2007 NISSAN TIIDA Service Repair Manual

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Page 1577 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-228
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1124, P1126 THROTTLE CONTROL MOTOR RELAY
P1124, P1126 THROTTLE CONTROL MOTOR RELAY
DescriptionINFOID:0000000001670996
Power supply for the throt

EC-228
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1124, P1126 THROTTLE CONTROL MOTOR RELAY
P1124, P1126 THROTTLE CONTROL MOTOR RELAY
DescriptionINFOID:0000000001670996
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 battery 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:0000000001670997
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, confirm that battery voltage is more than 8V.
Witch DTC is detected?
P1126 >> GO TO 2.
P1124 >> GO TO 3.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P1126
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-228, "Diagnosis Procedure".
NO >> INSPECTION END
3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P1124
1. Turn ignition switch ON and wait at least 1 second.
2. Check DTC.
Is DTC detected?
YES >> Go to EC-228, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000001670998
1.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
1. Turn ignition switch OFF.
2. Check the voltage between ECM harness connector terminals as follows.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1124Throttle control motor
relay circuit openECM 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
P1126Throttle control motor
relay circuit shortECM detect the throttle control motor relay is
stuck ON. Harness or connectors
(Throttle control motor relay circuit is
shorted)
Throttle control motor relay

Page 1578 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-229
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK

Page 1579 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-230
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1124, P1126 THROTTLE CONTROL MOTOR RELAY
Is the inspection result normal?
YES >> GO TO 8.
NO >> GO TO 7.
7.DETECT MALFUNCTIONING PART
Check the

Page 1580 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1128 THROTTLE CONTROL MOTOR
EC-231
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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P1128 THROTTLE CONTROL MOTOR
DescriptionINFOID:0000000001670999
The throttle control

P1128 THROTTLE CONTROL MOTOR
EC-231
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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P1128 THROTTLE CONTROL MOTOR
DescriptionINFOID:0000000001670999
The throttle control motor is operated by the ECM and it opens and closes the throttle valve.
The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feed-
back to the ECM to control the throttle control motor to make the throttle valve opening angle properly in
response to driving condition.
DTC LogicINFOID:0000000001671000
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.
>> 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 >> Go to EC-231, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000001671001
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in GI-58, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.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.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1128Throttle control motor
circuit shortECM 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
F75
F101 Not existed
4 Existed
61 Existed
4 Not existed

Page 1581 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-232
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1128 THROTTLE CONTROL MOTOR
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >>

Page 1582 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1143 HO2S1
EC-233
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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P1143 HO2S1
DescriptionINFOID:0000000001671004
The heated oxygen sensor 1 is placed into the exhaust

Page 1583 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-234
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1143 HO2S1
Before performing the following procedure, confirm that battery voltage is more than 11V at idle.
Do you have CONSULT-III?
YES >> GO

EC-234
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1143 HO2S1
Before performing the following procedure, confirm that battery voltage is more than 11V at idle.
Do you have CONSULT-III?
YES >> GO TO 2.
NO >> GO TO 3.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and warm it up to normal operating temperature.
2. Stop engine and wait at least 10 seconds.
3. Turn ignition switch ON and select “HO2S1 (B1) P1143” of “HO2S1” in “DTC WORK SUPPORT” mode
with CONSULT-III.
4. Touch “START”.
5. Start engine and let it idle for at least 3 minutes.
NOTE:
Never raise engine speed above 3,600 rpm after this step. If the engine speed limit is exceeded,
return to step 5.
6. When the following conditions are met, “TESTING” will be displayed on the CONSULT-III screen. Maintain
the conditions continuously until “TESTING” changes to “COMPLETED”. (It will take approximately 50
seconds or more.)
CAUTION:
Always drive vehicle at a safe speed.
If “TESTING” is not displayed after 5 minutes, retry from step 2.
7. Touch “SELF-DIAG RESULT”
Which is displayed on CONSULT-III screen?
OK >> INSPECTION END
NG >> Go to EC-234, "
Diagnosis Procedure".
3.PERFORM COMPONENT FUNCTION CHECK
With GST
1. Start engine and warm it up to normal operating temperature.
2. Set voltmeter probes between ECM harness connector terminals as follows under the following condition.
NOTE:
Use component function check to check the overall function of the heated oxygen sensor 1 circuit. During this
check, a 1st trip DTC might not be confirmed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-234, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001671006
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in GI-58, "
Circuit Inspection".
Is the inspection result normal?
ENG SPEED 1,375 - 2,600 rpm
VHCL SPEED SE Less than 100 km/h (62 MPH)
B/FUEL SCHDL 3.7 - 10.0 msec
Shift lever Suitable position
ECM Ground
Condition Voltage
Connector Terminal Connector Terminal
F1149
(HO2S1 signal)F11 56Engine speed held at
2,000 rpm constant under
no load The maximum voltage is over 0.6 at least 1
time.
The minimum voltage is over 0.1 at least 1
time.

Page 1584 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1143 HO2S1
EC-235
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.RETIGHTEN HEATED OXYGEN SENSOR 1
Loosen

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