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Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 105

DME 7.8 DME 7.8 0 · AHKATS-Sum total of ahkat + ahkat2

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DME 7.8 DME 7.8 0 1 - poor AHKATS-Sum total of ahkat + ahkat2 A - Symmetry line HC Bank 2 HC - HC emissions A The cases for catalytic converter bank 1 are shown in the graphic. AHKATS The same applies for bank 2. 5 6 1 TWC 1 OK 2 TWC 1 OK 3 TWC 1 OK 1 2 3 4 HC Bank 1 4 TWC 1 faulty (P0420) AHKATMN AHKATSB AHKATMX ahkat 5 TWCs 1 and 2 faulty (P0420 and P0430) 0 1 6 TWC 1 faulty (P0420) In the case of the individual CIDs, the limit values (maximum) and the test value of the last test are output. Maximum: fault, if the test value is greater than the limit value. The following CIDs can be displayed: $00 Test not yet carried out $05 Conversion bank 1 The values displayed can be multiplied by the factor 0.0039 to find the ahkat or AHKATMX values. $06 Conversion bank 2 The values displayed can be multiplied by the factor 0.0039 to find the ahkat or AHKATMX values. Note! CID $05 and $06 are displayed if the test was completed without faults. The values provide information as to how far the catalytic converters still are from the limit values. $07 Checksum error, bank 1 and bank 2 DTC P0420 and P0430 in memory. The values displayed can be multiplied by the factor 0.0078 to find the ahkat and ahkat2 or AHKATS values. $08 Checksum range error, bank 1 DTC P0420 in memory. Data output with a scan tool - 911 Carrera (996) 0-3.1 page 19 Printed in Germany – 8, 2002 dsc_FL78

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