Code No. P0102:
Air Flow Sensor Low
DIAGNOSIS CONTENT
Voltage below lower limit
TROUBLE JUDGMENT
Check Conditions
- The air flow sensor reference voltage is normal.
- The average engine speed is within the monitoring range.
Judgment Criterion
- The air mass per time unit is below a threshold.
FAIL SAFE FUNCTION
- Torque control is operated.
- EGR control is prohibited.
PROBABLE CAUSE
(Refer to Symptom Procedure - Air Flow Sensor System 
.)