INSIDE FAN SPEED TURNS OFF RANDOMLY WITH SECURITY LIGHT AND AC CONTROLS , OUTSIDE TEMPERATURE READING. *LA
1998 Toyota Avalon
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1998 Toyota Avalon do not stand out strongly from the model-year median of 101.
About this comparison →How this year compares
Owner complaints by model year
Compare all Avalon years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
51 reports with mileage · 127 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Suspension. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Visibility. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
178 reports1998 TOYOTA AVALON. THE CLIMATE CONTROL RANDOMLY QUITS WORKING. NO HEAT,NO AIR, NO DEFROST NO BLOWER. CAUSES A DANGROUS SITUATION IS YOU NEED THE DEFROSTER AND IT DOESN'T WORK
AT 49,000 MILES, THE ENTIRE AIR CONDITIONING SYSTEM FAILED. BOTH THE COMPRESSOR AND THE CONDENSOR HAVE LEAKS AND THE WHOLE SYSTEM MUST BE REPLACED. TOYOTA HAS FAILED TO OFFER ANY GOODWILL ASSISTANCE FOR THIS REPAIR WHICH COSTS IN EXCESS OF $ 1200.00 SIMPLY CLAIMING "ITS OUT OF WARRANTY." ALL THIS IS A "LUXURY, FLAGSHIP" VEHIC…
Read full complaint
AT 49,000 MILES, THE ENTIRE AIR CONDITIONING SYSTEM FAILED. BOTH THE COMPRESSOR AND THE CONDENSOR HAVE LEAKS AND THE WHOLE SYSTEM MUST BE REPLACED. TOYOTA HAS FAILED TO OFFER ANY GOODWILL ASSISTANCE FOR THIS REPAIR WHICH COSTS IN EXCESS OF $ 1200.00 SIMPLY CLAIMING "ITS OUT OF WARRANTY." ALL THIS IS A "LUXURY, FLAGSHIP" VEHICLE. DON'T BUY THIS CAR! TOYOTA CUSTOMER SERVICE STINKS!! THEY ARE ALOT OF TALK ABOUT REPUTATION BUT THEY FAIL TO LIVE UP TO THEIR PROMISES!! I AM VERY DISSATISFIED WITH THIS CAR! ADDITIONALLY, MY MECHANIC HAS TOLD ME THAT HE HAS SEVERAL AVALONS WITH THIS SAME PROBLEM WHICH HE WILL BE REPAIRING. TOYOTA FAILS TO ACCEPT IT IS A MANUFACTURING DEFECT IN THEIR AIR CONDITIONING PARTS!*AK
AN ALLDATA TECHNICAL SERVICE BULLETIN ISSUED 12/03/1999: "A/C - ATC SYSTEM INTERMITTENTLY FAILS/BECOMES INOPERATIVE. AUTO A/C SYSTEM IMPROVEMENT. INTRODUCTION: A PRODUCTION CHANGE HAS BEEN MADE FOR THE 1998-1999 AVALON A/C AMPLIFIER. THE INTERNAL LOCIC HAS BEEN CORRECTED TO ELIMINATE EXCESSIVE AIR INLET SERVO MOTOR TRAVEL, W…
Read full complaint
AN ALLDATA TECHNICAL SERVICE BULLETIN ISSUED 12/03/1999: "A/C - ATC SYSTEM INTERMITTENTLY FAILS/BECOMES INOPERATIVE. AUTO A/C SYSTEM IMPROVEMENT. INTRODUCTION: A PRODUCTION CHANGE HAS BEEN MADE FOR THE 1998-1999 AVALON A/C AMPLIFIER. THE INTERNAL LOCIC HAS BEEN CORRECTED TO ELIMINATE EXCESSIVE AIR INLET SERVO MOTOR TRAVEL, WHICH MAY EFFECT THE MOTOR AND/OR THE SERVO LINK. VEHICLES WITH AUTOMATIC A/C MAY INTERMITTENTLY EXPERIENCE ONE OR MORE OF THE FOLLOWING CONDITIONS: 1)THE AMBIENT TEMPERATURE DISPLAY MAY GO BLANK; 2)FRESH/RECIRC INDICATOR LIGHT INOPERATIVE; 3)MODE INDICATOR LIGHT INOPERATIVE; 4)BLOWER INDICATIOR INOPERATIVE. NOTE: A/C SYSTEM MAY RESTORE TO NORMAL CONDITION UPON CYCLING THE IGNITION SWITCH. ALL APPLICABLE VEHICLES: ALL 1998 MODEL YEAR AVALON XLS PRODUCED BEFORE VIN:4T1BF18B*WU273780." I FIRST EXPERIENCED THIS PROBLEM IN SUMMER OF 2003. A LOCAL TOYOTA DEALER DENIED KNOWLEDGE OF THE PROBLEM. EVENTUALLY ISOLATED THE PROBLEM AND ALLDATA BULLETIN WITH THROUGH AN INDEPENDENT MECHANIC. NOTIFIED TOYOTA CORPORATE, WHO IS AWARE OF THE PROBLEM AND UNWILLING TO COVER THE COSTS TO CORRECT: $800 PER INDEPENDENT MECHANIC & $1,000 PER LOCAL TOYOTA DEALERSHIP. DURING THE SUMMER, THE ATC FAILURES CREATED POTENTIALLY DANGEROUS DRIVING CONDITIONS AS WINDOWS QUICKLY FOGGED AND VISIBILITY DROPPED TO ZERO. CURRENTLY, THE ATC SYSTEM HAS FAILED AND HAS NOT RESTORED BY ALLOWING THE CAR TO SIT AND CYCLING THE IGNITION SWITCH, CREATING INABILITY TO DE-ICE AND DE-FOG THE CAR WINDOWS. ALL EVIDENCE INDICATES: 1)PROBLEM IS CAUSED BY INCORRECT INTERNAL LOGIC OF THE A/C AMPLIFIER, NOT NORMAL USE/WEAR OF THE VEHICLE; 2)TOYOTA IS AWARE OF THE PROBLEM AND IS UNWILLING TO BE HELD ACCOUNTABLE; 3)THE PROBLEM QUICKLY AND UNPREDICABLY HAS CREATED DANGEROUS DRIVING CONDITIONS FOR THIS AND OTHERS DRIVERS, AS INDICATED BY THEIR NHTSA COMPLAINTS. PLEASE INITIATE AN INVESTIGATION AND RECALL, HOLDING TOYOTA ACCOUNTABLE FOR THE DEFECTIVE NATURE AND FAILURE OF THIS PRODUCT. *AK
WHEN APPLYING BRAKES, THE VEHICLE ACCELERATED WITHOUT WARNING. DEALER STATED THEY WERE UNABLE TO DUPLICATE THE PROBLEM. *AK THREE TIMES WHEN ALMOST COMPLETELY STOPPED, THE CAR SUDDENLY LUNGED FORWARD. THE VEHICLE WENT OVER THE CEMENT AND SCRAPPED THE BOTTOM OF THE CAR, THE TIRES HAD TO BE REPLACED. THE CONSUMER HAS A VERY DANGE…
Read full complaint
WHEN APPLYING BRAKES, THE VEHICLE ACCELERATED WITHOUT WARNING. DEALER STATED THEY WERE UNABLE TO DUPLICATE THE PROBLEM. *AK THREE TIMES WHEN ALMOST COMPLETELY STOPPED, THE CAR SUDDENLY LUNGED FORWARD. THE VEHICLE WENT OVER THE CEMENT AND SCRAPPED THE BOTTOM OF THE CAR, THE TIRES HAD TO BE REPLACED. THE CONSUMER HAS A VERY DANGEROUS UNCONTROLLABLE VEHICLE. *CB *JB
GOODYEAR, REGATTA II, SIZE P205/65R15, DOT UNKNOWN. SIDEWALLS ARE LEAKING AND ARE DEVELOPING BUBBLES INSIDE. DEALER NOTIFIED. *AK
GOODYEAR PUT THE WRONG RATED TIRE ON THE VEHICLE WHICH CAUSED THE FRONT PASSENGER SIDE TIRE TO LEAK FROM THE SIDEWALL. *AK
SLUDGE IN ENGINE CAUSING SMOKE TO COME FROM BACK OF CAR. *PH
A/C CLIMATE CONTROL SHUTS ITSELF OFF AUTOMATICALLY AFTER A SHORT PERIOD USAGE. THE OUTSIDE TEMPERATUR EINDICATOR,FAN SPEED,VENTILATION DIRECTION, AND OUTSIDE AIR RECIRCULATION CONTROLS ALL GO OUT. ALMOST GOTTEN INTO AN ACCIDENT WHEN THE WINDSHIELD A/C DEFROST DID NOT WORK DUE TO THIS PROBLEM. STILL UNDER THE MILAGE WARRANTY(…
Read full complaint
A/C CLIMATE CONTROL SHUTS ITSELF OFF AUTOMATICALLY AFTER A SHORT PERIOD USAGE. THE OUTSIDE TEMPERATUR EINDICATOR,FAN SPEED,VENTILATION DIRECTION, AND OUTSIDE AIR RECIRCULATION CONTROLS ALL GO OUT. ALMOST GOTTEN INTO AN ACCIDENT WHEN THE WINDSHIELD A/C DEFROST DID NOT WORK DUE TO THIS PROBLEM. STILL UNDER THE MILAGE WARRANTY(>36000), AND WENT TO TOYOTA DEALER AND WAS QUOATED $900 TO GET THIS PROBLEM FIXED. WILL CONTACT TOYOTA CUSTOMER SERVICE NEXT. *AK
A/C CLIMATE CONTROL SHUTS ITSELF OFF AUTOMATICALLY AFTER A SHORT PERIOD USAGE. THE OUTSIDE TEMP.INDICATOR,FAN SPEED,VENTILATION DIRECTION, AND OUTSIDE AIR RECIRCULATION CONTROLS ALL GO OUT. ALMOST GOTTEN INTO AN ACCIDENT WHEN THE WINDSHIELD A/C DEFROST DID NOT WORK DUE TO THIS PROBLEM. STILL UNDER THE MILAGE WARRANTY(>36000)…
Read full complaint
A/C CLIMATE CONTROL SHUTS ITSELF OFF AUTOMATICALLY AFTER A SHORT PERIOD USAGE. THE OUTSIDE TEMP.INDICATOR,FAN SPEED,VENTILATION DIRECTION, AND OUTSIDE AIR RECIRCULATION CONTROLS ALL GO OUT. ALMOST GOTTEN INTO AN ACCIDENT WHEN THE WINDSHIELD A/C DEFROST DID NOT WORK DUE TO THIS PROBLEM. STILL UNDER THE MILAGE WARRANTY(>36000), AND WENT TO TOYOTA DEALER AND WAS QUOATED $900 TO GET THIS PROBLEM FIXED. WILL CONTACT TOYOTA CUSTOMER SERVICE NEXT. *AK
Official recalls
198V278000 · Electrical SYSTEM:IGNITION:ANTI-THEFT:CONTROL Module
Oct 19, 1998
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES, MINI VANS AND PASSENGER VEHICLES EQUIPPED WITH A THEFT DETERRENT SYSTEMS (TDS) SUPPLIED BY AUDIOVOX CORPORATION AND DISTRIBUTED BY SOUTHEAST TOYOTA DISTRIBUTORS, INC. IN THE STATES OF ALABAMA, FLORIDA, GEORGIA, NORTH AND SOUTH CAROLINA. THE ALARM WIRING HARNESS PLUGS INTO THE VEHICLE'S IGNITION SWITCH AND THE VEHICLE'S IGNITION SWITCH WIRING HARNESS PLUGS INTO THE ALARM HARNESS TO COMPLETE THE CIRCUIT. A PERCENTAGE OF THE FEMALE TERMINALS USED IN THE ALARM CONNECTOR WERE FOUND TO BE DEFECTIVE, CAUSING AN 'OPEN CIRCUIT' CONDITION WHEN MATED TO THE MALE IGNITION SWITCH TERMINALS.
Consequence & remedy
Consequence: THIS CONDITION CAN CAUSE INTERMITTENT PERFORMANCE OF THE VEHICLE'S ELECTRICAL COMPONENTS SUCH AS THE DASH WARNING LIGHTS AND/OR HVAC FAN SPEED CONTROLS. ALSO, THE VEHICLE MAY NOT RUN SMOOTHLY AND COULD STALL.
Remedy: DEALERS WILL INSPECT THE DATE CODE LABEL ON THE SECURITY SYSTEM HARNESS AND ANY DISPLAYING THE MANUFACTURING/FINAL DATE CODE WILL BE REPLACED WITH NEWLY PRODUCED HARNESSES. THE DATE CODES ARE: RAV4 - 6/24/98, 6/25/98, 6/26/98; SIENNA - 6/25/98, 6/26/98; AND AVALON - 6/30/98, 7/1/98, 8/31/98, 9/1/98, 9/2/98, AND 9/3/98.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1DP02004 · Engine Seizure
Opened Apr 30, 2002 · Closed Jun 20, 2002
Status: closed (inferred from source dates) · Engine And Engine Cooling
No summary supplied.
Illustration