Lexus ES: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
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If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the windshield deicer system may not operate.
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.
Windshield Deicer System
Symptom | Suspected Area | Link |
Windshield deicer does not operate | Refer to the "Windshield Deicer does not Operate". | |
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TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY *A w/o Seat Heater *B w/ Seat Heater (a) Disconnect the G39 air conditioning amplifier assembly connector. (b) Measure the volta
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the power switch off. Standard Voltage: 11 to 14 V If the
DATA LIST / ACTIVE TEST ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive func
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DTC CHECK / CLEAR CHECK FOR DTCS (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / HV battery / Trouble Codes. Powertrain > HV Battery > Trouble Codes (e) Check the DTCs and freeze frame data, and
DESCRIPTION Refer to DTC P052477. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P06DA13 Engine Oil Pressure Control Circuit Open Open or short in oil pressure control valve assembly circuit (1 trip detection logic).
Open or sho
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