Ignition Timing

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

IGNITION TIMING (DEGREES BTDC @ IDLE) ⁽¹⁾

Application

Base Timing

⁽²⁾ ECM Controlled Timing

ES300

⁽³⁾ 8-12

7-24

GS300 & GS430

⁽⁴⁾ 8-12

6-16

GX470

⁽⁴⁾ 8-12

⁽⁵⁾

IS300, LS430 & SC430

⁽³⁾ 8-12

6-16

LX470

⁽⁴⁾ 5-15

⁽⁵⁾

RX300

⁽⁴⁾ 8-12

10-25

⁽¹⁾	Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, and A/C and all accessories off.

⁽²⁾	With jumper wire removed from data link connector No. 1.

⁽³⁾	With Jumper Wire (SST 09843-18030) installed between data link connector No. 3 terminals TC and CG.

⁽⁴⁾	With Jumper Wire (SST 09843-18020) installed between data link connector No. 1 terminals TE1 and E1 on RX300 models, or terminals TC and E1 on other models.

⁽⁵⁾	Information is not available from manufacturer.