NISSAN TEANA 2014 Service Manual

P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-931
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P2100, P2103 THROTTLE CONTROL MOTOR RELAY
DTC LogicINFOID:0000000009462805
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, always perform the following before conduct-
ing 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, c onfirm that battery voltage is more than 8 V.
Witch DTC is detected?
P2100 >> GO TO 2.
P2103 >> GO TO 3.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2100
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
Is DTC detected?
YES >> Proceed to EC-931, "Diagnosis Procedure".
NO >> INSPECTION END
3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2103
1. Turn ignition switch ON and wait at least 1 second.
2. Check DTC.
Is DTC detected?
YES >> Proceed to EC-931, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462806
1.CHECK THROTTLE CONTROL MOTO R RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect IPDM E/R harness connector.
4. Check the continuity between IPDM E/R harness connector and ECM harness connector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2100 Throttle control motor
relay circuit open ECM detects that the voltage of power source
for throttle control moto r is excessively low. • Harness or connectors
(Throttle control motor relay circuit is
open)
• Throttle control motor relay
P2103 Throttle control motor
relay circuit short ECM detects that the throttle control motor relay
is stuck ON. • Harness or connectors
(Throttle control motor relay circuit is
shorted)
• Throttle control motor relay
IPDM E/R ECM Continuity
Connector Terminal Connector Terminal
F83 57 F78 1 Existed
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EC-932
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2100, P2103 THROTTLE
CONTROL MOTOR RELAY
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
2.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
1. Check the continuity between IPDM E/ R harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
IPDM E/R ECM Continuity
Connector Terminal Connector Terminal
F84 65 F78 34 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2101 ELECTRIC THROTTLE CONTROL FUNCTIONEC-933
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P2101 ELECTRIC THROTTLE CONTROL FUNCTION
DTC LogicINFOID:0000000009462807
DTC DETECTION LOGIC
NOTE:
If DTC P2101 is displayed with DTC P2100, first pe rform the trouble diagnosis for DTC P2100. Refer to
EC-931, "DTC Logic"
.
If DTC P2101 is displayed with DTC 2119, first perf orm the trouble diagnosis for DTC P2119. Refer to
EC-938, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, always perform the following before conduct-
ing 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 when
engine is running.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
Is DTC detected?
YES >> Proceed to EC-933, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462808
1.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL
1. Check the voltage between ECM harness connector terminals.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK THROTTLE CONTROL MOTO R RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2101 Electric throttle control
performance Electric throttle control function does not oper-
ate properly. • Harness or connectors
(Throttle control motor circuit is open or
shorted)
• Electric throttle control actuator
ECM
Condition Voltage
+–
Connector Terminal Condition Terminal
F78 34 E32 128 Ignition switch OFF Approx. 0 V
Ignition switch ON Battery voltage
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-934
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2101 ELECTRIC THROTTLE CONTROL FUNCTION
3. Disconnect IPDM E/R harness connector.
4. Check the continuity between IPDM E/ R harness connector and ECM harness connector.
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
1. Check the continuity between IPDM E/ R harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Turn ignition switch OFF.
2. Disconnect electric throttle control actuator harness connector.
3. Disconnect ECM harness connector.
4. Check the continuity between electric throttle control actuator harness connector and ECM harness con-
nector.
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace malfunctioning part.
5.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Remove the intake air duct. Refer to EM-144, "Exploded View"
.
2. Check if foreign matter is caught between the throttle valve (1)
and the housing.
- Electric throttle control actuator (2)
- : Vehicle front
Is the inspection result normal?
YES >> GO TO 6.
NO >> Remove the foreign matter and clean the electric throttle control actuator inside, refer to EM-146, "Exploded
View", and then perform throttle valve closed position
learning. Refer to EC-682, "Description"
.
IPDM E/R ECM
Continuity
Connector Terminal Connector Terminal
F83 57 F78 1 Existed
IPDM E/R ECM Continuity
Connector Terminal Connector Terminal
F84 65 F78 34 Existed
Electric throttle control actuator ECM Continuity
Connector Terminal Connector Terminal
F57 5
F78 5 Not existed
2Existed
6 5Existed
2 Not existed
JMBIA1132ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2101 ELECTRIC THROTTLE CONTROL FUNCTIONEC-935
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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6.CHECK THROTTLE CONTROL MOTOR
Check throttle control motor. Refer to EC-935, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace electric throttle control actuator. Refer to EM-146, "Exploded View"
.
7.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace electric throttle control actuator. Refer to EM-146, "Exploded View".
NO >> Repair or replace error-detected parts.
Component InspectionINFOID:0000000009462809
1.CHECK THROTTLE CONTROL MOTOR
1. Turn ignition switch OFF.
2. Disconnect electric throttle c ontrol actuator harness connector.
3. Check resistance between electric throttle c ontrol actuator terminals as per the following.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace electric throttle control actuator. Refer to EM-146, "Exploded View"
.
Terminals Resistance
5 and 6 Approx. 1 - 15 Ω [at 25 °C (77 °F)]
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-936
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2118 THROTTLE CONTROL MOTOR
P2118 THROTTLE CONTROL MOTOR
DTC LogicINFOID:0000000009462810
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing 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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
Is DTC detected?
YES >> Proceed to EC-936, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462811
1.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect electric throttle control actuator harness connector.
2. Disconnect ECM harness connector.
3. Check the continuity between electric throttle control actuator harness connector and ECM harness con-
nector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace malfunctioning part.
2.CHECK THROTTLE CONTROL MOTOR
Check throttle control motor. Refer to EC-937, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace electric throttle control actuator. Refer to EM-146, "Removal and Installation"
.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2118 Throttle control motor
circuit short ECM detects short in both circuits between
ECM and throttle control motor. • Harness or connectors
(Throttle control motor circuit is shorted.)
• Electric throttle control actuator (Throttle control motor)
Electric throttle control actuator ECM Continuity
Connector Terminal Connector Terminal
F57 5
F78 5 Not existed
2Existed
6 5Existed
2 Not existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2118 THROTTLE CONTROL MOTOREC-937
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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Component InspectionINFOID:0000000009462812
1.CHECK THROTTLE CONTROL MOTOR
1. Turn ignition switch OFF.
2. Disconnect electric throttle c ontrol actuator harness connector.
3. Check resistance between electric throttle c ontrol actuator terminals as per the following.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace electric throttle control actuator. Refer to EM-146, "Removal and Installation"
.
Terminals Resistance
5 and 6 Approx. 1 - 15 Ω [at 25 °C (77 °F)]
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-938
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
DTC LogicINFOID:0000000009462813
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing 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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A AND B
1. Turn ignition switch ON and wait at least 1 second.
2. Shift selector lever to the D position and wait at least 3 seconds.
3. Shift selector lever to the P position.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Turn ignition switch ON and wait at least 1 second.
6. Shift selector lever to the D position and wait at least 3 seconds.
7. Shift selector lever to the P position.
8. Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
9. Check DTC.
Is DTC detected?
YES >> Proceed to EC-938, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C
1. Turn ignition switch ON and wait at least 1 second.
2. Shift selector lever to the D position and wait at least 3 seconds.
3. Shift selector lever to the N or P position.
4. Start engine and let it idle for 3 seconds.
5. Check DTC.
Is DTC detected?
YES >> Proceed to EC-938, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462814
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. Remove the intake air duct. Refer to EM-144, "Removal and Installation"
.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2119 Electric throttle control
actuator A)
Electric throttle control
actuator does not func-
tion properly due to the return spring malfunc-
tion.
• Electric throttle control actuator
B) Throttle valve opening angle in fail-safe mode is
not in specified range.
C) ECM detects that the throttle valve is stuck
open.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2119 ELECTRIC THROTTLE CONTROL ACTUATOREC-939
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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3. Check if foreign matter is c
aught between the throttle valve (1)
and the housing.
- Electric throttle control actuator (2)
- : Vehicle front
Is the inspection result normal?
YES >> GO TO 2.
NO >> Remove the foreign matter and clean the electric throttle control actuator inside, and then perform throttle valve
closed position learning. Refer to EC-682, "Description"
.
2.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace electric throttle control actuator. Refer to EM-146, "Removal and Installation"
.
2. Go to EC-683, "Description"
.
>> INSPECTION END
JMBIA1132ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-940
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2122, P2123
APP SENSOR
P2122, P2123 APP SENSOR
DTC LogicINFOID:0000000009462815
DTC DETECTION LOGIC
NOTE:
If DTC P2122 or P2123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-885, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing 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 10 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 1 second.
2. Check DTC.
Is DTC detected?
YES >> Proceed to EC-940, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462816
1.CHECK APP SENSOR 1 POWER SUPPLY
1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
2.CHECK APP SENSOR 1 GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between APP sens or harness connector and ECM harness connector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2122 Accelerator pedal posi-
tion sensor 1 circuit low
input An excessively low vo
ltage from the APP sen-
sor 1 is sent to ECM. • Harness or connectors
(APP sensor 1 circuit is open or shorted.)
• Accelerator pedal position sensor (APP sensor 1)
P2123 Accelerator pedal posi-
tion sensor 1 circuit high
input An excessively high vo
ltage from the APP sen-
sor 1 is sent to ECM.
APP sensor Ground Voltage (V)
Connector Terminal
E40 4 Ground Approx. 5
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM