Toyota Camry (XV70): 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 | .gif) | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
.gif)
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION
w/o Manual (SOS) Switch:
The radio and display receiver assembly, roof console box sub-assembly and telephone microphone assembly are connected to each other using the microphone co
Radio Receiver Power Source Circuit
DESCRIPTION This is the power source circuit to operate the radio and display receiver assembly. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE: Inspect the fuses for circuits related to this syst
SEE MORE:
Fail-safe Chart
FAIL-SAFE CHART Description The fail-safe function minimizes the loss of operation when a malfunction occurs in a sensor or solenoid.
Fail-safe (a) Fail-safe control list:
Malfunctioning Part Function
Transmission Revolution Sensor (NT)
Lock up clutch control is prohibit
Center Airbag Sensor Communication Stop Mode
DESCRIPTION
Detection Item Symptom
Trouble Area Center Airbag Sensor Communication Stop Mode
Any of the following conditions are met:
Communication stop for "Airbag" is indicated on the "Communication Bus Check" screen of the Techstream.
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