Lexus ES manuals

Lexus ES: Acn Call End



This function terminates the ACN (Automatic Collision Notification) to the telematics provider. After a collision in which the DCM receives "Collision Detection Signal", the vehicle will send the emergency call notification to the telematics provider until the emergency call cancellation utility has been run, or the mobilephone battery (if equipped) is depleted. Use the emergency call cancellation utility to stop the ACN call.


The mobilephone battery must not be replaced while an ACN call is in progress.

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Choose "Telematics" from the System Selection Menu, and then click "Utility".

(e) Click "Emergency Call Cancellation " on the Utility Selection Menu.

Body Electrical > Telematics > Utility

Tester Display

Emergency Call Cancellation

(f) Follow the instructions on the Techstream.


 DCM System Internal Failure (B15A804)

DESCRIPTION This DTC is stored when an internal circuit malfunction is detected by the DCM (telematics transceiver) self check. DTC No. Detection Item DTC Detection Condition Trouble Area

 GNSS Antenna Circuit Short to Ground (B15C111,B15C113)

DESCRIPTION These DTCs are stored when a malfunction occurs in the telephone and GPS antenna assembly (for Roof Side) circuit. DTC No. Detection Item DTC Detection Condition Trouble Area

 Airbag Signal Signal Plausibility Failure (B15C464)

DESCRIPTION If the DCM (telematics transceiver) detects an error in communication between the DCM (telematics transceiver) and the airbag ECU assembly as a result of the DCM (telematics transceiver) s


 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.*1

 Checking Monitor Status

CHECKING MONITOR STATUS The purpose of the monitor result (mode 06) is to allow access to the results of on-board diagnostic monitoring tests of specific components/systems that are not continuously monitored. Examples are catalysts and evaporative emissions (EVAP) systems. The monitor result allows

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