Toyota Camry owners & service manuals

Toyota Camry: Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier

Toyota Camry Repair Manual XV70 (2018-2024) / Audio, Visual, Telematics / Audio / Video / Audio And Visual System / Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier

DESCRIPTION

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

WIRING DIAGRAM

PROCEDURE

1.

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

(a) Disconnect the K4 radio and display receiver assembly connector.

(b) Disconnect the K10 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

K4-3 (RL+) - K10-15 (II1+)

Always

Below 1 Ω

K4-8 (RL-) - K10-14 (II1-)

Always

Below 1 Ω

K10-18 (SLD1) - Body ground

Always

10 kΩ or higher

K4-3 (RL+) or K10-15 (II1+) - Body ground

Always

10 kΩ or higher

K4-8 (RL-) or K10-14 (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

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