TOYOTA/LEXUS 1990-2011

NOTE: TO ACCESS SRS CODES GO TO THE SQUARED DLC CONNECTOR UNDER HOOD OR ROUND DLC CONNECTOR UNDER DASH. ON LATE MODEL LEXUS 2001-UP JUMP TERMINALS 13 & 4 OF THE OBD-2 DLC CONNECTOR.

HOW TO ACCESS SRS CODES

WITHOUT A SCANNER

1. Turn ignition switch to Acc or On position. 
2. Wait approximately 20 seconds.
3. Connect DLC terminal Tc and E1 or Tc and CG with special diagnosis check wire tool No. 09843-18020 or any jumper wire.
4. Read two-digit DTC from SRS warning lamp as blinks as follows:

a. If lamp flashes two times per second, there are no DTC's stored.
b. If a malfunction code is indicated, first digit will flash, then after 1.5 seconds elapse, second digit will flash.
c. If more than one code is stored, 2.5 seconds will elapse, then second code will appear.
d. DTC flashes will be displayed from smallest numerically to largest.
e. After all stored DTC's have been read, 4.0 seconds will

On Late model LEXUS ES 300/330, GS 300/430, GX470, IS250/350, LS430, RX300/330, RX400H HYBRID, and SC430

To extract codes, connect a jumper wire between terminals 13 (Tc) and 4 (CG) of the OBD-2 DLC connector
Count the number of flashes at the SRS indicator, This procedure may work on older OBD-2 systems

WITH A SCANNER

Connect a suitable programmed scan tool to DLC and follow manufacturer's instructions.