EM-12 ENGINE MECHANICAL (2JZ-GTE) - IGNITION TIMING (e) Remove the SST from the DLC1. SST 09843-18020 6. FURTHER CHECK IGNITION TIMING Ignition timing: 10 - 20° BTDC @ idle (Transmission in neutral position) HINT: The timing mark moves in a range between 10° and 20°. 7. DISCONNECT TIMING LIGHT FROM ENGINE 8. DISCONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL 1997 SUPRA (RM502U) Author : Date : 1117