2006 INFINITI FX35 Service Manual

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Page 2617 of 4462

INFINITI FX35 2006 Service Manual DTC P1805 BRAKE SWITCH EC-1233
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EC
Revision: 2006 December 2006 FX35/FX45
Component InspectionNBS004FQ
STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Dis

Page 2618 of 4462

INFINITI FX35 2006 Service Manual EC-1234
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DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 December 2006 FX35/FX45
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionNBS004AW
Power supply

EC-1234
[VK45DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 December 2006 FX35/FX45
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionNBS004AW
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 ModeNBS004AX
Specification data are reference values.
On Board Diagnosis LogicNBS004AY
These self-diagnoses have the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, ECM enters fail-safe mode and the MlL lights up.
DTC Confirmation ProcedureNBS004AZ
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 P2100
With CONSULT-II
1. Turn ignition switch ON and wait at least 2 seconds.
2. Select “DATA MONITOR””mode with CONSULT-II.
3. Start engine and let it idle for 5 seconds.
4. If DTC is detected, go to EC-1237, "
Diagnostic Procedure" .
With GST
Follow the procedure “With CONSULT-II” above.
MONITOR ITEM CONDITION SPECIFICATION
THRTL RELAY
Ignition switch: ON ON
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2100
2100 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
2103 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
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) b y the return
spring.
SEF058Y

Page 2619 of 4462

INFINITI FX35 2006 Service Manual DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY EC-1235
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Revision: 2006 December 2006 FX35/FX45
PROCEDURE FOR DTC P2103
TESTING CONDITION:
Before performi

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INFINITI FX35 2006 Service Manual EC-1236
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DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS004B0
TBWM1345E

Page 2621 of 4462

INFINITI FX35 2006 Service Manual DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY EC-1237
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Revision: 2006 December 2006 FX35/FX45
Specification data are reference values and are measured be

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INFINITI FX35 2006 Service Manual EC-1238
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DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 December 2006 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector

Page 2623 of 4462

INFINITI FX35 2006 Service Manual DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY EC-1239
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Revision: 2006 December 2006 FX35/FX45
7. DETECT MALFUNCTIONING PART
Check the following.
Harnes

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INFINITI FX35 2006 Service Manual EC-1240
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DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 December 2006 FX35/FX45
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTIONPFP:16119
DescriptionNBS004AP
NOTE:
If DTC P2101 is di

EC-1240
[VK45DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 December 2006 FX35/FX45
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTIONPFP:16119
DescriptionNBS004AP
NOTE:
If DTC P2101 is displayed with DTC P2100 or P2119, first perform the trouble diagnosis for DTC P2100
or P2119. Refer to EC-1234, "
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY" or EC-1252,
"DTC P2119 ELECTRIC THROTTLE CONTROL ACTUATOR" .
Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc.
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.
On Board Diagnosis LogicNBS004AQ
This self-diagnosis has the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, ECM enters fail-safe mode and the MIL lights up.
DTC Confirmation ProcedureNBS004AR
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.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11V when engine
is running.
WITH CONSULT-II
1. Turn ignition switch ON and wait at least 2 seconds.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for 5 seconds.
4. If DTC is detected, go to EC-1242, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2101
2101 Electric throttle control
performance problem Electric throttle control function does not oper-
ate properly.
Harness or connectors
(Throttle control motor circuit is open or
shorted)
Electric throttle control actuator
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) b y the return
spring.
SEF058Y

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