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:

 Fail-safe Chart

FAIL-SAFE CHART PROTECTION FUNCTION (a) The windshield wiper motor assembly operates the following protection functions if it detects an abnormal condition, in order to protect the wiper and washer system. Item Protection Content Conditions to Return to Normal Condition Overheat protectio

 Installation

INSTALLATION CAUTION / NOTICE / HINT NOTICE: When replacing the windshield glass of a vehicle equipped with a forward recognition camera, make sure to use a Lexus genuine part. If a non-Lexus genuine part is used, the forward recognition camera may not be able to be installed due to a missing bracke

© 2016-2025 Copyright www.lexguide.net