GSIC - Global Service Information Center

### DTC P0100 Mass Air Flow Circuit Malfunction

DESCRIPTION

MONITOR DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ DATA LIST (MASS AIR FLOW RATE)

INSPECT MASS AIR FLOW METER (POWER SOURCE)

INSPECT ECM (VG VOLTAGE)

CHECK WIRE HARNESS (MASS AIR FLOW METER - ECM)

CHECK WIRE HARNESS (MASS AIR FLOW METER - INTEGRATION RELAY)

INSPECT ECM (SENSOR GROUND)

CHECK WIRE HARNESS (MASS AIR FLOW METER - ECM)