Reading Diagnostic Trouble Codes

Without Scan Tool (SRS Indicator Lamp)

DIAGNOSTIC TROUBLE CODE (DTC)
The SRS indicator light indicates the DTC by the number of blinks when the SCS service connector is connected to the service check connector.

Diagnostic Trouble Code (DTC):

1. With the ignition switch OFF, connect the SCS service connector to the service check connector.

Diagnostic Trouble Code (DTC):

2. Turn the ignition switch ON (II). The SRS indicator light comes on for about six seconds and goes off. Then it will indicate the DTC:

- The DTC consists of a main code and a sub-code.
- Including the most recent problem, up to three different malfunctions can be indicated.
- In case of a continuous failure, the DTC will be indicated repeatedly (see example 1 below).
- In case of an intermittent failure, the SRS indicator light will indicate the DTC one time, then it will stay on (see example 2 below).
- If both a continuous and an intermittent failure occur, both DTCs will be indicated as continuous failures.
- In case the system is normal(no DTC), the SRS indicator light will start blinking continuous short blinks (see example 3 below).

Diagnostic Trouble Code (DTC):

Examples of DTC Indications