2005 NISSAN X-TRAIL Service Repair Manual

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Page 1137 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-733
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3. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disco

Page 1138 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-734
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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION

7. CHECK THROTTLE CONTROL MOTOR RELAY OUTPUT SIGNAL CIRCUIT
1. Check continuity between throttle control motor relay termi

Page 1139 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-735
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11 . CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Remove the intake air duct.
2. Check

Page 1140 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-736
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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION

2. Check resistance between terminals 3 and 6.
3. If NG, replace electric throttle control actuator and go to next
step.
4

Page 1141 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-737
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DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionEBS0110T
Power supp

DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-737
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DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionEBS0110T
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 ModeEBS0110U
Specification data are reference values.
On Board Diagnosis LogicEBS0110V
These self-diagnoses have the one trip detection logic.
FAIL-SAFE MODE
When the DTC detected, the ECM enters fail-safe mode and the MI lights up.
DTC Confirmation ProcedureEBS0110W
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 8V.
With CONSULT-II
1. Turn ignition switch ON and wait at least 1 second.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. If DTC is detected, go to EC-742, "
Diagnostic Procedure" .
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 1142 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-738
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DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY

Without CONSULT-II
1. Turn ignition switch ON and wait at least 1 second.
2. Turn ignition switch OFF, wait at least 10

Page 1143 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-739
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Wiring DiagramEBS0110X
LHD MODELS
TBWA0615E

Page 1144 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-740
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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

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