P1193

P1193 ETS LimpHome Low Rpm

General Description

The Electronic Throttle System (ETS) consists of ETS unit, ETS-motor, Accelerator Position Sensor (APS),Throttle Position Sensor (TPS) and Limp home valve. Among above-mentioned parts, Limp home valve is attached under the throttle body and helps air to flow from the outside through this valve to the engine combustion chamber to prevent the vehicle from engine stall when PCM detects ETS system malfunction.

DTC Description

This DTC is set if the limp home valve operates to keep the engine RPM from the engine stall when it is under 470 rpm or below.

DTC Detecting Condition






CAUTION

Check the overall insepction for the following items :

1) Sensors relating to combustion

2) Ignition system

3) Fuel system