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 throttle valve.
The current opening angle of the throttle valve is detected by the throttle position sensor. The throttle position sensor provides feedback to the ECM, when opens/closes the throttle valve in response to driving conditions via the throttle control motor.
DTC Logic
DTC DETECTION LOGIC
NOTE:
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 11 V when engine is running.
2.PERFORM DTC CONFIRMATION PROCEDURE
Diagnosis Procedure
1.CHECK GROUND CONNECTION
2.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
3.CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
4.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II
5.CHECK FUSE
6.CHECK INTERMITTENT INCIDENT
7.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
8.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
2: Electric throttle control actuator
: Vehicle front
9.CHECK THROTTLE CONTROL MOTOR
10.CHECK INTERMITTENT INCIDENT
11.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
Component Inspection
1.CHECK THROTTLE CONTROL MOTOR
2.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
Special Repair Requirement
1.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
2.PERFORM IDLE AIR VOLUME LEARNING
B2602 shift position
Description
BCM confirms the shift position with the following 2
signals.
CVT selector lever
Speed signal from meter
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B2602 is displayed with DTC
U1000, first perform the trouble diagnosis for DTC U1000. Refer ...
Wiring diagram
CHARGING SYSTEM
Wiring Diagram
...
Three-way catalyst
The three-way catalyst is an emission control
device installed in the exhaust system. Exhaust
gases in the three-way catalyst are burned at
high temperatures to help reduce pollutants.
WARNING
The exhaust gas and the exhaust system
are very hot. Keep people, animals
or flammable material ...