Coolant
RemovalCatalyst system efficiency below threshold (bank 1)
Monitor description
The ecm uses sensors mounted in front of and behind the three-way catalytic
converter (twc) to
monitor its efficiency.
The first sensor, the air-fuel ratio (a/f) sensor, sends pre-catalyst
information to the ecm. The second
sensor, the heated oxygen (ho2) sensor, se ...
Room temperature sensor (for automatic ai conditioning system)
Components
Removal
Remove lower instrument panel
Remove the lower instrument panel (see page ip-
16).
Remove room temperature sensor
Disconnect the duct.
Disconnect the connector.
Detach the claws and remove the sensor.
Inspection
Inspect room temperature ...
Sleep operation failure of occupant classification ecu
Description
During sleep mode, the occupant classification ecu reads the condition of
each sensor while the ignition
switch is off.
In this mode, if the occupant classification ecu detects an internal
malfunction, dtc b1796 is output.
Inspection procedure
Check for dtc
T ...