2010 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2010 Service Repair Manual EC-376
< COMPONENT DIAGNOSIS >[HR16DE]
P1805 BRAKE SWITCH
NO >> Replace stop lamp switch.
6.CHECK INTERMITTENT INCIDENT
Refer to EC-114, "
Diagnosis Procedure".
>> INSPECTION END
Component Inspection

Page 1642 of 3745

NISSAN LATIO 2010 Service Repair Manual P2100, P2103 THROTTLE CONTROL MOTOR RELAYEC-377
< COMPONENT DIAGNOSIS > [HR16DE]
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P2100, P2103 THROTTLE CONTROL MOTOR RELAY
DescriptionINFOID:0000000005398548
Power supp

P2100, P2103 THROTTLE CONTROL MOTOR RELAYEC-377
< COMPONENT DIAGNOSIS > [HR16DE]
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P2100, P2103 THROTTLE CONTROL MOTOR RELAY
DescriptionINFOID:0000000005398548
Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle
control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends
an ON signal to throttle control motor relay and batte
ry voltage is provided to the ECM. When the ignition
switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not
provided to the ECM.
DTC LogicINFOID:0000000005398549
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
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 >> Go to EC-378, "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 >> Go to EC-378, "Diagnosis Procedure".
NO >> INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2100 Throttle control motor
relay circuit open ECM detects a voltage of power source for
throttle control motor 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 detect the throttle control motor relay is
stuck ON. • Harness or connectors
(Throttle control motor relay circuit is
shorted)
• Throttle control motor relay
Revision: January 20102010 Versa

Page 1643 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-378
< COMPONENT DIAGNOSIS >[HR16DE]
P2100, P2103 THROTTLE
CONTROL MOTOR RELAY
Wiring Diagram
INFOID:0000000005398550
Diagnosis ProcedureINFOID:0000000005398551
1.CHECK THROTTLE CONTROL MOTOR RELA

Page 1644 of 3745

NISSAN LATIO 2010 Service Repair Manual P2100, P2103 THROTTLE CONTROL MOTOR RELAYEC-379
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2. Check the voltage between ECM harness connector and
ground.
OK or NG
OK >> GO TO 5.

Page 1645 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-380
< COMPONENT DIAGNOSIS >[HR16DE]
P2100, P2103 THROTTLE
CONTROL MOTOR RELAY
4. Check the continuity between ECM harnes s connector and IPDM E/R harness connector.
5. Also check harness for short

Page 1646 of 3745

NISSAN LATIO 2010 Service Repair Manual P2101 ELECTRIC THROTTLE CONTROL FUNCTIONEC-381
< COMPONENT DIAGNOSIS > [HR16DE]
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P2101 ELECTRIC THROTTLE CONTROL FUNCTION
DescriptionINFOID:0000000005398552
Electric thr

Page 1647 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-382
< COMPONENT DIAGNOSIS >[HR16DE]
P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Wiring Diagram
INFOID:0000000005398554
Diagnosis ProcedureINFOID:0000000005398555
1.CHECK GROUND CONNECTION
1. Turn igni

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NISSAN LATIO 2010 Service Repair Manual P2101 ELECTRIC THROTTLE CONTROL FUNCTIONEC-383
< COMPONENT DIAGNOSIS > [HR16DE]
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YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK THROTTLE CONTROL MOTO

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