Every procedure in this manual is written against the 1999 Lexus LS 400 as Lexus actually built it, down to the 4.0L V8 (1UZ-FE) and the Base trim, so the clearances, torque figures and service intervals you work to belong to this model year rather than to the generation on either side of it.
Engines
- 4.0L V8 GAS Naturally Aspirated
Trims
- Base
Known issues on the 1999 LS 400. One recall is on federal record for this model year, and it covers exterior lighting: certain Pro-A Motors corner lamps, turn signals and headlights sold as replacement lamps for use on certain passenger vehicles, where some combination lamps that are not equipped with amber side reflectors fail to conform to Federal Motor Vehicle Safety Standard No. 108. Without the amber reflectors, the vehicle will be poorly illuminated, possibly resulting in a vehicle crash without warning. Owners have filed 23 complaints for the year, and no technical service bulletins are on record for the 1999 LS 400. The diagnostic and repair procedures behind that system are in this manual.
Tracing the exterior lighting circuits, working a scheduled interval on the 1UZ-FE V8, or confirming a torque value before reassembly, you stay on the OEM procedure written for this 1999 LS 400.
CERTAIN PRO-A MOTORS CORNER LAMPS, TURN SIGNALS, AND HEADLIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.
WITHOUT THE AMBER REFLECTORS, THE VEHICLE WILL BE POORLY ILLUMINATED, POSSIBLY RESULTING IN A VEHICLE CRASH WITHOUT WARNING.
PRO-A MOTORS WILL NOTIFY OWNERS AND OFFER TO REPURCHASE THE LAMPS. THE RECALL BEGAN ON APRIL 3, 2006. OWNERS MAY CONTACT PRO-A MOTORS AT 323-838-2988.
Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be available to any custome
Brake Pedal Force Gauge SST for Parking Brake Inspection.
Immobilizer and Smart Key Reset.
Immobilizer and Smart Key Reset
Immobilizer and Smart Key Reset
Auto matic Transmission Replacement kPrecautions
Windshield Wiper Blade Maintenance and cleaning
Showing the 8 most recent of 50 technical service bulletins on file with NHTSA.
IT WAS RAINING AND I WAS ENTERING HIGHWAY, I HAD MY LEFT TURN SIGNAL ON AND STARTED TO ACCELERATE. THE CAR STARTED TO FISH TAIL AND WHEN INTO A 360 DEGREE SPIN, MAYBE TWICE, AT LEAST 1 1/2 TIMES. WHEN I CAME OUT OF SPIN I CRASHED INTO THE CEMENT MEDIAN. AT NO TIME DID THE VSC (VEHICLE SKID CONTROL) ACTIVATE. IT IS SOMETHING THAT YOU CAN'T MISS. A LOUND WARNING SOUND COMES ON AND THE DASHBOARD LIGHTS UP WITH A SKID WARNING. IT HAD HAPPENED ONCE BEFORE IN THE SNOW.*AK
TL* THE CONTACT OWNS A 1999 LEXUS LS400. THE CONTACT STATED THAT WHILE DRIVING 15 MPH, HE APPLIED THE BRAKE DUE TO TRAFFIC. HOWEVER, THE VEHICLE ACCELERATED INDEPENDENTLY AND CRASHED INTO THE REAR OF ANOTHER VEHICLE. THE CRASH CAUSED DAMAGE TO BOTH VEHICLES AS WELL AS AN INJURED KNEE OF THE DRIVER OF THE VEHICLE THAT WAS STRUCK. THE FAILURE HAD RECURRED NUMEROUS TIMES. THE DEALER WAS NOTIFIED AND HE WAS INFORMED THE THROTTLE BODY WOULD PROBABLY NEED TO BE REPLACED. ALSO, HE WAS INFORMED THAT DUE
WHILE SLOWLY PULLING INTO A SHOPPPING CENTER PARKING PLACE THAT WAS PERPENDICULAR TO THE STREET, I HAD MY FOOT ON THE BRAKE WHEN MY VEHICLE SUDDENLY ACCELERATED AND LUNGED OVER THE CURB AND ACROSS THE SIDEWALK INTO A BUILDING. LEXUS HAS BEEN NOTIFIED AND INTIMATED THEY WOULD INVESTIGATE. *NM
WHILE DRIVING 2 MPH, THE VEHICLE ACCELERATED UNCONTROLLABLY. THE CONSUMER WAS UNABLE TO MAINTAIN CONTROL OF THE VEHICLE AND CRASHED INTO A BUILDING. UPON IMPACT, BOTH FRONTAL AIR BAGS FAILED TO DEPLOY. THE VEHICLE WAS TOWED TO THE DEALER FOR INSPECTION. *AK THE CONSUMER WAS PULLING INTO A PARKING SPACE, SLOWLY, WITH HIS FOOT ON THE BRAKE WHEN THE VEHICLE SUDDENLY ACCELERATED, WENT OVER THE CURB AND INTO THE SIDE OF THE BUILDING. *SC *JB
PETITION SEEKING NHTSA TO INVESTIGATE THE LEXUS VEHICLES MODEL YEARS 1997 TO 2000 WHICH HAVE EXPERIENCED PROBLEMS WITH SPEED CONTROL LINKAGES RESULTING IN SUDDEN ACCELERATION. *MR THE VEHICLE SUDDENLY ACCELERATED WITHOUT WARNING WHICH CAUSED THE VEHICLE TO REAR END THE VEHICLE AHEAD OF HIS. AS A RESULT THE CONSUMER RECEIVED A POLICE CITATION. THE DEALER WAS UNABLE TO DUPLICATE THE PROBLEM (ODI# 760680). *SCC *NLM
WHILE MAKING A U-TURN THE VEHICLE SUDDENLY ACCELERATED. DRIVER PUT THE BRAKES ON, AND THE BRAKES SQUEALED AND DID NOT STOP VEHICLE. IT LOST CONTROL AND HIT THE SIDE OF THE WALL. DEALER HAVE BEEN CONTACTED, BUT CANNOT DETERMINE THE PROBLEM. *AK PLEASE PROVIDE FURTHER INFORMATION AND VIN#.
1999 LEXUS LS 400. SUDDEN ACCELERATION. *TR
LEXUS LS 400 1999 MODEL. DANGEROUS HESITATION UPON ACCELERATION. FURTHER AFTER DRIVING THIS CAR FOR TWO YEARS, I HAVE NECK PAINS FROM THE DAILY WHIPLASH. TOYOTA IS IGRNORING THIS SYSTEM WIDE. IT IS AN OUTRAGE. ITS DAMAGING PEOPLES NECKS ALL OVER THE COUNTRY. THEY WILL NOT FIX IT - THEY CLAIM ITS NORMAL. OTHER DEALERS ARE TELLING CUSTOMERS ABOUT IT - - MY WIFE REFUSES TO DRIVE MY CAR - IT'S DANGEROUS!
WHILE WORKING ON THE VEHICLE, THE HOOD FELL DOWN ON THE CONSUMER. *JB THE PISTONS IN THE HOOD WERE NOT SUFFICIENT ENOUGH TO HOLD THE WEIGHT OF THE HOOD. *SC
THE THROTTLE SENSOR FAILED CAUSING THE VEHICLE TO SUDDENLY STOP WHILE DRIVING OR CAUSING IT TO START BUT THE CAR WOULD NOT REV WHEN DEPRESSING THE ACCELERATOR, THE CONSUMER WAS TOLD THAT THE GREASE FROM THE THROTTLE CABLE ASSEMBLY CAN MIGRATE DOWN ONTO THE THROTTLE SENSOR INTERFERING WITH ITS OPERATION. NLM
THE THROTTLE SENSOR FAILED CAUSING THE VEHICLE TO SUDDENLY STOP WHILE DRIVING OR CAUSING IT TO START BUT THE CAR WOULD NOT REV WHEN DEPRESSING THE ACCELERATOR, THE CONSUMER WAS TOLD THAT THE GREASE FROM THE THROTTLE CABLE ASSEMBLY CAN MIGRATE DOWN ONTO THE THROTTLE SENSOR INTERFERING WITH ITS OPERATION. NLM
TL*THE CONTACT OWNS A 1999 LEXUS LS400. THE CONTACT STATED THAT WHILE WORKING UNDER THE HOOD IT STARTED CLOSING CREATING A SAFETY HAZARD. THE VEHICLE WAS REPAIRED BY A LOCAL MECHANIC. TOYOTA WAS NOT CONTACTED. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000. THE CURRENT MILEAGE WAS 120,000.
RIGHT REAR TIRE HAD A BLOWOUT WHILE DRIVING AT 30 MPH ON A 1999, LEXUS LS400. ORIGINAL EQUIPMENT, TIRE SIZE P225/60R16, DOT# ELA6 CBC528. MANUFACTURER AND TIRE DEALER WERE NOTIFIED.*AK *YH
FIRESTONE TURANZA ORIGINAL EQUIPMENT ON A LEXUS LS400 1999. WHILE DRIVING 75MPH RIGHT REAR TIRE'S AIR WENT OUT. TREAD WAS STILL ON THE TIRE, BUT SIDEWALL WAS GONE. *AK THE TIRE IS DOT ELA6 (CBC 218) # 035629 MADE IN JAPAN. IT FAILED DUE TO POOR MATERIAL, POOR ADHESIVE AND WORKMANSHIP. *YH
OUR 1999LS400 LEXUS IS EXPERIENCING MALFUNCTIONS WITH THE ELECTRONICS IN THE DASH. THE ODOMETER AND THE SPEEDOMETER ARE WORKING INTERMITTENTLY. LEXUS WANTS 1200.00 TO PULL OUT DASH AND SEND AWAY TO REPAIR. I AM CONCERNED THIS IS A HUGE SAFETY ISSUE. I DON'T KNOW WHOSE REPLACING WHAT AND ARE THEY CERTIFIED LEXUS MECHANICS??? ARE THESE EARLY MODEL LS400'S HAVING ELECTRONICS PROBLEMS OR IS THIS JUST A SINGLE CASE? PLEASE LET ME KNOW. *TR
Showing the 15 most serious of 23 complaints filed with NHTSA.
