DTC B2780 Push Switch / Key Unlock Warning Switch Malfunction
DESCRIPTION
This DTC will be output if the transponder key ECU does not detect that the unlock warning switch is on even when the ignition switch is on (Under the normal conditions, the unlock warning switch is on when the ignition switch is on).
DTC No. |
DTC Detection Condition |
Trouble Area |
B2780 |
Unlock warning switch on is not detected when ignition switch is on |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Transponder key ECU:
OK: ON (Key is in ignition key cylinder) appears on the screen
2 INSPECT UNLOCK WARNING SWITCH ASSEMBLY
Resistance
3 CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU ASSEMBLY - UNLOCK WARNING SW ASSEMBLY)
Resistance
4 CHECK HARNESS AND CONNECTOR (UNLOCK WARNING SW ASSEMBLY - BODY GROUND)
Resistance
REPLACE TRANSPONDER KEY ECU ASSEMBLY
Reassembly
1. INSTALL PARKING BRAKE SWITCH ASSEMBLY
(a) Install the parking brake switch to the parking brake
pedal with the screw.
2. INSTALL PARKING BRAKE CABLE ASSEMBLY NO.1
(a) Connect the parking brake cable No. 1 to the
parking brake cable equalizer.
(b) Install the parking brake cable No. 1 with ...
Power steering
Sst
Recommended tools
EQUIPMENT
LUBRICANT
SSM
...
Disassembly
1. REMOVE REAR SEAT LEG COVER LH
Remove the 2 screws and seat leg cover.
2. REMOVE REAR SEAT LEG COVER RH
Remove the 2 screws and seat leg cover.
3. REMOVE REAR SEAT LEG SIDE COVER LH
Remove the 2 screws and leg side cover.
4. REMOVE LH SEAT REAR SEAT LOCK COVE ...