LEXUS ENFORM System

CELLULAR COMMUNICATION: LEXUS ENFORM SYSTEM: DCM Data Signal Circuit between Navigation ECU and DCM
- DCM Data Signal Circuit between Navigation ECU and DCM

DESCRIPTION

This circuit is used to send and receive signals between the DCM (Telematics Transceiver) and navigation computer sub-assembly (navigation ECU).

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK NO. 1 NAVIGATION WIRE

(a) Disconnect the H133 DCM (telematics transceiver) connector.





(b) Disconnect the H132 navigation computer sub-assembly (navigation ECU) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- REPLACE NO. 1 NAVIGATION WIRE

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE LEXUS ENFORM System