Electronic Throttle Actuator: Service and Repair
INSPECTION
ETC MOTOR
1. Disconnect the throttle body assembly connector.
2. Measure resistance as shown below.
Specification : Between pin 3 and 6 : 1.2 - 1.8 at 20°C (68°F)
3. Connect the throttle body assembly connector.
THROTTLE POSITION SENSOR (TPS)
1. Start engine and connect the scan tool to data link connector.
2. Inspect TPS signal output with the scan tool on condition as shown below.
Specification :[TPS #1]Idle : 0.25 - 0.9 VWide open throttle : Min.4.0 V[TPS #2]Idle : Min.4.0 VWide open throttle : 0.25 - 0.9 V
3. Stop engine and disconnect throttle body assembly connector.
4. Measure resistance as shown below.
Specification : Between pin 1 and 2 : 0.88 - 1.63kOhms