Astra
Note:
The engine load signal Ter. 34 (output signal) is a processed throttle valve potentiometer signal which is used for the ele- ctronic 4-speed Automatic AR 25/35 or AF 14/20 as an influencing variable. The throttle valve potentiometer is the only influencing variable on the signal.
Possible Causes of Fault:
· Air leaks in the intake system. · Air flow meter defective; trouble codes 73, 74. · Engine speed sensor signal faulty: trouble codes 19, 31. · Cable connection from throttle valve potentiometer P 34/Ter. 3 to control unit K 91/Ter. 53 or from Motronic control unit K 91/Ter. 34 to transmission control unit Ter. 55 (AR 25/35) or Ter. 25 (AF 14/20) interrupted. · Motronic control unit defective
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