b'DME $\x03QHZ\x036HFRQGDU\\\x03$\x11,\x115\x11\x03SXPS\x03ZDV\x03LQVWDOOHG\x11\x037KH\x03FXVWRPHU\x03DQG\x03WHFKQLFLDQ\x03decided jointly to proactively replace both control valves at the cylinder Sec. A.I.R. Sensor Signal SecondaryKHDGV\x03ZKLOH\x03WKH\\\x03ZHUH\x03DW\x03LW\x11\x032QFH\x03WKH\x03ZRUN\x03ZDV\x03FRPSOHWH\x0f\x03WKH\x03FLUFXLW\x03ZDV\x035 Volt ReferenceA.I.R. Sensor WHVWHG\x03IRU\x03ZLULQJ\x03VKRUWV\x11\x031RQH\x03ZHUH\x03IRXQG\x0f\x03WKH\x03IXVH\x03ZDV\x03UHSODFHG\x0f\x03\'7&V\x03Signal Ground ZHUH\x03FOHDUHG\x0f\x03DQG\x03WKH\x03WHFK\x03UDQ\x03XS\x03WKH\x03FDU\x0f\x03SUHWW\\\x03VXUH\x03KH\x03ZDV\x03DOO\x03VHW\x03ZLWK\x03D\x03JRRG\x0f\x03FRPSOHWH\x03UHSDLU\x11\x036HF\x11\x03$\x11,\x115\x11\x035HOD\\\x03&75/ Secondary%XW\x03ZKDW\x03GR\x03\\RX\x03VXSSRVH\x03KDSSHQV\x03QH[W"\x03RX\x03JRW\x03LW\x0f\x03WKH\x03&KHFN\x03(QJLQH\x03OLJKW\x03A.I.R. Pump SRSV\x03ULJKW\x03EDFN\x03RQ\x03GXULQJ\x03WKH\x03URDG\x03WHVW\x11\x03:RUVHLW\x03H[KLELWV\x03WKH\x03H[DFW\x03VDPH\x03Fuse Box WZR\x03\'7&V\x03WKH\x03FDU\x03FDPH\x03LQ\x03ZLWK\x04ImageCourtesy )XVH\x03\x15\x1d\x03\x17\x13$ Secondary:LWK\x03 WKH\x03 FRGHV\x03 LQ\x03 KDQG\x0f\x03 WKH\x03 WHFKQLFLDQ\x03 GXJ\x03 LQWR\x03 KLV\x03 UHVHDUFK\x0f\x03 LQ\x03 DQ\x03Charlie\'s 15 Relay Adapter A.I.R. Relay DIWHUPDUNHW\x03VHUYLFH\x03LQIRUPDWLRQ\x03V\\VWHP\x11\x036FKHPDWLFV\x03ZHUH\x03SXOOHG\x0f\x03DQG\x03LQ\x03Foreign UHDGLQJ\x03WKH\x03\'7&\x03RZ\x03FKDUW\x0f\x03WKH\x03WHFKQLFLDQ\x03WKRXJKW\x03WKDW\x03WKH\x03GHVFULSWLRQ\x03RI\x03Car Figure 1: The 2014 Panamera 3.0L supercharged schematic forWKH\x03WHVWLQJ\x03DQG\x03H[SHFWHG\x03UHVXOWV\x03ZHUH\x03IDLUO\\\x03VWUDLJKWIRUZDUG\x11\x03the Secondary A.I.R. pump control. 2QFH\x03WKH\x03SXPS\x03LV\x03WXUQHG\x03RQ\x0f\x03LW\x03VKRXOG\x03UXQ\x03IRU\x03URXJKO\\\x03\x16\x13\x03WR\x03\x1c\x13\x03VHFRQGV\x11\x03Theruntimeisdeterminedbyoutsideenvironmentalsensorsandthe IHHGEDFN\x03 IURP\x03 WKH\x03 R[\\JHQ\x03 VHQVRUV\x03 ZKLFK\x03 LQGLFDWH\x03 ZKHQ\x03 WKH\x03 FDWDO\\WLF\x03FRQYHUWHU\x03KDV\x03EHJXQ\x03LWV\x03GLXVLRQ\x03EXUQ\x03\x0bNQRZQ\x03DV\x03OLJKW\x03R\x0c\x11\x03$FFRUGLQJ\x03WR\x03Porsche Driveability DiagnosticVHUYLFH\x03LQIRUPDWLRQ\x0f\x037KH\x03\'0(\x03UXQV\x03WKH\x032%\'\x03,,\x036HFRQGDU\\\x03$\x11,\x115\x11\x030RQLWRU\x03WHVW\x03DW\x03WKH\x03\x15\x13\x10\x16\x13\x03VHFRQG\x03PDUN\x03DIWHU\x03WKH\x03HQJLQH\x03LV\x03VWDUWHG\x03DQG\x03WKH\x03SXPS\x03LV\x03commanded on. Dilemmas and Drama DevelopSecondary A.I.R. Monitor Test Parameters$W\x03WKH\x03\x15\x13\x03VHFRQG\x03PDUN\x0f\x03WKH\x03\'0(\x03FORVHV\x03YDOYH\x03\x06\x14\x03IRU\x03YH\x03VHFRQGV\x03DQG\x03ORRNV\x03an AutomotiveTechInfo.com publication IRU\x03D\x03ULVH\x03LQ\x03SUHVVXUH\x11\x03$W\x03WKH\x03\x15\x18\x03VHFRQG\x03PDUN\x0f\x03YDOYH\x03\x06\x14\x03LV\x03UHRSHQHG\x03DQG\x03WKH\x03Due to Drastic Deficits of Data \'0(\x03WKHQ\x03FORVHV\x03YDOYH\x03\x06\x15\x03IRU\x03YH\x03VHFRQGV\x11\x037KH\x03\'0(\x03WKHQ\x03ORRNV\x03IRU\x03WKH\x03same rise in pressure. Whenever there exists a lack of actionable service information or essential data on$V\x03ORQJ\x03DV\x03WKH\x03V\\VWHP\x03LV\x03MXGJHG\x03WR\x03EH\x03RZLQJ\x0f\x03OLIH\x03JRHV\x03RQ\x11\x03%XW\x03WKLV\x03ZDV\x03QRW\x03any vehicle system these days, even the best of technicians can get tangled up inWKH\x03FDVH\x03ZLWK\x03WKLV\x033DQDPHUD\x11major diagnostic drama. This case involving a 2014 Porsche Panamera Hybrid 3.0LThe sensor that measures the pressure for the Secondary A.I.R. system is ORFDWHG\x03LQ\x03WKH\x03WHH\x03RI\x03WKH\x03$\x11,\x115\x11\x03KRVH\x0f\x03ZKHUH\x03WKH\x03RXWOHW\x03RI\x03WKH\x03$\x11,\x115\x11\x03SXPS\x03LV\x03proves conclusively that vague OEM DTC and testing information can result in costlyWHHG\x03LQWR\x03WKH\x03FURVV\x10HQJLQH\x03SLSH\x03WKDW\x03JRHV\x03WR\x03HDFK\x03$\x11,\x115\x11\x03FRQWURO\x03YDOYH\x03RQ\x03WKH\x03technician misdirection. We often need to develop a strategic Plan B to get the answer. EDFN\x03RI\x03HDFK\x03F\\OLQGHU\x03KHDG\x0f\x03DV\x03VKRZQ\x03LQ\x03)LJXUHV\x03\x15\x03DQG\x03\x16\x11Figure 2: Diagram of the A.I.R. hose assembly parts that routes7KH\x03VHUYLFH\x03LQIRUPDWLRQ\x03DYDLODEOH\x03WR\x03WKH\x03WHFKQLFLDQ\x03LQGLFDWHG\x03WKDW\x03ZLWK\x03WKH\x03pumped air into the tee and across the feed pipe to each valveLJQLWLRQ\x03NH\\\x03RQ\x0f\x03WKH\x03VHQVRU\x033,\'\x03RQ\x03WKH\x03VFDQQHU\x03VKRXOG\x03UHDG\x03DWPRVSKHULF\x0f\x03on the cylinder heads. RU\x03\x0e\x12\x10\x03\x14\x0f\x13\x13\x13\x03\x03K3D\x1e\x03WKLV\x0f\x03RI\x03FRXUVH\x0f\x03LV\x03DOWLWXGH\x03GHSHQGHQW\x11\x03:KHQ\x03WKH\x03SXPS\x03LV\x03This2014PorschePanameraHybrid3.0Lhadaseeminglysimple7KH\x03WHFKQLFLDQ\x03VXVSHFWHG\x03WKDW\x03WKLV\x03FRXOG\x03EH\x03WKH\x03FDVH\x11\x03+RZHYHU\x0f\x03WKH\x03VWRU\\\x03 UXQQLQJ\x0f\x03WKH\x033,\'\x03VKRXOG\x03LQGLFDWH\x03\x14\x0f\x15\x13\x13\x03K3D\x03DQG\x03ZKHQ\x03WKH\x03YDOYHV\x03DUH\x03EORFNHG\x0f\x03Secondary A.I.R. system failure. 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