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MANUAL A/C DIAGNOSIS TSB Revision HEATING AND AIR CONDITIONING 55-10 STEP 2. Check the dual pressure switch operation. the high/low pressure side terminals located on the harness (2) Install a gauge manifold to the high-pressure side service valve of the refrigerant line. (Refer to .) (3) When the high/low pressure sides of the dual pressure switch are at operation pressure (ON) and there is Q: When the high/low pressure sides of the dual pressure switch are at operation pressure (ON), is there STEP 3. Check the refrigerant-temperature switch Q: When the A/C is off, check that there is continuity between the refrigerant-temperature switch terminals. Is STEP 4. Measure the automatic compressor controller . Q: Is the automatic compressor controller terminal voltage in good condition? ITEMS SWITCH POSITION OFF → → → → ON ON → → → → OFF Low-pressure side kPa 221 (32.1) 196 (28.4) High-pressure side 2,354 (341.4) 2,942 (426.7) A003021 HIGH/LOW LOW-PRESSURE HIGH-PRESSURE ON OFF ON OFF AB AC001372 REFRIGERANT AB |