C1552 · blink 52 – PIG Power Source Circuit
- System
- EMPS
- Dashboard light
- EPS (electric power steering) warning
- Check-engine blink code
- 52
- 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
- PIG Power Source Circuit
- Detection / symptoms
- Detection: The abnormal motor power source voltage value which is not within the specification is input to EMPS ECU.
- Possible causes
- EMPS ECU; Power source circuit
- What to check
- Workshop check order (RM821E): CHECK POWER STEERING ECU ASSY(PIG−PGND) (EMPS ECU) -> CHECK CONTINUITY(PGND−BODY GROUND) -> CHECK FUSE(EMPS)
- 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