Lexus ES manuals

Lexus ES: Hybrid Battery System (for Lithium-ion Battery)

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Hybrid / Battery Control / Hybrid Battery System (for Lithium-ion Battery)

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 Definition Of Terms

DEFINITION OF TERMS Term Definition Monitor Description Description of what the battery ECU assembly monitors and how to detects malfunctions (monitoring purpose and its details). Relat

 Parts Location

PARTS LOCATION ILLUSTRATION *1 HYBRID VEHICLE CONTROL ECU *2 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-B NO. 1 FUSE *3 NO. 4 RELAY BLOCK - IGCT NO. 2 FUSE - PM-IGCT FUSE - BATT FA

 System Diagram

SYSTEM DIAGRAM

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 Inspection

INSPECTION PROCEDURE 1. INSPECT NO. 1 HV BATTERY INTAKE FILTER HINT: If the vehicle is used in an area with heavy traffic or excessive dust, or if the rear seat is used frequently, the No. 1 HV battery intake filter may be clogged. Clean or replace the No. 1 HV battery intake fil

 Open in Bus 3 Main Bus Line

DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 6 (CA3H) and 21 (CA3L) of the central

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