ETC (Electronic Throttle Control) System Repair Procedures

Inspection

Throttle Position Sensor (TPS)

1. 1
   Connect the GDS to the Data Link Connector (DLC).
2. 2
   Start the engine and measure the output voltage of TPS 1 and 2 at TP and VOT.

   Specification: Refer to "Specifications"

3. 3
   Turn the ignition off.
4. 4
   Disconnect the ETC module connector.
5. 5
   Measure the resistance between terminals 1 and 2 of the ETC module.
6. 6
   Make sure the resistance is within specification.

   Specification: Refer to "Specifications"

ETC Motor

Removal

1. 1
   Turn the ignition switch OFF and disconnect the negative (-) battery cable.
2. 2
   Remove the air cleaner resonator and intake hose (Refer to Engine Mechanical System - "Intake and Exhaust System").
3. 3
   Disconnect the ETC module connector (A).
4. 4
   Disconnect the coolant hoses (B).
5. 5
   Loosen the mounting bolts (C) and remove the ETC module from the engine.

   

Installation

Install the component with the specified torque. Note that internal damage may occur if the component is dropped. If the component has been dropped, inspect it before installation.

1. Install in the reverse order of removal. ETC module mounting bolt: 7.8 ~ 9.8 N·m

Adjustment

ETC Module Learning Procedure

When installing a new ETC module or reinstalling it, perform the ETC module learning procedure.

1. 1
   Hold the ignition key or start button in the IG ON position for 5 seconds.
2. 2
   Turn the ignition OFF, then start the engine.

DTCs (P0638, P2110) may be displayed if the ETC module learning procedure is not performed after replacing the ETC module.