Hint:

How to proceed with troubleshooting
Terminals of ecuCheck mode procedure
Panel diagnosis (indicator check)
Turn the ignition switch to lock.
Turn the ignition switch on while simultaneously
pressing the a/c control auto switch and the rec/
frs switch.
Check that all indicators and the display area are
turned on and off 4 times in succession at 1 second ...
Cruise control switch circuit
Description
This circuit sends signals to the ecm depending on the cruise control switch
condition. The battery
supplies positive (+) battery voltage to the cruise control switch. Then
terminal ccs of the ecm receives
the voltage according to the switch condition.
Wiring diagram
Inspect ...
Front door courtesy switch
Components
Removal
Hint:
Use the same procedures for the rh and lh sides.
The procedures listed below are for the lh side.
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal t ...