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 |
Malfunction in inner rear view mirror assembly |
Inner rear view mirror assembly |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this symptom.
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Clear the DTCs (See page
).
(b) Check for DTCs (See page
).
OK:
DTC B124A is not output.
| OK | |
USE SIMULATION METHOD TO CHECK |
| NG | |
REPLACE INNER REAR VIEW MIRROR ASSEMBLY |
Lost Communication with ECM (U0101,U0073,U0126,U0129,U0142,U0182,U1000)
Automatic High Beam System (B124B)Installation
INSTALLATION
PROCEDURE
1. INSTALL HOOD LOCK CONTROL CABLE ASSEMBLY
(a) Pass the hood lock control cable assembly into the engine compartment.
(b) Pass the cable through the upper radiator support.
(c) Engage the each clamp shown in the illustration.
2. I ...
Lost Communication with "Door Control Module B" (U0200)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
U0200
No communication from the outer mirror control ECU assembly (for driver
side).
Outer mirror control ECU assem ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Main body ECU (Driver side junction block assembly)
Sliding roof ECU (Sliding roof drive gear sub-assembly)
Key ...