LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 1995 >> SVX LSi >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> A/C-Heater System - Automatic >> Testing >> Code 31: Shorted PBR Circuit >> Notes

Code 31: Shorted PBR Circuit: Notes

  1. Remove auto amplifier, leaving connectors attached. Then See AUTO AMPLIFIER  under REMOVAL & INSTALLATION. Enter DIAGNOSTIC STEP 3. See ENTERING SELF-DIAGNOSTICS  under SELF-DIAGNOSTIC SYSTEM.
  2. Measure voltage between terminals No. 14 (Black/White wire) and No. 11 (Green/Black wire) of auto amplifier 20-pin connector. With temperature display at 41 or 42, voltage should be 4.5 volts.
  3. Depress DEF switch to advance to next temperature display. With temperature display at 43, voltage should be 2.5 volts. With temperature display at 44 or 45, voltage should be .5 volt.
  4. If voltage readings are okay, go to CODE 33,  AIR MIX DOOR MOTOR CIRCUIT. If voltage readings are not as specified, check auto amplifier output voltage. See AUTO AMPLIFIER OUTPUT VOLTAGE CHECK.
scientia non olet · About LEMON Manuals