996 Carrera Group 0 Part 2 Diagnosis / PAGE 344
Fault, fault code Possible causes, elimination, notes · Test point 7
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911 Carrera (996) PCM diagnosis
Fault, fault code Possible causes, elimination, notes
Test point 7
Antenna,navigation unit Open circuit
Open circuit 1. Check whether plug connection of the antenna lead
Fault code 26
is securely locked.
2. Check whether plug connection of the antenna lead
on the navigation unit is securely locked.
3. Checkcontinuityof the antennalead.
Test point 8
Data lead, Short to ground
PCM-instrument cluster 1. Pull off plug I on the display and operator control unit.
Short to ground
Short to B+ 2. Pull off plug III on the instrument cluster.
Fault code 27
3. Check lead from plug I pin 20 to plug III pin 6 for short to ground.
Short to B+
1. Pull off plug I on the display and operator control unit.
2. Pull off plug III on the instrumentcluster.
3. Check lead from plug I pin 20 to plug III pin 6 for short B+.
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