Figure 4-9 Note: Depending on the vehicle make, some functions may not be available. Typical function options may include: DTC & FFD, I/M Readiness, Live Data, On-Board Monitor, Component Test, Vehicle Information and Vehicle Status. 1. Read DTCs This function displays the DTCs retrieved from the emission-related systems. 2. Clear DTCs This function allows you to clear the DTCs retrieved from the emission-related systems. 3. FFD This function takes a snapshot of the data and operating conditions when an emission-related fault occurs. Note: 1. The procedure of clearing DTCs should be performed after the required repair has been carried out.
Once confirmed, DTCs and FFD stored in the ECU will be cleared. 2. DO NOT START UP THE ENGINE WHILE CLEARING DTCS. 20