31603 - Innova Pro

Using the Scan ToolI/M READINESS TESTING3. RED LED - Indicates there is a problemwith one or more of the vehicle's systems.A vehicle displaying a red LED is definitelynot ready for an Emissions Test (SmogCheck). The red LED is also an indicationthat there are Diagnostic Trouble Code(s)present (displayed on the Scan Tool'sscreen). The Malfunction Indicator (CheckEngine) Lamp on the vehicle's instrumentpanel will light steady. The problem that iscausing the red LED to light must berepaired before an Emissions Test (SmogCheck) can be performed. It is also suggested that the vehicle beinspected/repaired before driving the vehicle further.If the Red LED was obtained, there is a definite problem present inthe system(s). In these cases, you have the following options.• Repair the vehicle yourself. If you are going to perform therepairs yourself, proceed by reading the vehicle service manualand following all its procedures and recommendations.• Take the vehicle to a professional to have it serviced. Theproblem(s) causing the red LED to light must be repaired beforethe vehicle is ready for an Emissions Test (Smog Check).Using the I/M Readiness Monitor Status to Confirm a RepairThe I/M Readiness Monitor Status function can be used (after repair of afault has been performed) to confirm that the repair has been performedcorrectly, and/or to check for Monitor Run Status. Use the followingprocedure to determine I/M Readiness Monitor Status:1. Using retrieved Diagnostic Trouble Codes (DTCs) and codedefinitions as a guide, and following manufacturer's repairprocedures, repair the fault or faults as instructed.2. After the fault or faults have been repaired, connect the Scan Tool tothe vehicle's DLC and erase the code or codes from the vehicle'scomputer memory.• See page 53 for procedures for ERASING DIAGNOSTICTROUBLE CODES (DTCs) from the vehicle's on-boardcomputer.• Write the codes down on a piece of paper for reference beforeerasing.3. After the erase procedure is performed, most of the Monitor icons onthe Scan Tool’s display will be flashing. Leave the Scan Toolconnected to the vehicle, and perform a Trip Drive Cycle for each"flashing" Monitor:Misfire, Fuel and Comprehensive Component Monitors runcontinuously and their icons will always be on solid, even afterthe erase function is performed.CarScan+ ABS/SRS 59