Removal and installation
PrecautionP0603 ECM
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0603
ECM BACK UP CIRCUIT
[Internal control module keep
alive memory (KAM) error]
Malfunction in the internal back up RAM o ...
Steering wheel switch for audio control (if so equipped)
Tuning switch
Power on and SOURCE select switch
Volume control button
The audio system can be operated using the
controls on the steering wheel.
POWER on switch
With the ignition switch in the ACC or ON position,
push the SOURCE switch to turn the audio
system on.
SOURCE select s ...
Precaution for Seat Belt Service
CAUTION:
Before removing the seat belt pre-tensioner assembly, turn the
ignition switch OFF, disconnect both
battery terminals and wait at least three minutes. For approximately three
minutes after the battery
terminals have been removed, it is still possible for the air bag and seat
...