Emission inspection and maintenance (I/M) programs
Do-it-yourself service precautionsPrecaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected:
System
See Procedure
...
Rear window defogger
Clear the rear window using the defogger.
On/off
The defogger will automatically turn off after 15 or 60 minutes.
This operation time changes according to the ambient temperature and vehicle
speed.
Pressing the switch again also turns the defogger off. ...
Random Access Memory (RAM) (P0604)
MONITOR DESCRIPTION
The ECM continuously monitors its internal memory status. This self-check ensures
that the ECM is functioning properly. It is diagnosed by internal "mirroring" of
the main CPU and sub CPU to detect Random Access Memory (RAM) ...