Lexus ES: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Transfer System| Symptom | Suspected Area | Link |
|---|---|---|
| Noise in transfer | Oil (level low) | |
| Backlash improperly adjusted | | |
| Preload improperly adjusted | | |
| Tooth contact improperly adjusted | | |
| Front transfer driven pinion bearing (wear) | | |
| Ring gear mounting case bearing (wear) | | |
| Oil leak from transfer | Oil (level too high) | |
| Gasket (damaged) | | |
| Transfer case oil seal (worn or damaged) | | |
| Transfer case oil seal RH (worn or damaged) | | |
| O-ring (worn or damaged) | | |
| Front drive shaft oil seal RH (worn or damaged) | |
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Components
COMPONENTS ILLUSTRATION *1 DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) *2 INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY
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Terminals Of Ecu
TERMINALS OF ECU CHECK WINDSHIELD WIPER MOTOR ASSEMBLY (a) Disconnect the A38 windshield wiper motor assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Descrip
Precaution
PRECAUTION NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the terminal is reconnected. System Name See Procedure Lane Control System Pre-collision System Intelligent Clearance Sonar System Parking Assist
