C1522 · blink 22 – Motor Circuit Malfunction
- System
- EMPS
- Dashboard light
- EPS (electric power steering) warning
- Check-engine blink code
- 22
- Market note
- EMPS (electric power steering) is not fitted on PK cars; PK cars use hydraulic steering.
- Applies to
- Cars with electric power steering only. NOT fitted on PK cars: the EPC fig 4502 hydraulic vane pump covers ZZE12#..PKN and NZE120.
- Description
- Motor Circuit Malfunction
- Detection / symptoms
- Detection: Short circuit of motor terminal or abnormal voltage or current in motor circuit.
- Possible causes
- Steering column assembly; EMPS ECU
- What to check
- See RM page (inspection steps not parsed)
- Confidence
- high (official Toyota RM821E)
From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights