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: Wiring Diagram
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P0351 on DTC P0351 IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT, DTC P0352 IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT, DTC P0353 IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT, DTC P0354 IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT, DTC P0355 IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT, DTC P0356 IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT for the wiring diagram of the ignition system.