Fault code 46: Diagnosis/troubleshooting
DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 46)
| Work instruction |
Display OK |
If not OK |
| 1 |
Check micro switches of both door locks. |
- Connect the Porsche System Tester II 9588 and switch on the ignition.
- Close doors.
- Do not lock or secure the vehicle.
- Select the following switch positions in the "Input signals" menu.
- Driver's side secured.
- Passenger's side secured.
- Driver's side locked.
- Passenger's side locked.
|
Driver's side not secured (not applicable to USA vehicles).
Passenger's side not secured (not applicable to USA vehicles).
Driver's side not locked.
Passenger's side not locked.
Step 4 |
Step 2 |
| 2 |
Check wiring from control module to door lock for short circuit to ground. |
- Pull plugs A and B off the control module.
- Pull plug off the door lock with the incorrect switch positions from step 1.
- Measure resistance between plug A on control module pin 5 and ground (if on driver's side) or pin 28 on the control module and ground (if on passenger's side).
|
Step 3 |
Repair wiring harness.
->End |
| 3 |
Check wiring from control module to door lock for open circuit. |
- Pull plug off the door lock with the incorrect switch positions from step 1.
- Measure resistance between plug A on control module pin 5 and plug on door lock pin 7 (if on driver's side) or pin 28 on the control module and pin 7 on the door lock (if on passenger's side).
|
< 5
Step 6 |
Repair wiring harness.
->End |
| 4 |
Check wiring from the alarm system control module to the servomotors for short circuit to ground. |
- Pull plugs off both door locks.
- Pull plugs A and B off the alarm system control module.
- Measure resistance between plug B on control module pin 9 and ground.
- Measure resistance between plug A on control module pin 19 and ground.
|
Step 5 |
Repair wiring harness.
->End |
| 5 |
Check wiring from the alarm system control module to the servomotors for open circuit. |
- Pull plugs off both door locks.
- Pull plugs A and B off the alarm system control module.
- Measure resistance between plug B on control module pin 9 and pin 2 on plugs of the right and left door locks.
- Measure resistance between plug A on control module pin 19 and pin 9 on plugs of the right and left door locks.
|
< 5
Step 7 |
Repair wiring harness.
->End |
| 6 |
- Replace right or left door lock.
|
->End |
| 7 |
|
->End |