P1194

P1194 ETS LimpHome TPS2 Malfunction

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 change of TPS2 at idle is higher than 0.3V and the limp home valve operates.

DTC Detecting Condition






CAUTION

The inspection procedure for this diagnostic trouble code (P1194) goes to "Inspection & Repair" procedure of DTC P1175. P1175