Car Troubleshooting Toyota Highlander 1 (XU20)

Troubleshooting Engine
1. The engine does not turn when trying to start 1. Loosening or damage to the connection of the battery terminals due to corrosion ( chapter 1 ). 2. The battery is discharged or faulty ( chapter 1 ) 3. The P position...

Engine electrical system
19. The battery does not hold a charge 1. Faulty or incorrectly adjusted alternator drive belt ( chapter 1 ). 2. Low electrolyte level in the battery ( chapter 1 ). 3. Loosening or damage to the connection of the...

Fuel system
22. Increased fuel consumption 1. Contamination or blockage of the air filter element ( chapter 1 ). 2. Malfunction in the engine management system ( chapter 6 ). 3. Incorrect operation of emission reduction systems (...

Cooling system
24. Overheating 1. Insufficient coolant level in the system ( chapter 1 ). 2. Coolant pump malfunction ( chapter 3 ). 3. Clogged radiator or clogged grille ( chapter 3 ). 4. Thermostat malfunction ( chapter 3 ). 5....

Automatic transmission in block with driving axle
Application. Due to the complexity of the automatic transmission, it is difficult for a motorist to correctly determine the causes of malfunctions and perform maintenance. If any malfunctions occur, except for those...

Drive shaft faults
36. Clicking, knocking when turning corners 1. Wear or damage to the outer constant velocity joint ( chapter 8 ). 37. Vibration when accelerating or decelerating 1. Increased toe-in ( chapter 10 ). 2. Wear or damage to...

Brake system
Application: Before deciding that the cause of the malfunction is related to the brake system, make sure that: a) the tires are in good condition and sufficiently inflated ( chapter 1 ), b) the front wheel alignment...

Steering and suspension
Note: Before attempting to troubleshoot suspension or steering problems, make sure that: a) the tires are not unevenly worn and are sufficiently inflated ( chapter 1 ), b) the steering cardan joints in the section from...

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