Lexus ES manuals

Lexus ES: Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System (for Gasoline Model) / Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

DESCRIPTION

This circuit includes the navigation ECU and radio receiver assembly.

WIRING DIAGRAM

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU)

(a) Disconnect the G1 radio receiver assembly connector.

(b) Disconnect the G14 navigation ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G1-28 (REV2) - G14-19 (REV2)

Always

Below 1 Ω

G1-28 (REV2) or G14-19 (REV2) - Body ground

Always

10 kΩ or higher

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

READ NEXT:

 Route cannot be Calculated

PROCEDURE 1. SET DESTINATION (a) Set another destination and check if the system can calculate the route correctly. OK: Route can be correctly calculated. OK END NG PROCEED T

 Satellite Radio Broadcast cannot be Received

CAUTION / NOTICE / HINT NOTICE: Some satellite radio broadcasts require payment. A contract must be made between a satellite radio company and the user. If the contract expires, it will not be possibl

 Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory

CAUTION / NOTICE / HINT NOTICE: Some satellite radio broadcasts require payment. A contract must be made between a satellite radio company and the user. If the contract expires, it will not be possibl

SEE MORE:

 Utility

UTILITY NOTICE: If the forward recognition camera has been replaced with a new one or the windshield glass has been removed and installed, it is necessary to perform forward recognition camera adjustment. HINT: Forward recognition camera adjustment can be performed by using either One Time Recogn

 Parts Location

PARTS LOCATION ILLUSTRATION *1 TRUNK AND FUEL SWITCH ASSEMBLY *2 LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY *3 DLC3 *4 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *5 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - DOOR BACK RELAY - TRUNK OPN FUSE *6 CERTIFICATION ECU (SMART

© 2016-2023 Copyright www.lexguide.net