What is the firing order of a Lexus gs 300 1999 with out dirtribuator?

The firing order for a 1999 Lexus GS 300, which has a 2JZ-GE engine and uses coil-on-plug ignition without a distributor, is 1-5-3-6-2-4. This means that the cylinders fire in that specific sequence. The engine has six cylinders arranged in a straight line, and this firing order is crucial for proper engine operation and performance.