2007 NISSAN 350Z battery
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DTC P1233, P2101 ELECTRIC THROTTLE CONTROL FUNCTION
EC-567
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Revision: 2006 November2007 350Z
3. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Check voltage between ECM terminal 25 and ground with CON-
SULT-III or tester.
OK or NG
OK >> GO TO 7.
NG >> GO TO 4.
4. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E9.
3. Check continuity between ECM terminal 25 and IPDM E/R terminal 47.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E10, F1
Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK FUSE
1. Disconnect 15A fuse.
2. Check 15A fuse for blown.
OK or NG
OK >> GO TO 9.
NG >> Replace 15A fuse.
7. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E8.
3. Check continuity between ECM terminal 3 (bank 1), 52 (bank 2) and IPDM E/R terminal 42.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> GO TO 8.Voltage: Battery voltage
PBIB3579E
Continuity should exist.
Continuity should exist.
Page 573 of 720
DTC P1236, P2118 THROTTLE CONTROL MOTOR
EC-573
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Revision: 2006 November2007 350Z
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-III.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
2GThrottle control motor
(Open) (bank 1)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: Fully depressed0 - 14V
[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: Fully released0 - 14V
3R/WThrottle control motor relay
power supply (bank 1)[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
4BRThrottle control motor
(Close) (bank 1)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: In the middle of releasing
operation0 - 14V
25 OR Throttle control motor relay[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]0 - 1.0V
52 R/WThrottle control motor relay
power supply (bank 2)[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
PBIB3539E
PBIB3540E
PBIB3541E
Page 575 of 720
DTC P1236, P2118 THROTTLE CONTROL MOTOR
EC-575
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Revision: 2006 November2007 350Z
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-III.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
3R/WThrottle control motor relay
power supply (bank 1)[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
25 OR Throttle control motor relay[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]0 - 1.0V
49 L/BThrottle control motor
(Close) (bank 2)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: In the middle of releasing
operation0 - 14V
50 PU/WThrottle control motor
(Open) (bank 2)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: Fully depressed0 - 14V
[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: Fully released0 - 14V
52 R/WThrottle control motor relay
power supply (bank 2)[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
PBIB3541E
PBIB3539E
PBIB3540E
Page 583 of 720
DTC P1239, P2135 TP SENSOR
EC-583
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Revision: 2006 November2007 350Z
DTC Confirmation ProcedureNBS000H8
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 8V at idle.
WITH CONSULT-III
1. Start engine and let it idle for 1 second.
2. Check DTC.
3. If DTC is detected, go to EC-588, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-III” above.
Page 592 of 720
EC-592
DTC P1290, P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 November2007 350Z
DTC P1290, P2100, P2103 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionNBS000CA
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-III Reference Value in Data Monitor ModeNBS000CB
Specification data are reference values.
On Board Diagnosis LogicNBS000CC
These self-diagnoses have 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 ProcedureNBS000CD
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 P1290, P2100
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8V.
With CONSULT-III
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
4. If DTC is detected, go to EC-597, "
Diagnostic Procedure" .
With GST
Follow the procedure “With CONSULT-III” above.
PROCEDURE FOR DTC P2103
With CONSULT-III
1. Turn ignition switch ON and wait at least 1 second.
2. Start engine and let it idle for 5 seconds.
MONITOR ITEM CONDITION SPECIFICATION
THRTL RELAY
Ignition switch: ON ON
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1290
1290
(Bank 2)
Throttle control motor
relay circuit openECM detects a voltage of power source for
throttle control motor is excessively low.
Harness or connectors
(The throttle control motor relay circuit is
open)
Throttle control motor relay P2100
2100
(Bank 1)
P2103
2103Throttle control motor
relay circuit shortECM detect the throttle control motor relay is
stuck ON.
Harness or connectors
(The 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.
Page 595 of 720
DTC P1290, P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-595
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Revision: 2006 November2007 350Z
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-III.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
2GThrottle control motor
(Open) (bank 1)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: Fully depressed0 - 14V
[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: Fully released0 - 14V
3R/WThrottle control motor relay
power supply (bank 1)[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
4BRThrottle control motor
(Close) (bank 1)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: In the middle of releasing
operation0 - 14V
25 OR Throttle control motor relay[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]0 - 1.0V
52 R/WThrottle control motor relay
power supply (bank 2)[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
PBIB3539E
PBIB3540E
PBIB3541E
Page 597 of 720
DTC P1290, P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-597
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MA
EC
Revision: 2006 November2007 350Z
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-III.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
Diagnostic ProcedureNBS000CF
1. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Check voltage between ECM terminal 25 and ground with CON-
SULT-III or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
3R/WThrottle control motor relay
power supply (bank 1)[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
25 OR Throttle control motor relay[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]0 - 1.0V
49 L/BThrottle control motor
(Close) (bank 2)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: In the middle of releasing
operation0 - 14V
50 PU/WThrottle control motor
(Open) (bank 2)[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: Fully depressed0 - 14V
[Ignition switch: ON]
Engine stopped
Shift lever: D (A/T) or 1st (M/T)
Accelerator pedal: Fully released0 - 14V
52 R/WThrottle control motor relay
power supply (bank 2)[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
PBIB3541E
PBIB3539E
PBIB3540E
Voltage: Battery voltage
PBIB3579E
Page 598 of 720
EC-598
DTC P1290, P2100, P2103 THROTTLE CONTROL MOTOR RELAY
Revision: 2006 November2007 350Z
2. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E9.
3. Check continuity between ECM terminal 25 and IPDM E/R terminal 47.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E10, F1
Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK FUSE
1. Disconnect 15A fuse.
2. Check 15A fuse for blown.
OK or NG
OK >> GO TO 8.
NG >> Replace 15A fuse.
5. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
Check voltage between ECM terminal 3 (bank 1), 52 (bank 2) and
ground under the following conditions with CONSULT-III or tester.
OK or NG
OK >> GO TO 8.
NG >> GO TO 6.
6. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E8.
3. Check continuity between ECM terminal 3 (bank 1), 52 (bank 2) and IPDM E/R terminal 42.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> GO TO 7.Continuity should exist.
Ignition switch Voltage
OFF Approximately 0V
ONBattery voltage
(11 - 14V)
PBIB3580E
Continuity should exist.