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 system by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected area below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Only manual switch does not operate | Tilt and telescopic manual switch circuit | |
| Only auto away/return function does not operate | Check customize status of auto away/return function using the Techstream | |
| IG power source circuit | | |
| Only auto away function does not operate | Smart access system with push-button start (for Start Function, HV Model) | |
| Multiplex tilt and telescopic ECU | | |
| Only auto return function does not operate | Smart access system with push-button start (for Start Function, HV Model) | |
| Multiplex tilt and telescopic ECU | | |
| Only microcomputer preset memory/recall function does not operate with the set switch operation | Front power seat control system (for HV Model with Memory) | |
| Seat memory switch | | |
| Position control ECU assembly (Driver Seat) (for TMC Made) | | |
| Position control ECU assembly (Driver Seat) (for TMMK Made) | | |
| Multiplex tilt and telescopic ECU | |
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Terminals Of Ecu
TERMINALS OF ECU MULTIPLEX TILT AND TELESCOPIC ECU *a Component with harness connected (Multiplex Tilt and Telescopic ECU) - - (a) Measure the voltage and resistance according to the valu
Terminals Of Ecu
TERMINALS OF ECU MULTIPLEX TILT AND TELESCOPIC ECU *a Component with harness connected (Multiplex Tilt and Telescopic ECU) - - (a) Measure the voltage and resistance according to the valu
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with the diagnostic system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and
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Intermediate Shaft Speed Sensor "A" Circuit Short to Battery (P079112,P079114,P079131)
DESCRIPTION The transmission revolution sensor (NC) detects the rotation speed of the counter gear which shows the output shaft speed of automatic transaxle assembly. Based on the transmission revolution sensor (NC) signal and the transmission revolution sensor (NT) signal, the ECM controls engine t
Components
COMPONENTS ILLUSTRATION *A w/ Power Trunk Lid System - - *1 LUGGAGE COMPARTMENT DOOR ASSIST GRIP *2 LUGGAGE COMPARTMENT DOOR COVER *3 LUGGAGE LOCK CONTROL CABLE PLATE *4 SWITCH BEZEL ILLUSTRATION *1 LUGGAGE COMPARTMENT DOOR HINGE COVER LH *2 LUGGAGE COMPART
