Front occupant classification sensor rh circuit malfunction
Description
The front occupant classification sensor rh circuit consists of the occupant
classification ecu and the
front occupant classification sensor rh.
Dtc b1781 is recorded when a malfunction is detected in the front occupant
classification sensor rh
circuit.
Wiring diagram
...
Solar sensor (for automatic air conditioning system)
Components
Removal
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 seat belt pretensioner activation.
Remove solar sensor
Using a screwdriver, p ...
Terminals of ecm
Hint:
The standard normal voltage between each pair of ecm
terminals is shown in the table below. The appropriate
conditions for checking each pair of terminals are also
indicated. The result of checks should be compared with the
standard normal voltage for that pair of terminals, displayed ...