DESCRIPTION
The antenna coil receives key code signals from the transponder chip in the key grip. The coil is built into the transponder key amplifier, which amplifies the key code signals and outputs the signals to the transponder key ECU assembly.
This DTC is stored when there is an open or short in the antenna coil.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B2784 |
The antenna coil is open/shorted. |
Transponder key amplifier |
PROCEDURE
|
1. |
CLEAR DTC |
(a) Clear the DTCs (See page
).
|
|
2. |
CHECK FOR DTC |
(a) Check for DTCs (See page
).
OK:
DTC B2784 is not output.
| OK | |
USE SIMULATION METHOD TO CHECK |
| NG | |
REPLACE TRANSPONDER KEY AMPLIFIER |
Diagnostic Trouble Code Chart
Transponder Chip Malfunction (B2793-B2795)Diagnosis System
DIAGNOSIS SYSTEM
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