DTC Confirmation Test (DTCs P2228 & P2229)
Turn ignition switch to LOCK position. Connect SUZUKI scan tool or equivalent to DLC. See Figure . Turn ignition switch to ON position. Using scan tool, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTIC SYSTEM. Start engine and allow it to idle for one minute. Using scan tool, check for current or pending DTCs P2228 or P2229. See RETRIEVING DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTIC SYSTEM. If DTC resets, go to DIAGNOSIS & REPAIR PROCEDURE .