DTC B2784 Antenna Coil Open / Short
DESCRIPTION
The transponder key coil is built into the transponder key amplifier and receives a key code signal from the transponder chip in the key. This signal is amplified by the amplifier, and output to the transponder key ECU.
DTC No. |
DTC Detection Condition |
Trouble Area |
B2784 |
Antenna coil open/short |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Transponder key ECU:
OK: NORMAL (Antenna coil is normal) appears on the screen.
2 CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU ASSEMBLY -TRANSPONDER KEY AMPLIFIER)
Resistance
3 INSPECT TRANSPONDER KEY ECU ASSEMBLY
Voltage
Resistance
REPLACE TRANSPONDER KEY AMPLIFIER
Communication Error from VSC to ECM
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Control Module
DESCRIPTION
The skid control ECU sends signals such as cruise control cancel demand
signals and brake operation
demand (from ECM) response signals to the ECM when the dynamic laser ...
Disposal
HINT:
On the RH side, use the same procedures as on the LH side.
1. DISPOSE OF BACK DOOR STAY SUB-ASSEMBLY LH
Horizontally fix the stay in a vise with the piston-rod
pulled out.
Wearing safety glasses, gradually cut a part
between A and B as shown in the illustration using a
metal ...
Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting the cable to
prevent the airbag working.
3. REMOVE FRONT SEAT ASSEMBLY (for Manual Seat)
4. REMOVE ...