2006 INFINITI M35 Factory Service Manual

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Page 2881 of 5621

INFINITI M35 2006 Factory Service Manual EC-1338
[VK45DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 January2006 M35/M45
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionNBS005NT
Power supply for

EC-1338
[VK45DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 January2006 M35/M45
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionNBS005NT
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 ModeNBS005NU
Specification data are reference values.
On Board Diagnosis LogicNBS005NV
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 ProcedureNBS005NW
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-1341, "
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
2100Throttle 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
P2103
2103Throttle 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
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 2882 of 5621

INFINITI M35 2006 Factory Service Manual DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-1339
[VK45DE]
C
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EC
Revision: 2006 January2006 M35/M45
PROCEDURE FOR DTC P2103
TESTING CONDITION:
Before performing the following p

Page 2883 of 5621

INFINITI M35 2006 Factory Service Manual EC-1340
[VK45DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 January2006 M35/M45
Wiring DiagramNBS005NX
TBWT1039E

Page 2884 of 5621

INFINITI M35 2006 Factory Service Manual DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-1341
[VK45DE]
C
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MA
EC
Revision: 2006 January2006 M35/M45
Specification data are reference values and are measured between each termin

Page 2885 of 5621

INFINITI M35 2006 Factory Service Manual EC-1342
[VK45DE]
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 January2006 M35/M45
2. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.
2.

Page 2886 of 5621

INFINITI M35 2006 Factory Service Manual DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-1343
[VK45DE]
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EC
Revision: 2006 January2006 M35/M45
7. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E12, F

Page 2887 of 5621

INFINITI M35 2006 Factory Service Manual EC-1344
[VK45DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 January2006 M35/M45
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTIONPFP:16119
DescriptionNBS005NZ
NOTE:
If DTC P2101 is display

EC-1344
[VK45DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 January2006 M35/M45
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTIONPFP:16119
DescriptionNBS005NZ
NOTE:
If DTC P2101 is displayed with DTC P2100 or 2119, first perform the trouble diagnosis for DTC P2100
or P2119. Refer to EC-1338, "
DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY" or EC-1356,
"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 LogicNBS005O0
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 ProcedureNBS005O1
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-1346, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2101
2101Electric throttle control
performanceElectric 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) by the return
spring.
SEF058Y

Page 2888 of 5621

INFINITI M35 2006 Factory Service Manual DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
EC-1345
[VK45DE]
C
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EC
Revision: 2006 January2006 M35/M45
Wiring DiagramNBS005O2
TBWT1038E

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