Lexus ES: Problem Symptoms Table
Lexus ES (XZ10) Service Manual / Power Source & Network / A25a-fks (battery / Charging) / Charging System / 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 symptom 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 areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Charge warning is displayed | Battery | |
| Generator assembly | | |
| Charging system | | |
| Charging failure | Generator pulley with clutch | |
| Generator assembly | ||
| Noise occurs from V-ribbed belt or generator assembly | V-ribbed belt | |
| Generator pulley with clutch | ||
| Generator assembly |
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, confirm
System Diagram
SYSTEM DIAGRAM
Parts Location
PARTS LOCATION ILLUSTRATION *1 GENERATOR ASSEMBLY *2 ECM *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - - ILLUSTRATION *1 COMBINATION METER ASSEMBLY
SEE MORE:
(Extreme) Hybrid/EV Battery Stack 1 Cell Circuit Voltage Below Threshold (P33EC16,P33ED16)
DESCRIPTION If the voltage of an HV battery cell is lower than the threshold for a certain amount of time, the battery ECU assembly will interpret this as a malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P33EC16 (Extreme) Hybrid/EV Ba
Motor High-voltage Circuit
DESCRIPTION The cause of the malfunction may be the high-voltage circuit of the motor. Check the motor internal resistance and the connection condition of the high-voltage line between the inverter and motor to check whether there is an open or short circuit. Related Parts Check Area Inspection
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