P0203
P0203Cayenne V8 - injection valve on cylinder 3 - open circuit
Diagnostic conditions
- Engine running
- Battery positive voltage > 8 V
Possible cause of fault
- Open circuit in injection valve's control line
- Open circuit in voltage supply between injection valve and fuse
- Fuse F7 in fuse carrier in radiator tank E-box faulty
- Injection valve on cylinder 3 faulty
- DME control module faulty
Affected terminals
DME control module plug B, pin 97, and pin 2 of injection valve
Diagnosis/troubleshooting
NOTE: Connection KE 7 is located on the bottom of the radiator tank E-box
Cayenne V6 - injection valve on cylinder 3 - open circuit
Diagnostic conditions
- Engine running
- Battery positive voltage > 8 V
Possible cause of fault
- Open circuit in injection valve's control line
- Open circuit in voltage supply between injection valve and fuse
- Fuse F7 in fuse carrier in radiator tank E-box faulty
- Injection valve on cylinder 3 faulty
- DME control module faulty
Affected terminals
DME control module plug B, pin 88, and pin 2 of injection valve
Diagnosis/troubleshooting
NOTE: Connection KE 7 is located on the bottom of the radiator tank E-box.
