Porsche Boxster Technical Manual page 106

37 Tiptronic diagnosis Boxster
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Fault, DTC Possible causes, elimination, notes
1. Check ATF level (refer to Page 37 -A 12).
2. Check sender for ATF temperature with wiring To do this, connect
an ohmmeter to control module connector pins 21 and 22.
Nominal value:
At 20 °C = approx. 1.00 kg
At 40 °C = approx. 1.15 kg
At 60 °C = approx. 1.30 kg
3. Check wiring from control module connector pin 21 (or 22) to the
16-pole transmission connector pin 14 (or 13) for continuity, short cir-
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cuit to ground and short to B+.
4. Test sender for ATF temperature with transmission wiring harness.
To do this, connect an ohmmeter to transmission socket pin 13 and
pin 14.
Nominal value:
At 20 °C = approx. 1.00 kg
At 40 °C = approx. 1.15 kg
At 60 °C = approx. 1.30 kg
If the nominal value is not OK = the transmission wiring harness or
sender for the ATF temperature is defective.
Note
As the sender for the ATF temperature is integrated in the trans- 8
mission wiring harness, the transmission wiring harness must be re-
placed if the sender is damaged.
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37 .D 40 37 01 Diagnosis/troubleshooting, Tiptronic
98637D21 Printed in Germany -3, 1996