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 |
Transmitter Battery(w/o Smart Key System)
Replacement
REPLACEMENT
PROCEDURE
1. REMOVE TRANSMITTER HOUSING COVER
(a) Using a precision screwdriver with its tip wrapped in protective
tape, pry open the transmitter housing cover.
NOTICE:
Do not forcibly pry the cover.
HINT:
...
Starter Signal Circuit
DESCRIPTION
1. w/o Smart Key System
While the engine is being cranked, current flows from terminal ST1 of the ignition
switch assembly to the park/neutral position switch assembly and also flows to terminal
STA of the ECM (STA Signal).
2. w/ Smart Key S ...
Registration
REGISTRATION
CAUTION / NOTICE / HINT
HINT:
Register a new recognition code when replacing the door control transmitter
or the door control receiver.
Add mode is used to retain the already registered codes while registering
a new recognit ...