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Home >> Volvo >> 1993 >> 850 Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - Aw50-42LE >> Component Testing >> Mode Selector Switch

Mode Selector Switch

  1. Ensure ignition switch is off. Disconnect mode selector switch from center bracket. Disconnect switch connector from switch. Using a DVOM, measure resistance between switch terminals No. 2 (Green/Orange wire) and 5 (Light Blue wire) when switch is in SPORT mode. Resistance should be infinite. When mode selector switch is moved to any other position, zero ohms should exist.
  2. Measure resistance between switch terminals No. 3 (Brown/Gray wire) and 5 (Light Blue wire) when switch is in ECON mode. Resistance should be infinite. When mode selector switch is moved to any other position, zero ohms should exist. If resistance is not as specified, replace mode selector switch.
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