Notice:
In order to prevent the key from being actually locked-in, the inspection should be made with the driver side door window open.
How to proceed with troubleshooting
Customize parametersOpen in one side of can branch line
Description
If 2 or more ecus and/or sensors do not appear on the intelligent tester's
"bus check" screen via the
can vim, one side of the can branch wire may be open. (One side of the canh
[branch wire] /canl
[branch wire] of the ecu and/or sensor is open.)
Wiring diagram
...
Terminals of ecu
Check combination meter assembly
Disconnect the e19 meter connector.
Measure the voltage and resistance of the wire
harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
Check heater control panel (for automat ...
Catalyst 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 ...