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)Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL SHIFT SOLENOID VALVE SL4
(a) Coat the shift solenoid valve SL4 and bolt with ATF.
Text in Illustration
*1
Lock Plate
*2
Solenoid V ...
Air Fuel Ratio Sensor
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
2. REMOVE COOL AIR INTAKE DUCT SEAL
3. REMOVE INLET AIR CLEANER ASSEMBLY
4. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
5. REMOV ...
Theft Deterrent System Presence Detection (B279C)
DESCRIPTION
If an ECM that is incompatible with the engine immobiliser system is installed,
the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
B279C
When an ECM that is incompa ...