Hint:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.


Air-fuel ratio (a/f) and heated oxygen (ho2) sensor
heater monitors (front a/f and rear ho2 sensor type)
Terminals of ecmDisassembly
Remove no. 3 Heater to register duct
Detach the 6 claws and remove the heater to
register duct.
Remove air duct
Detach the 2 claws and remove the air duct.
Remove air outlet control servo motor
Remove the 3 screws.
Detach the evaporator case from the ...
Brk relay
On-vehicle inspection
Inspect brk relay
Remove the brk relay from the engine room no. 1
Relay block.
Measure the resistance of the relay.
Standard resistance
If the result is not as specified, replace the relay. ...
Reassembly
Caution:
Wear protective gloves. Sharp areas on the seat frame
(with adjuster) may injure your hands.
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Install occupant classification ecu (for
driver side) (see page rs-394)
...