Lexus ES manuals

Lexus ES: Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System (for Gasoline Model) / Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier

DESCRIPTION

Using this circuit, the radio receiver assembly sends signals to the stereo component amplifier assembly.

WIRING DIAGRAM

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)

(a) Disconnect the G7 radio receiver assembly connector.

(b) Disconnect the G9 stereo component amplifier assembly connector.

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

Standard Resistance:

Tester connection

Condition

Specified condition

G7-3 (RL+) - G9-15 (II1+)

Always

Below 1 Ω

G7-8 (RL-) - G9-14 (II1-)

Always

Below 1 Ω

G9-18 (SLD1) - Body ground

Always

10 kΩ or higher

G7-3 (RL+) or G9-15 (II1+) - Body ground

Always

10 kΩ or higher

G7-8 (RL-) or G9-14 (II1-) - 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:

 Voice Guidance does not Function

CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Pre

 Voice is not Recognized

PROCEDURE 1. CHECK CONDITION (a) While paying attention to the condition of the spoken voice command, perform a voice recognition operation. OK: Voice command is recognized normally. HINT:

 Audio And Visual System (for Hv Model)

SEE MORE:

 Inspection

INSPECTION PROCEDURE 1. INSPECT REAR COMBINATION LIGHT LENS AND BODY LH (for TMC Made) *a Component without harness connected (Rear Combination Light Lens and Body LH) (a) Apply auxiliary battery voltage to the rear combination light lens and body LH and check that the lights illuminate. OK

 Installation

INSTALLATION PROCEDURE 1. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst) (a) Install a new gasket to the front exhaust pipe assembly (TWC: Rear Catalyst). (b) Connect the front exhaust pipe assembly (TWC: Rear Catalyst) to the 2 exhaust pipe supports. (c) Install the front exhaust pipe ass

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