2003 NISSAN ALMERA N16 Electronic Repair Manual

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Page 913 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-583
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10.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Turn ignition switch �

Page 914 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-584
[QG (WITHOUT EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
Component Inspection
EBS00KIL
THROTTLE CONTROL MOTOR RELAY
1. Apply 12V direct current between relay terminals 1 and 2.
2. C

Page 915 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-585
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DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionEBS00KIN
Power supply

DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-585
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DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionEBS00KIN
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.
CONSULT-II Reference Value in Data Monitor ModeEBS00KIO
Specification data are reference values.
On Board Diagnosis LogicEBS00KIP
This self-diagnosis has the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, ECM enters fail-safe mode and the MI lights up.
DTC Confirmation ProcedureEBS00KIQ
NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch “OFF” and wait at
least 10 seconds before conducting the next test.
PROCEDURE FOR DTC P1124
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10V at idle.
With CONSULT-II
1. Turn ignition switch “ON” and wait at least 1 second.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. If 1st trip DTC is detected, go to EC-588, "
Diagnostic Procedure"
.
Without CONSULT-II
1. Turn ignition switch “ON” and wait at least 1 second.
2. Turn ignition switch “OFF”, wait at least 10 seconds and then turn “ON”.
MONITOR ITEM CONDITION SPECIFICATION
THRTL RELAY
●Ignition switch: ON ON
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1124
11 2 4Throttle 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
P1126
11 2 6Throttle 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
Engine operating condition in fail-safe mode
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return
spring.
SEF058Y

Page 916 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-586
[QG (WITHOUT EURO-OBD)]
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
3. If 1st trip DTC is detected, go to EC-588, "Diagnostic Procedure" .
PROCEDURE FOR DTC P1126
With CONSULT-II
1.

Page 917 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-587
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Wiring DiagramEBS00KIR
YEC298A

Page 918 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-588
[QG (WITHOUT EURO-OBD)]
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground t

Page 919 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-589
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3.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
1. Disconnect ECM harness connector.
2.

Page 920 of 3189

NISSAN ALMERA N16 2003 Electronic Repair Manual EC-590
[QG (WITHOUT EURO-OBD)]
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
Component Inspection
EBS00KIT
THROTTLE CONTROL MOTOR RELAY
1. Apply 12V direct current between relay terminals 1 and 2.
2.

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