Components
COMPONENTS
ILLUSTRATION
|
*1 | HAZARD WARNING SWITCH ASSEMBLY (RADIO AND DISPLAY RECEIVER ASSEMBLY) |
- | - |
Inspection
INSPECTION
PROCEDURE
1. INSPECT HAZARD WARNING SWITCH ASSEMBLY (RADIO AND DISPLAY RECEIVER ASSEMBLY)
|
*a | Component without harness connected (Hazard Warning Switch Assembly (Radio and Display Receiver Assembly)) |
(a) Check the switch.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
7 (TB) - 6 (GND) | Hazard warning switch off |
10 kΩ or higher |
|
Hazard warning switch on |
Below 1 Ω |
If the result is not as specified, replace the hazard warning switch assembly (radio and display receiver assembly).
(b) Inspect the switch illumination.
(1) Apply auxiliary battery voltage to the hazard warning switch assembly (radio and display receiver assembly) and check that the switch illuminates.
OK:
|
Measurement Condition | Specified Condition |
|---|---|
|
Auxiliary battery positive (+) → Terminal 11 (ILL+) Auxiliary battery negative (-) → Terminal 15 (ILL-) |
Illuminates |
If the result is not as specified, replace the hazard warning switch assembly (radio and display receiver assembly).
Installation
INSTALLATION
PROCEDURE
1. INSTALL HAZARD WARNING SWITCH ASSEMBLY (RADIO AND DISPLAY RECEIVER ASSEMBLY)
Click here
Removal
REMOVAL
PROCEDURE
1. REMOVE HAZARD WARNING SWITCH ASSEMBLY (RADIO AND DISPLAY RECEIVER ASSEMBLY)
Click here
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Navigation System(for Gasoline Model): Steering Pad Switch Circuit. System Description. System Diagram
Steering Pad Switch Circuit DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio and display receiver assembly. If there is an open in the circuit, the audio system cannot be operated using the steering pad switch assembly. If there is a short in the ...