Description
The accelerator pedal position sensor is installed on the upper end of the accelerator pedal assembly. The sensor detects the accelerator position and sends a signal to the ECM.
Accelerator pedal position sensor has two sensors. These sensors are a kind of potentiometer which transform the accelerator pedal position into output voltage, and emit the voltage signal to the ECM.
In addition, these sensors sends opening and closing speed of the accelerator pedal and feed the voltage signals to the ECM. The ECM judges the current opening angle of the accelerator pedal from these signals and controls the throttle control motor based on these signals.
Idle position of the accelerator pedal is determined by the ECM receiving the signal from the accelerator pedal position sensor. The ECM uses this signal for engine operations such as fuel cut.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.
2.PERFORM DTC CONFIRMATION PROCEDURE
Diagnosis Procedure
Regarding Wiring Diagram information
1.CHECK GROUND CONNECTION
2.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I
3.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-II
4.CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
5.CHECK COMPONENTS
Check the following.
6.CHECK APP SENSOR 2 GROUND CIRCUIT FOR OPEN AND SHORT
7.CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
8.CHECK APP SENSOR
9.REPLACE ACCELERATOR PEDAL ASSEMBLY
10.CHECK INTERMITTENT INCIDENT
Component Inspection
1.CHECK ACCELERATOR PEDAL POSITION SENSOR
2.REPLACE ACCELERATOR PEDAL ASSEMBLY
Special Repair Requirement
1.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
2.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
3.PERFORM IDLE AIR VOLUME LEARNING
NISSAN Intelligent Key battery discharge
If the battery of the NISSAN Intelligent Key is
discharged, or environmental conditions interfere
with the Intelligent Key operation, start the engine
according to the following procedure:
1. Place the shift lever in the P (Park) position.
2. Firmly apply the foot brake.
3. Touch the i ...
Basic inspection
COMPONENT INSPECTION
Inspection
AFTER A COLLISION
WARNING: Inspect all seat belt assemblies
including retractors and attaching hardware after any collision.
NISSAN/INFINITI recommends that all seat belt assemblies in use during a
collision be replaced unless the collision was minor and the b ...
Meter buzzer circuit
Description
The buzzer for warning chime system is installed in the
combination meter.
The combination meter sounds the alarm buzzer based on the signals
transmitted from various units.
Component Function Check
1. CHECK OPERATION OF METER BUZZER
Select "BUZZER" of "BCM" on CONSUL ...