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Home >> Volvo >> 1992 >> 940 GL, AW70L >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Diagnosis & Testing >> Component Test Mode >> System Component Check
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System Component Check

  1. Turn cruise control selector switch to OFF position. Move gear selector to "D". Turn ignition on.
  2. Press diagnostic button twice, each time for one second. If LED starts flashing rapidly (about 6 times a second), go to next step. If LED does not perform as indicated, go to DIAGNOSTIC HOOKUP CHECK.
  3. Depress brake pedal for about one second. If no code is present, go to BRAKELIGHT CHECK. If Code 1-1-3 is present, go to BRAKE VALVE CHECK. If Code 3-1-1 is present, go to SEVERAL SIGNALS CHECK. If Code 1-3-2 is present, go to next step.
  4. Slide cruise control selector switch to ON position. If no code is present, go to BRAKE VALVE CHECK. If Code 3-1-1 is present, go to SEVERAL SIGNALS CHECK. If Code 1-1-3 is present, go to next step.
  5. Depress brake pedal for about one second. If no code is present, go to BRAKE VALVE CHECK. If Code 3-1-1 is present, go to SEVERAL SIGNALS CHECK. If Code 1-1-3 is present, go to next step.
  6. Press RESUME button on cruise control switch for about one second. If no code is present, go to RESUME BUTTON CHECK. If Code 3-1-1 is present, go to SEVERAL SIGNALS CHECK. If Code 1-2-3 is present, go to next step.
  7. Press SET button on cruise control switch for about one second. If no code is present, go to SET BUTTON CHECK. If Code 3-1-1 is present, go to SEVERAL SIGNALS CHECK. If Code 1-3-1 is present, go to next step.
  8. Put transmission shift lever in neutral position. If no code is present, go to NEUTRAL START SWITCH CHECK. If Code 3-1-1 is present, go to SEVERAL SIGNALS CHECK. If Code 2-2-3 is present, go to SERVO SYSTEM TEST.
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