DTC P1603: Engine Stall History; DTC P1605: Rough Idling [08/2015 - 08/2017]: Description
P1603
After starting the engine, this DTC is stored when the engine stops without the engine switch being operated.
Using the Techstream, the conditions present when the DTC was stored can be confirmed by referring to the freeze frame data. Freeze frame data records engine conditions when a malfunction occurs. This information can be useful when troubleshooting.
It is necessary to check if the vehicle has ran out of fuel before performing troubleshooting, as this DTC is also stored when the engine stalls due to running out of fuel.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1603 | After monitoring for startability problems (P1604) finishes and 5 seconds or more elapse after starting the engine, with the engine running, the engine stops (the engine speed drops to 200 RPM or less) without the ignition switch being operated for 0.5 seconds or more (1 trip detection logic). |
|
P1605
This DTC is stored if the engine speed drops below the set speed without the ignition switch being operated.
Using the Techstream, the conditions present when the DTC was stored can be confirmed by referring to the freeze frame data. Freeze frame data records engine conditions when a malfunction occurs. This information can be useful when troubleshooting.
It is necessary to check if the vehicle ran out of fuel before performing troubleshooting, as this DTC is also stored when idling is unstable due to running out of fuel.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1605 | After 5 seconds or more elapse after starting the engine, with the engine running, the engine speed drops to 400 RPM or less without the ignition switch being operated (1 trip detection logic). |
|