QT4 Check Warning Indicator With Engine Running

- Start the engine.

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

- Drive the vehicle if necessary.

- Does the anti-lock brake warning indicator illuminate?

YES -- If retrieving codes using a Super STAR II Tester, proceed to Quick Test Step QT5. QT5 Perform Super Star II Hookup

If retrieving codes using a VOM, proceed to Quick Test Step QT6. QT6 Perform VOM Hookup

If retrieving codes using a NGS Tester, proceed to Quick Test Step QT7. QT7 Connect New Generation Star Tester

NO -- Normal operation. If ABS symptom exists, Go to Pinpoint Test Step G1. G1 Check ABS Brake Indicator Operation