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Home >> Volvo >> 1995 >> 850 Base, 4D Sedan, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Turbo >> Diagnostic Trouble Code Testing >> MOTRONIC 4.3 Control System >> Code 4-3-2, 5-1-3: Temperature Warning Level 1, Temperature Warning Level 2

Code 4-3-2, 5-1-3: Temperature Warning Level 1, Temperature Warning Level 2

  1. Check for other codes. If Code 5-1-4 is stored, perform testing for that code first. If Code 5-1-4 is not stored, go to next step.
  2. Using Volvo Scan Tool (998-8686 ), use Diagnostic Test Mode (DTM) 3 to check if engine cooling fan is functioning and that air is being drawn into connector for ECM box air hose in fan shroud. If engine cooling fan operates, go to next step. If engine cooling fan does not operate, perform testing for Code 5-1-4.
  3. Turn ignition on. Set blower switch at highest speed. Close dash vents. Check if there is a slight stream of air from control module box air hose. If air is blowing from hose, control module box is cooling okay. Erase code. If no air is coming from hose, ensure hoses and couplings are in place and not blocked. Repair as necessary.
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