Lexus ES: Check For Intermittent Problems
Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Hybrid / Battery Control / Hybrid Battery System (for Lithium-ion Battery) / Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
CHECK FOR INTERMITTENT PROBLEMS
(a) Perform a simulation test.
(1) For the simulation test, reproduce the driving conditions that were present when the problem occurred. These conditions should be based on the customer's comments and freeze frame data that is recorded with DTCs, such as the opening angle of the accelerator pedal, SOC (state of charge), engine coolant temperature, engine speed, and generator (MG1) / motor (MG2) rpm and torque.
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(b) Check the connector(s) and terminal(s).
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(c) Wiggle the harness and connector(s).
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(d) Heat or cool suspected parts.
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Utility
UTILITY NOTICE:
If the HV battery or an HV supply stack sub-assembly has been replaced, make sure to perform the following utilities in the following order: "Battery Status Info Update", "Prediagno
Problem Symptoms Table
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Terminals Of Ecu
TERMINALS OF ECU *1 Battery ECU assembly - - Terminal No. (Symbols) Wiring Color Input/Output Terminal Description Condition Specified Condition y16-1 (AM) - y16-27 (GND)
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the telematics system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, check that the problem symptoms h
Tire Pressure Warning Light Circuit
DESCRIPTION If the tire pressure warning ECU and receiver detects any problems, the tire pressure warning light blinks for 1 minute then illuminates, and tire pressure monitoring is disabled at the same time. At this time, the ECU stores a DTC in memory. The tire pressure warning ECU and receiver se
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