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MANUAL A/C DIAGNOSIS TSB Revision HEATING AND AIR CONDITIONING 55-14 STEP 2. Check the blower relay continuity. Q: Is the blower relay continuity in good condition? YES : Go to Step 3. STEP 3. Check the blower switch continuity. Q: Is the blower switch continuity in good condition? YES : Go to Step 4. STEP 4. Check symptoms. Q: Does the blower motor stop turning? YES : This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is − How to Cope with Intermittent Malfunction .) NO : Go to Step 1. BATTERY TERMINAL NO. TERMINAL NO. SUPPLIED 1-3 2-5 NOT SUPPLIED - 1-3 AC003706 AB BLOWER RELAY SWITCH TESTER SPECIFIED 0 (OFF) - No continuity 1 (LO) 3-5 Continuity 2 (ML) 1-3 Continuity 3 (MH) 3-6 Continuity 4 (HI) 3-4 Continuity AC001381AB BLOWER SWITCH |