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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PBD/PTL Closer Switch (B2251)
DESCRIPTION DTC B2251 is output if there is a malfunction in the half latch switch circuit of the luggage door closer assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B2251 PBD/PTL Closer Switch When luggage door is opening or closing, malfunction occurs in half
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL HOOD SUPPORT BRACKET (a) Engage the guide. (b) Install the hood support bracket with the bolt. Torque: 17.5 N·m {178 kgf·cm, 13 f
