P0102

DTC P0102 MASS AIR FLOW CIRCUIT LOW INPUT





WIRING DIAGRAM

CIRCUIT DESCRIPTION
The MAF sensor consists of heat resistor, metering duct, straightening net, body, control circuit, etc.
It detects the mass flow of the air drawn into the engine and sends that information to ECM as a current signal. ECM uses the signal as one of the signals to control various devices.

DTC CONFIRMATION PROCEDURE

NOTE: Check to make sure that following conditions are satisfied when using this DTC CONFIRMATION PROCEDURE.
- Intake air temp.: -14°C, 6.8°F or higher.
- Barometric pressure (Altitude) : 540mmHg, 72 kPa or more (2790m, 9150ft or less).

1) Connect scan tool to DLC with ignition switch OFF.
2) Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool.
3) Start engine and run it for 10 sec.
4) Check DTC by using scan tool.





TROUBLESHOOTING