
• Discard any sensor which has been dropped from a he ight of more than 0.5 m (19.7 in) onto a hard
surface such as a concrete floor; use a new one.
• Before installing new sensor, clean exhaust syst em threads using Oxygen Sensor Thread Cleaner
[commercial service tool (J-43897-18 or J43897-12)] and approved Anti-seize Lubricant (commercial
service tool).
>> INSPECTION END
Revision: August 2015 2016 Versa Note

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EC-246
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P014C, P014D, P015A,
P015B, A/F SENSOR 1
NO >> GO TO 7.
7.DETECT MALFUNCTIONING PART
Check the following.
• IPDM E/R harness connector F42
• Harness for open or short between A/F sensor 1 and fuse
>> Repair or replace harness or connectors.
8.CHECK A/F SENSOR 1 INPUT SIGN AL CIRCUIT FOR OPEN AND SHORT
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 open circuit or short to ground or short to power in harness or connectors.
9.CHECK AIR FUEL RATIO (A/F) SENSOR 1 HEATER
Refer to EC-175, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 13.
10.CHECK MASS AIR FLOW SENSOR
Refer to EC-187, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 11.
NO >> Replace mass air flow sensor. Refer to EM-26, "
Removal and Installation".
11 .CHECK PCV VALVE
Refer to EC-476, "
Inspection".
Is the inspection result normal?
YES >> GO TO 12.
NO >> Repair or replace PCV valve. Refer to EM-48, "
Exploded View".
A/F sensor 1ECM
Continuity
Connector Terminal Connector Terminal
F12 1
F11 49
Existed
25 3
A/F sensor 1 Ground Continuity
Connector Terminal
F12 1
Ground Not existed
2
ECM Ground Continuity
Connector Terminal
F11 49
Ground Not existed
53
Revision: August 2015 2016 Versa Note

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EC-274
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P0300, P0301,
P0302, P0303, P0304 MISFIRE
NO >> Repair or replace.
13.CHECK IGNITION TIMING
Check the following items.
For procedure, refer to EC-472, "
Inspection".
For specification, refer to EC-478, "
Ignition Timing".
Is the inspection result normal?
YES >> GO TO 14.
NO >> Follow the EC-133, "
Work Procedure".
14.CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect A/F sensor 1 harness connector.
3. Disconnect ECM harness connector.
4. Check the continuity between A/F sensor 1 harness connector and ECM harness connector.
5. Check the continuity between A/F sensor 1 harness connector or ECM harness connector and ground.
6. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 15.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
15.CHECK A/F SENSOR 1 HEATER
Refer to EC-175, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 16.
NO >> Replace A/F sensor 1. Refer to EM-31, "
Exploded View".
16.CHECK MASS AIR FLOW SENSOR
With CONSULT
Check “MASS AIRFLOW” in “DATA MONITOR” mode with CONSULT.
With GST
Check mass air flow sensor signal in Service $01 with GST.
A/F sensor 1 ECM
Continuity
Connector Terminal Connector Terminal
F12 1
F11 49
Existed
25 3
A/F sensor 1 GroundContinuity
Connector Terminal
F12 1
Ground Not existed
2
ECM GroundContinuity
Connector Terminal
F11 49
Ground Not existed
53
0.8 - 4.0 g/s : at idling
2.0 - 10.0 g/s : at 2,500 rpm
Revision: August 2015 2016 Versa Note

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EC-364
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P1148 CLOSED LOOP CONTROL
P1148 CLOSED LOOP CONTROL
DTC LogicINFOID:0000000012431563
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble di
agnosis of DTC corresponding to A/F sensor 1.
Diagnosis ProcedureINFOID:0000000012431564
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to A/F sensor 1.
Refer to EC-87, "
DTCIndex".
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P1148 CLOSED LOOP-B1
(Closed loop control func-
tion) The closed loop control function does not
operate even when vehicle is being driven in
the specified condition. • Harness or connectors
(A/F sensor 1 circuit is open or shorted.)
• A/F sensor 1
• A/F sensor 1 heater
Revision: August 2015 2016 Versa Note

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EC-398
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P2096, P2097 A/F SENSOR 1
P2096, P2097 A/F SENSOR 1
DTC LogicINFOID:0000000012431611
DTC DETECTION LOGIC
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 EC-132, "
Description".
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 >> Go to EC-398, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431612
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. 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.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 EM-31, "
Removal and Installa-
tion".
>> GO TO 3.
3.CHECK FOR EXHAUST GAS LEAK
1. Start engine and run it at idle.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible Cause
P2096 POST CAT 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.
• A/F sensor 1
• A/F sensor 1 heater
• Heated oxygen sensor 2
• Fuel pressure
• Fuel injector
• Intake air leaks
• Exhaust gas leaks
P2097 POST CAT 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 spec-
ified period.
Revision: August 2015
2016 Versa Note

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EC-400
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P2096, P2097 A/F SENSOR 1
4. Check the continuity between ECM harness connec
tor or A/F sensor 1 harness connector and ground.
5. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 10.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
10.CHECK A/F SENSOR 1 HEATER
Refer to EC-175, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 11.
NO >> GO TO 13.
11 .CHECK HEATED OXYGEN SENSOR 2
Refer to EC-226, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 12.
NO >> Replace heated oxygen sensor 2. Refer to EX-5, "
Exploded View".
12.CHECK INTERMITTENT INCIDENT
Perform GI-42, "
Intermittent Incident".
Is the inspection result normal?
YES >> GO TO 13.
NO >> Repair or replace.
13.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace air fuel ratio (A/F) sensor 1. Refer to EM-31, "
Removal and Installation".
CAUTION:
• Discard any sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard
surface such as a concrete floor; use a new one.
• Before installing new sensor, cl ean exhaust system threads using oxygen sensor thread cleaner tool
[commercial service tool: (J-43897-18) or (J-43897-12)] and approved anti-seize lubricant (commer-
cial service tool).
Do you have CONSULT?
YES >> GO TO 14.
NO >> GO TO 15.
14.CONFIRM A/F ADJUSTMENT DATA
With CONSULT
1. Turn ignition switch ON.
2. Select “A/F ADJ-B1” in “D ATA MONITOR” mode with CONSULT.
3. Make sure that “0.000” is displayed on CONSULT screen.
Is
“0.000” displayed?
YES >> INSPECTION END
NO >> GO TO 15.
A/F sensor 1 ECM
Continuity
Connector Terminal Connector Terminal
F12 1
F11 49
Existed
25 3
A/F sensor 1 ECM
Ground Continuity
Connector Terminal Connector Terminal
F12 1
F11 49
Ground Not existed
25 3
Revision: August 2015 2016 Versa Note

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EC-444
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
ELECTRICAL LOAD SIGNAL
ELECTRICAL LOAD SIGNAL
DescriptionINFOID:0000000012431645
The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred to
ECM through the CAN communication line.
Component Function CheckINFOID:0000000012431646
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT.
3. Select “LOAD SIGNAL” and check indication under the following conditions.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Go to EC-444, "
Diagnosis Procedure".
2.CHECK LIGHTING SWITCH FUNCTION
Check “LOAD SIGNAL” indication under the following conditions.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Go to EC-444, "
Diagnosis Procedure".
3.CHECK HEATER FAN CONTROL SWITCH FUNCTION
Select “HEATER FAN SW” and check indication under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-444, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000012431647
1.INSPECTION START
Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to EC-444, "
Compo-
nent Function Check".
Which circuit is related to the incident?
Rear window defogger>>GO TO 2
Headlamp>>GO TO 3.
Heater fan>>GO TO 4.
2.CHECK REAR WINDOW DEFOGGER SYSTEM
Perform trouble diagnosis of rear window defogger system. Refer to DEF-17, "
Work Flow".
Monitor itemConditionIndication
LOAD SIGNAL Rear window defogger switch ON ON
OFF OFF
Monitor item
ConditionIndication
LOAD SIGNAL Lighting switch ON at 2nd position ON
OFF
OFF
Monitor item ConditionIndication
HEATER FAN SW Heater fan control switch ON ON
OFF OFF
Revision: August 2015
2016 Versa Note

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EC-478
< SERVICE DATA AND SPECIFICATIONS (SDS) [HR16DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Idle SpeedINFOID:0000000012431675
*: Under the following conditions
• A/C switch: OFF
• Electric load: OFF (Lights, heater fan & rear window defogger)
• Steering wheel: Kept in straight-ahead position
Ignition TimingINFOID:0000000012431676
*: Under the following conditions
• A/C switch: OFF
• Electric load: OFF (Lights, heater fan & rear window defogger)
• Steering wheel: Kept in straight-ahead position
Calculated Load ValueINFOID:0000000012431677
Mass Air Flow SensorINFOID:0000000012431678
*: Engine is warmed up to normal operating temperature and running under no load.Transmission Condition Specification
CVT No load* (in P or N position) 650 ± 50 rpm
M/T No load* (in Neutral position) 650 ± 50 rpm
Transmission ConditionSpecification
CVT No load* (in P or N position) 4 ± 5 °BTDC
M/T No load* (in Neutral position) 10 ± 5°BTDC
Condition Specification (Using CONSULT or GST)
At idle 10 – 35%
At 2,500 rpm 10 – 35%
Supply voltageBattery voltage (11 – 14 V)
Output voltage at idle 0.8 – 1.3 V*
Mass air flow (Using CONSULT or GST) 0.8 – 4.0 g/s at idle*
2.0 – 10.0 g/s at 2,500 rpm*
Revision: August 2015 2016 Versa Note

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