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 Hv 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:

 System Description

SYSTEM DESCRIPTION DESCRIPTION LEXUS ENFORM allows the vehicle to receive information from the call center and links the information to the audio and visual system*1 or navigation system*2. LEXUS ENFORM permits the driver to use the received information, such as destination information, on the au

 Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during brake booster with master cylinder assembly removal/installation are shown below. Necessary Procedures Aft

© 2016-2025 Copyright www.lexguide.net