| Test | TECH 1 | Notes | Nominal Values | Pin | Possible |
|---|---|---|---|---|---|
| Step | Display | Trouble | |||
| No. | Codes | ||||
| 16 | TORQUE CONTROL | Engine at idle speed | 51/19 | ||
| MT vehicles: | INACTIVE | ||||
| AT vehicles: | INACTIVE | 75 |
Note: On vehicles with AT, the engine torque is reduced during shifting via the pre-ignition.
Before disconnecting the transmission control unit, make sure that trouble codes were read out and noted.
Trouble-shooting: Nominal Value: Cause of Fault:
(If nominal value is not attained)
· Ignition OFF
· Separate transmission control unit and · Interruption in cable from Motronic control
Motronic control unit from wiring harness unit Ter. 51 to transmission control unit Ter. 4
· Using multimeter, measure · Short circuit to ground in cable from
resistance at transmission control Motronic control unit Ter. 51 to
unit plug Ter. 4 and Motronic control transmission control unit Ter. 4
unit plug Ter. 51 approx. 0 W · Motronic control unit defective