Lexus ES: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
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If the battery voltage becomes low, 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 BATTERY VOLTAGE (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace th
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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INSPECTION PROCEDURE 1. INSPECT PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (a) Using a dial indicator, measure the runout of the rear propeller shaft assembly (for front side). Maximum Runout: 0.6 mm (0.0236 in.) NOTICE: The dial indicator must be set at a right angle to the center of the rear
INSTALLATION PROCEDURE 1. INSTALL TRANSMISSION FLOOR SHIFT ASSEMBLY (a) Engage the clamp to connect the wire harness to the transmission floor shift assembly. (b) Connect the shift lock control ECU connector. (c) Engage the clamp to connect the wire harness to the transmission floor shift assembly.
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