Lexus ES: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
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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.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Front Radar Sensor System
| Symptom | Suspected Area | Link |
| "Pre-Collision System Unavailable Clean Sensor" is displayed | Vehicle Control History | |
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TERMINALS OF ECU NOTICE:
Turning the engine switch on (IG) with connectors disconnected may cause DTCs to be stored. Make sure to clear the DTCs after inspection has been performed.
Do not apply
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical > Front Radar Sens
FREEZE FRAME DATA DESCRIPTION (a) Whenever a front radar sensor system DTC is stored, the millimeter wave radar sensor assembly stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FRAM
SEE MORE:
INSTALLATION PROCEDURE 1. INSTALL LOWER RADIATOR SUPPORT (a) Install the 2 lower radiator supports to the radiator assembly. 2. INSTALL RADIATOR SUPPORT CUSHION (a) Install the 2 radiator support cushions to the radiator assembly. 3. INSTALL RADIATOR ASSEMBLY (a) Engage the 2 guides. (b) Engage the
INSTALLATION
PROCEDURE
1. INSTALL NO. 1 HV BATTERY INTAKE FILTER
(a) Engage the 2 claws to temporarily install the No. 1 HV battery intake filter
to the battery service hole cover.
(b) Engage the 3 claws to install the No. 1 HV battery intake filter to the battery
service hole cover.
2. INS
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