Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSCION2015FR-S AUTOMATIC TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM (DIAGNOSTIC CODES (P0300-P1449))SFI SYSTEMDTC P0458: EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT LOW; DTC P0459: EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT HIGH [05/2014 - ]CONFIRMATION DRIVING PATTERN
2015 Scion FR-S Automatic Trans
Confirmation Driving Pattern
2015 Scion FR-S Automatic TransSECTION Confirmation Driving Pattern
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON and turn the Techstream on.
- Clear DTCs (even if no DTCs are stored, perform the clear DTC operation). Refer to DTC CHECK / CLEAR [05/2014 - ] .
- Turn the ignition switch off and wait for at least 30 seconds.
- Turn the ignition switch to ON and turn the Techstream on.
- Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher.
HINT:
Check the engine coolant temperature is 20°C (68°F) or less at engine started.
- Perform the following the confirmation driving pattern.WARNING:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
- Drive the vehicle at 80 km/h (50 mph) or more for 20 minutes or more [A].
- Stop the vehicle.
- Idle the engine for 1 minute or more [B].
- Enter the following menus: Powertrain / Engine / Trouble Codes.
- Read pending DTCs.
HINT:
- If a pending DTC is output, the system is malfunctioning.
- If a pending DTC is not output, perform the following procedure.
- Enter the following menus: Powertrain / Engine / Utility / All Readiness.
- Input the DTC: P0458 or P0459.
- Check the DTC judgment result.
Techstream Display Description NORMAL - DTC judgment completed
- System normal
ABNORMAL - DTC judgment completed
- System abnormal
INCOMPLETE - DTC judgment not completed
- Perform driving pattern after confirming DTC enabling conditions
N/A - Unable to perform DTC judgment
- Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit
HINT:
- If the judgment result shows NORMAL, the system is normal.
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the test result is INCOMPLETE or N/A and no DTC is output, perform a universal trip and check for permanent DTCs. Refer to DTC CHECK / CLEAR [05/2014 - ]
.
HINT:
- If a permanent DTC is output, the system is malfunctioning.
- If no permanent DTC is output, the system is normal.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.