Lexus ES manuals

Lexus ES: Red Indicator Remains On

DESCRIPTION

This means that the DCM (telematics transceiver) has detected a malfunction in the safety connect system and stored a DTC or specific vehicle control history (RoB) Code.

PROCEDURE

1.

CHECK DTC

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG) and wait for 10 seconds or more.

(d) Turn the Techstream on.

(e) Clear the DTCs.

Body Electrical > Telematics > Clear DTCs

(f) Check for DTCs and check that no DTCs are output.

Body Electrical > Telematics > Trouble Codes

OK:

No DTCs are output.

NG

GO TO DIAGNOSTIC TROUBLE CODE CHART

OK

2.

CHECK VEHICLE OPERATION HISTORY

(a) Check for vehicle control history and note any codes that are output.

Click here

Result

Proceed to

No vehicle control history is output

A

Any vehicle control history is output

B

B

GO TO VEHICLE CONTROL HISTORY

A

3.

REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (telematics transceiver) with a new one.

Click here

NOTICE:

  • The engine switch must be off.
  • Do not exchange the DCM (telematics transceiver) with one from another vehicle.
NEXT

PERFORM DCM ACTIVATION

READ NEXT:

 System Description

SYSTEM DESCRIPTION DESCRIPTION (a) Safety Connect performs ACN (Automatic Collision Notification), manual emergency calling, stolen vehicle tracking and roadside assistance service by, audio and data

 System Diagram

SYSTEM DIAGRAM

 Terminals Of Ecu

TERMINALS OF ECU Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G128-1 (+B) - G128-20 (E) BR - W-B Power source (+B) Always 11 to 14 V

SEE MORE:

 Transmission (Shaft) Mechanical Linkage Failure (P314779)

DTC SUMMARY Refer to the DTC summary for DTC P1C7779. Click here DESCRIPTION Refer to the description for DTC P1C7779. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P314779 Transmission (Shaft) Mechanical Linkage Failure Drive fo

 Removal

REMOVAL CAUTION / NOTICE / HINT HINT: for Side: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE (for Side) Click here 2. REMOVE COWL SIDE TRIM BOARD (for Side) Click here 3. REMOVE FRONT DOOR OPENI

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