Vehicle information
PrecautionsP0139 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time
between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen
storage capacity of the three way catalyst 1 causes the longer
switching time. To judge the malfunctions of heated oxygen sensor
2, ...
Rear seat
Exploded View
Rear seatback assembly (RH)
Seatback striker
Seatback latch release knob
Seatback latch assembly
Seatback silencer (RH)
Rear seatback frame (RH)
Seatback latch release knob finisher
Rear seat bolster trim (RH)
Rear seat bolster pad (RH)
Rear seat bolster (RH)
...
Ecm branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ECM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
Yes > ...