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Home >> Lexus >> 2007 >> RX 350 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0300 Random / Multiple Cylinder Misfire Detected; DTC P0301 Cylinder 1 Misfire Detected; DTC P0302 Cylinder 2 Misfire Detected; DTC P0303 Cylinder 3 Misfire Detected; DTC P0304 Cylinder 4 Misfire Detected; DTC P0305 Cylinder 5 Misfire Detected; DTC P0306 Cylinder 6 Misfire Detected >> Typical Enabling Conditions

Typical Enabling Conditions

Misfire: 

TYPICAL ENABLING CONDITIONS

The monitor will run whenever these DTCs are not present P0100, P0101, P0102, P0103 (MAF Sensor), P0110, P0112, P0113 (IAT Sensor), P0115, P0116, P0117, P0118 (ECT Sensor), P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP Sensor), P0125 (Insufficient ECT for Closed Loop), P0327, P0328, P0332, P0333 (Knock Sensor), P0335 (CKP Sensor), P0340, (CMP Sensor), P0500 (VSS)
Battery voltage 8 V or more
VVT system No operate by scan tool
Engine RPM 450 to 6,500 RPM
Either of the following conditions is met Condition (a) or (b)
(a) Engine start ECT More than-7°C (19°F)
(b) ECT More than 20°C (68°F)
Fuel-cut OFF

Monitor period of emission-related-misfire: 

TYPICAL ENABLING CONDITIONS

First 1,000 revolutions after engine start, or check mode Crankshaft 1,000 revolutions
Except above Crankshaft 1,000 revolutions x 4

Monitor period of catalyst-damage-misfire (MIL blinks): 

TYPICAL ENABLING CONDITIONS

All of the following conditions 1, 2 and 3 are met Crankshaft 200 revolutions
1. Driving cycle 1st
2. Check mode OFF
3. Engine RPM Less than 2,600 RPM
Except above (MIL blinks immediately) Crankshaft 200 revolutions x 3
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