|
|
Content .. 1161 1162 1163 1164 ..
MONITOR DESCRIPTION If there is a defect in the MAF meter or an open or short circuit, the voltage level deviates from the normal Example: When the sensor output voltage remains less than 0.2 V, or more than 4.9 V, for more than 3 seconds, the ECM If the malfunction is not repaired successfully, a DTC is set 3 seconds after the engine is next started. MONITOR STRATEGY MONITOR STRATEGY TYPICAL ENABLING CONDITIONS TYPICAL ENABLING CONDITIONS TYPICAL MALFUNCTION THRESHOLDS P0102: TYPICAL MALFUNCTION THRESHOLDS P0103: TYPICAL MALFUNCTION THRESHOLDS Approximately 0.0 Open in Mass Air Flow (MAF) meter power source circuit Open or short in VG circuit 271.0 or more Open in EVG circuit Related DTCs P0102: MAF meter range check (Low voltage) Required Sensors/Components (Main) MAF meter Required Sensors/Components (Related) Crankshaft position sensor Frequency of Operation Continuous Duration 3 seconds MIL Operation Immediate: Engine RPM less than 4000 RPM Sequence of Operation None Monitor runs whenever following DTCs not present None MAF meter voltage Less than 0.2 V
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
|