Lexus ES manuals

Lexus ES: Lin Communication System (for Hv Model)

Lexus ES (XZ10) Service Manual / Power Source & Network / Networking / Lin Communication System (for Hv Model)

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 Lost Communication with Power Source Control (B278C)

DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B27

 No Response from ID BOX (B2789)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) stops for 10 seconds or more. DTC No. Detection

 No Response from Steering Lock ECU (B2786)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and steering lock ECU (steering lock actuator or upper bracket assembly) stops for 10 secon

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 Inspection

INSPECTION PROCEDURE 1. INSPECT LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Switch Condition Specified Condition 2 (B) - 1 (L) Switch on Below

 Parts Location

PARTS LOCATION ILLUSTRATION *1 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - DCM FUSE - ECU-IG2 NO. 3 FUSE *2 DLC3 *3 AIRBAG ECU ASSEMBLY *4 DCM (TELEMATICS TRANSCEIVER) - MOBILEPHONE BATTERY ILLUSTRATION *1 FRONT NO. 2 SPEAKER ASSEMBLY (RH) *2 TELEPHONE MICROPHONE ASSE

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