QT4 Check Warning Indicator With Engine Running

- Start the engine.

NOTE: Certain ABS DTCs require that the vehicle be driven in order for the warning lamp to come on. Other DTCs will cause the lamp to turn on each time the engine is started.

- Drive the vehicle if necessary.

- Observe the anti-lock warning lamp.

- Does anti-lock warning lamp illuminate continuously?

YES -- Indicates a present failure. Go to T5. QT5 Perform ABS Trouble Code Retrieval

NO -- Normal operation. If ABS symptom exists, there may be an intermittent problem. Go to T5. QT5 Perform ABS Trouble Code Retrieval

If no ABS symptoms exist, ABS system is operating normally.