Vehicle specificationsAutomatic High Beam Mirror (B124A)
DESCRIPTION
The DTC is stored when the main body ECU (driver side junction block assembly)
detects malfunctions in the inner rear view mirror assembly.
DTC No.
DTC Detection Condition
Trouble Area
B124A
...
Starting the engine
Shift the shift lever to “P” and
apply the brakes.
Touch the Toyota emblem side of the electronic key to the “ENGINE START STOP”
switch.
An alarm will sound to indicate that the start function cannot detect the electronic
key that is touched ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL MULTIPLEX NETWORK DOOR ECU
(a) Connect the connector and install the multiplex network door ECU.
(b) Install the flat cable connector as shown in the illus ...