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)STEERINGMANUAL STEERINGPOWER STEERING SYSTEM - DIAGNOSTIC CODES & CIRCUIT TESTS
2016 Scion iM Automatic CVT Trans
Power Steering System - Diagnostic Codes & Circuit Tests
2016 Scion iM Automatic CVT TransSECTION Power Steering System - Diagnostic Codes & Circuit Tests
- Power Steering System
- On-Vehicle Inspection [06/2015 - ]
- DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module [06/2015 - ]
- DTC C1582: Assist Map Number Mismatch [06/2015 - ]
- DTC C1581: Assist Map Number Un-Writing [06/2015 - ]
- DTC C1552: PIG Power Supply Voltage; DTC C1554: Power Supply Relay Failure [06/2015 - ]
- DTC C1551: IG Power Supply Voltage [06/2015 - ]
- DTC C1541: Vehicle Speed Signal [06/2015 - ]
- DTC C1521: Short in Motor Circuit; DTC C1522: Power Supply Sensor; DTC C1523: Current Deviation Excessive; DTC C1524: Motor Terminal Voltage; DTC C1528: Motor Rotation Angle Sensor; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: Temperature Sensor Circuit is Low or High; DTC C1534: EEPROM; DTC C1555: Motor Relay Welding Failure [06/2015 - ]
- DTC C1516: Torque Sensor Zero Point Adjustment Incomplete [06/2015 - ]
- DTC C1511: Torque Sensor1; DTC C1512: Torque Sensor2; DTC C1513: Torque Sensor Deviation Excessive; DTC C1514: Torque Sensor Power Supply Voltage; DTC C1517: Torque Hold [06/2015 - ]
- DTC C1515: Torque Sensor Zero Point Adjustment Undone [06/2015 - ]
- Circuits 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.