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 MANUALSSCION2016IM AUTOMATIC CVT TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSAIR CONDITIONING SYSTEM - (DIAGNOSTIC CODES & CIRCUIT TESTS)
2016 Scion iM Automatic CVT Trans
Air Conditioning System - (Diagnostic Codes & Circuit Tests)
2016 Scion iM Automatic CVT TransSECTION Air Conditioning System - (Diagnostic Codes & Circuit Tests)
- Air Conditioning System
- DTC U0100: Lost Communication with ECM; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter [06/2015 - ]
- DTC B14B8: Refrigerant Shortage [06/2015 - ]
- DTC B14B2: Lost Communication with Front Panel LIN [06/2015 - ]
- DTC B14A3: Front Passenger Side Solar Sensor Short Circuit [06/2015 - ]
- DTC B14A2: Driver Side Solar Sensor Short Circuit [06/2015 - ]
- DTC B1497/97: BUS IC Communication Malfunction [06/2015 - ]
- DTC B1451/51: Compressor Solenoid Circuit [06/2015 - ]
- DTC B1446/46: Air Mix Damper Control Servo Motor Circuit (Driver Side) [06/2015 - ]
- DTC B1443/43: Air Outlet Damper Control Servo Motor Circuit [06/2015 - ]
- DTC B1442/42: Air Inlet Damper Control Servo Motor Circuit [06/2015 - ]
- DTC B1441/41: Air Mix Damper Control Servo Motor Circuit (Passenger Side) [06/2015 - ]
- DTC B1423/23: Pressure Sensor Circuit [06/2015 - ]
- DTC B1413/13: Evaporator Temperature Sensor Circuit [06/2015 - ]
- DTC B1411/11: Room Temperature Sensor Circuit [06/2015 - ]
- DTC B1412/12: Ambient Temperature Sensor Circuit [06/2015 - ]
- Circuit Tests
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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.