On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HORN RELAY
|
*a | Component without harness connected (HORN Relay) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
3 - 5 | Auxiliary battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
|
3 - 5 | Auxiliary battery voltage applied between terminals 1 and 2 |
Below 1 Ω |
If the result is not as specified, replace the HORN relay.
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Audio And Visual System(for Gasoline Model): AV Signal Stoppage (Low Battery Voltage) (B158F). Lost Communication with Meter (B1324). HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B7,B15BA,B15F9)
AV Signal Stoppage (Low Battery Voltage) (B158F) DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio and display receiver assembly dropping temporarily. DTC No. Detection Item DTC Detection Condition Trouble Area B158F AV Signal Stoppa ...
