Nissan Altima 2007-2012 Service Manual: P2100, P2103 throttle control motor relay
Description
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.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
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.
Witch DTC is detected? P2100 >> GO TO 2.
P2103 >> GO TO 3.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2100
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
Is DTC detected? YES >> Go to EC-417, "Diagnosis Procedure".
NO >> INSPECTION END
3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2103
1. Turn ignition switch ON and wait at least 1 second.
2. Check DTC.
Is DTC detected? YES >> Go to EC-417, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect IPDM E/R harness connector F10.
4. Check the continuity between ECM harness connector and IPDM E/R harness connector.
5. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
2.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
1. Check the continuity between ECM harness connector and IPDM E/R harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK FUSE
1. Disconnect 15A fuse (No. 42) from IPDM E/R.
2. Check 15A fuse for blown.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace 15A fuse.
4.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
Is the inspection result normal? YES >> Replace IPDM E/R.
NO >> Repair or replace harness or connectors.
P2014 tumble control valve position
sensor
Description
Tumble control valve position sensor is built into the tumble control
valve actuator (2).
1 : Intake manifold adapter
3 : Tumble control valve
The sensor consists of a permanent magn ...
P2101 electric throttle control
function
Description
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
...
Other materials:
Oil seal
Removal and Installation of Valve Oil Seal
REMOVAL
1. Turn crankshaft until the cylinder requiring new oil seals is at TDC. This
will prevent valve from dropping
into cylinder.
CAUTION:
When rotating crankshaft, be careful to avoid scarring the front cover with the
timing chain.
2. Remove ...
NISSAN Vehicle Immobilizer System keys
You can only drive your vehicle using the master
keys which are registered to the NISSAN Vehicle
Immobilizer System components in your vehicle.
The master key can be used for all the locks.
Never leave these keys in the vehicle.
Additional or replacement keys:
If you still have a key, the ke ...
Lock-up and select control system
System Diagram
System Description
• The torque converter clutch piston in the torque converter is engaged to
eliminate torque converter slip to
increase power transmission efficiency.
• The torque converter clutch control valve operation is controlled by the
torque converter clutch ...