CorollaFix

C1516 (blink 16) on Toyota Corolla E120: Calibration of Sensor Zero Point Not

Short answer: C1516 means “Calibration of Sensor Zero Point Not”. The car’s computer has found a fault in the EMPS system and turns on the EPS (electric power steering) warning. First check: workshop check order (RM821E): PERFORM CALIBRATION OF TORQUE SENSOR ZERO POINT -> CHECK POWER STEERING COMPUTER ASSY (EMPS ECU).

Code
C1516 · blink 16
System
EMPS
Dashboard light
EPS (electric power steering) warning
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.
Market note
EMPS (electric power steering) is not fitted on PK cars; PK cars use hydraulic steering.
Confidence
high (official Toyota RM821E)
Source
toyotamanuals.gitlab.io

Symptoms and when it is set

  1. When torque sensor zero point calibration not performed, − this DTC is detected. This is detected when the torque sensor zero point calibra- − tion is not completed normally.

What to check, in order

  1. Workshop check order (RM821E): PERFORM CALIBRATION OF TORQUE SENSOR ZERO POINT -> CHECK POWER STEERING COMPUTER ASSY (EMPS ECU)

Related on this car

← C1515/15 C1521/21 →

Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.