Automatic Transmission Diagnosis for 1995 Volvo 850 AW50-42LE Electronic Controls
Part of content: Transaxle is equipped with a mode selector switch. Switch is used for normal, high performance and winter driving conditions. Transaxle is also equipped with a shift lock and key interlock system. Shift lock system prevents shift lever from being moved from Park position unless brake pedal is applied. Brake switch is an input device mounted above the brake pedal. When brake pedal is applied, brake switch delivers an input signal to the TCM.
Diagnostic Unit LED Does Not Flash 1) Disconnect diagnostic unit. Turn ignition on. Check for voltage at diagnostic connector terminal No. 4. If voltage is not present, check fuse and wiring.
