Astra
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
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