Description
When a key is inserted into the ignition key cylinder but no communication occurs between the key and transponder key ecu, dtc b2796 is output. When a key is inserted into the ignition key cylinder but a communication error occurs between the key and transponder key ecu, dtc b2798 is output.
Wiring diagram
Inspection procedure
Ok: unset (key is in ignition key cylinder) appears on the screen.
Ok: engine starts.
Ok: normal (transponder key coil is normal) appears on the screen.
Standard resistance
Ok: engine starts normally.
End (transponder key amplifier is defective)
Disassembly
Remove magnetic switch assembly
Remove the nut and disconnect the lead wire from
the magnetic switch.
Remove the 2 screws holding the magnetic switch
to the starter drive housing.
Remove the magnetic switch.
Remove the return spring and plunger from the
starter drive hou ...
Removal
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and ...
Ig power source circuit
Description
This is the main power source supplied to the air conditioning amplifier when
the ignition switch is on
(ig). This power source is used for operating components, such as the air
conditioning amplifier and
servo motors.
Wiring diagram
Inspection procedure
Inspect fuse (ec ...